diff --git a/.gitattributes b/.gitattributes
index a715dc4f643da3a06ccf4a3aa15256e4c6d97109..e86aa3a4c7cb84f592de0181e24cce9215a39c98 100644
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diff --git a/README.md b/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..c37adc7a9c745987805cf7701b8b014938627c1f
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+++ b/README.md
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+# Technical Documents: Shafts Process (v1, PNG)
+
+- ~1000 image→text pairs (stepped shafts → machining process)
+- Fixed 10–11 step template; right-side Z=0; tailstock rule (L/D>3 or total length > 190 mm)
+- Images converted from SVG to PNG (width 1400px)
+
+## Structure
+- images/
+- annotations/train|val|test.jsonl
+
+## Example
+```json
+{
+  "id": "Shaft_00668",
+  "image": "images/Shaft_00668.png",
+  "conversations": [
+    {
+      "from": "user",
+      "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."
+    },
+    {
+      "from": "assistant",
+      "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.4 mm and length at least 70.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.4 mm over length 14.4 mm (from Z=0.0 to Z=14.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 51.1 mm (from Z=0.0 to Z=51.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."
+    }
+  ]
+}
+```
diff --git a/annotations/test.jsonl b/annotations/test.jsonl
new file mode 100644
index 0000000000000000000000000000000000000000..35023df4819d70a910513db5e095fb47a9fbc377
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+++ b/annotations/test.jsonl
@@ -0,0 +1,50 @@
+{"id": "Shaft_00428", "image": "images/Shaft_00428.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø35.9 mm and length at least 265.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.9 mm over length 101.3 mm (from Z=0.0 to Z=101.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 158.9 mm (from Z=0.0 to Z=158.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00965", "image": "images/Shaft_00965.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.6 mm and length at least 276.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.6 mm over length 85.0 mm (from Z=0.0 to Z=85.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 186.9 mm (from Z=0.0 to Z=186.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00018", "image": "images/Shaft_00018.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø78.9 mm and length at least 76.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.9 mm over length 24.2 mm (from Z=0.0 to Z=24.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø66.0 mm over length 37.0 mm (from Z=0.0 to Z=47.0).\n9. Finish turn diameter Ø58.1 mm over length 10.0 mm (from Z=0.0 to Z=10.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00189", "image": "images/Shaft_00189.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 286.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 227.8 mm (from Z=0.0 to Z=227.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø28.9 mm over length 53.4 mm (from Z=0.0 to Z=53.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00414", "image": "images/Shaft_00414.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø64.3 mm and length at least 88.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.3 mm over length 29.6 mm (from Z=0.0 to Z=29.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.3 mm over length 24.3 mm (from Z=0.0 to Z=54.1).\n9. Finish turn diameter Ø34.2 mm over length 19.0 mm (from Z=0.0 to Z=29.8).\n10. Finish turn diameter Ø30.0 mm over length 10.8 mm (from Z=0.0 to Z=10.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00589", "image": "images/Shaft_00589.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø59.4 mm and length at least 92.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.4 mm over length 6.4 mm (from Z=0.0 to Z=6.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø38.1 mm over length 14.4 mm (from Z=0.0 to Z=80.6).\n9. Finish turn diameter Ø34.9 mm over length 9.1 mm (from Z=0.0 to Z=66.2).\n10. Finish turn diameter Ø30.0 mm over length 57.1 mm (from Z=0.0 to Z=57.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00666", "image": "images/Shaft_00666.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø66.3 mm and length at least 272.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.3 mm over length 84.4 mm (from Z=0.0 to Z=84.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.1 mm over length 16.9 mm (from Z=0.0 to Z=183.2).\n10. Finish turn diameter Ø48.0 mm over length 18.0 mm (from Z=0.0 to Z=166.3).\n11. Finish turn diameter Ø34.0 mm over length 42.5 mm (from Z=0.0 to Z=148.3).\n12. Finish turn diameter Ø30.0 mm over length 105.8 mm (from Z=0.0 to Z=105.8).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00763", "image": "images/Shaft_00763.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø72.0 mm and length at least 175.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.0 mm over length 37.6 mm (from Z=0.0 to Z=37.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.1 mm over length 34.8 mm (from Z=0.0 to Z=132.9).\n9. Finish turn diameter Ø40.3 mm over length 22.5 mm (from Z=0.0 to Z=98.1).\n10. Finish turn diameter Ø30.0 mm over length 75.6 mm (from Z=0.0 to Z=75.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00221", "image": "images/Shaft_00221.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø70.2 mm and length at least 291.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.2 mm over length 41.1 mm (from Z=0.0 to Z=41.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.1 mm over length 17.2 mm (from Z=0.0 to Z=245.2).\n10. Finish turn diameter Ø36.5 mm over length 77.6 mm (from Z=0.0 to Z=228.0).\n11. Finish turn diameter Ø30.0 mm over length 150.4 mm (from Z=0.0 to Z=150.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00586", "image": "images/Shaft_00586.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 230.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 178.1 mm (from Z=0.0 to Z=178.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.1 mm over length 46.9 mm (from Z=0.0 to Z=46.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00581", "image": "images/Shaft_00581.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø49.7 mm and length at least 301.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.7 mm over length 92.5 mm (from Z=0.0 to Z=92.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.2 mm over length 117.9 mm (from Z=0.0 to Z=204.4).\n10. Finish turn diameter Ø30.0 mm over length 86.5 mm (from Z=0.0 to Z=86.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00299", "image": "images/Shaft_00299.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø63.6 mm and length at least 115.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.6 mm over length 37.9 mm (from Z=0.0 to Z=37.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.0 mm over length 6.2 mm (from Z=0.0 to Z=72.1).\n9. Finish turn diameter Ø45.5 mm over length 12.1 mm (from Z=0.0 to Z=65.9).\n10. Finish turn diameter Ø37.2 mm over length 53.8 mm (from Z=0.0 to Z=53.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00638", "image": "images/Shaft_00638.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.4 mm and length at least 244.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.4 mm over length 174.5 mm (from Z=0.0 to Z=174.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 65.4 mm (from Z=0.0 to Z=65.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00386", "image": "images/Shaft_00386.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø62.3 mm and length at least 89.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.3 mm over length 12.7 mm (from Z=0.0 to Z=12.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.3 mm over length 36.1 mm (from Z=0.0 to Z=72.1).\n9. Finish turn diameter Ø46.3 mm over length 36.0 mm (from Z=0.0 to Z=36.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00364", "image": "images/Shaft_00364.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 290.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 220.6 mm (from Z=0.0 to Z=220.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.1 mm over length 64.8 mm (from Z=0.0 to Z=64.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00879", "image": "images/Shaft_00879.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø79.6 mm and length at least 175.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.6 mm over length 47.0 mm (from Z=0.0 to Z=47.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø61.3 mm over length 42.0 mm (from Z=0.0 to Z=123.3).\n9. Finish turn diameter Ø45.3 mm over length 51.4 mm (from Z=0.0 to Z=81.3).\n10. Finish turn diameter Ø30.0 mm over length 29.9 mm (from Z=0.0 to Z=29.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00334", "image": "images/Shaft_00334.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.3 mm and length at least 150.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.3 mm over length 40.1 mm (from Z=0.0 to Z=40.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 105.5 mm (from Z=0.0 to Z=105.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00016", "image": "images/Shaft_00016.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø41.3 mm and length at least 197.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.3 mm over length 48.0 mm (from Z=0.0 to Z=48.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 144.6 mm (from Z=0.0 to Z=144.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00202", "image": "images/Shaft_00202.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø61.2 mm and length at least 126.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.2 mm over length 42.0 mm (from Z=0.0 to Z=42.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.5 mm over length 24.5 mm (from Z=0.0 to Z=79.8).\n9. Finish turn diameter Ø33.5 mm over length 55.3 mm (from Z=0.0 to Z=55.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00001", "image": "images/Shaft_00001.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø65.6 mm and length at least 129.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.6 mm over length 40.4 mm (from Z=0.0 to Z=40.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.5 mm over length 48.4 mm (from Z=0.0 to Z=83.8).\n9. Finish turn diameter Ø30.0 mm over length 35.4 mm (from Z=0.0 to Z=35.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00038", "image": "images/Shaft_00038.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø38.1 mm and length at least 281.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.1 mm over length 85.8 mm (from Z=0.0 to Z=85.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.8 mm over length 59.4 mm (from Z=0.0 to Z=190.6).\n10. Finish turn diameter Ø30.0 mm over length 131.2 mm (from Z=0.0 to Z=131.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00290", "image": "images/Shaft_00290.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.6 mm and length at least 212.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.6 mm over length 51.0 mm (from Z=0.0 to Z=51.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø46.3 mm over length 128.1 mm (from Z=0.0 to Z=156.3).\n10. Finish turn diameter Ø43.0 mm over length 28.2 mm (from Z=0.0 to Z=28.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00493", "image": "images/Shaft_00493.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.3 mm and length at least 110.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.3 mm over length 8.0 mm (from Z=0.0 to Z=8.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.2 mm over length 14.8 mm (from Z=0.0 to Z=97.1).\n9. Finish turn diameter Ø36.5 mm over length 21.7 mm (from Z=0.0 to Z=82.3).\n10. Finish turn diameter Ø30.0 mm over length 60.6 mm (from Z=0.0 to Z=60.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00247", "image": "images/Shaft_00247.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø67.4 mm and length at least 80.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.4 mm over length 7.5 mm (from Z=0.0 to Z=7.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø58.4 mm over length 22.9 mm (from Z=0.0 to Z=68.0).\n9. Finish turn diameter Ø39.5 mm over length 31.2 mm (from Z=0.0 to Z=45.1).\n10. Finish turn diameter Ø30.0 mm over length 13.9 mm (from Z=0.0 to Z=13.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00506", "image": "images/Shaft_00506.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø63.5 mm and length at least 223.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.5 mm over length 8.2 mm (from Z=0.0 to Z=8.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.9 mm over length 29.1 mm (from Z=0.0 to Z=210.6).\n10. Finish turn diameter Ø36.6 mm over length 15.2 mm (from Z=0.0 to Z=181.5).\n11. Finish turn diameter Ø30.9 mm over length 73.2 mm (from Z=0.0 to Z=166.3).\n12. Finish turn diameter Ø30.0 mm over length 93.1 mm (from Z=0.0 to Z=93.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00896", "image": "images/Shaft_00896.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø81.5 mm and length at least 227.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.5 mm over length 88.4 mm (from Z=0.0 to Z=88.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø70.9 mm over length 86.7 mm (from Z=0.0 to Z=134.1).\n10. Finish turn diameter Ø57.9 mm over length 35.6 mm (from Z=0.0 to Z=47.4).\n11. Finish turn diameter Ø46.2 mm over length 11.8 mm (from Z=0.0 to Z=11.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00713", "image": "images/Shaft_00713.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø53.0 mm and length at least 103.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.0 mm over length 20.3 mm (from Z=0.0 to Z=20.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø41.8 mm over length 25.2 mm (from Z=0.0 to Z=78.2).\n9. Finish turn diameter Ø30.4 mm over length 12.0 mm (from Z=0.0 to Z=53.0).\n10. Finish turn diameter Ø30.0 mm over length 41.0 mm (from Z=0.0 to Z=41.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00891", "image": "images/Shaft_00891.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.6 mm and length at least 171.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.6 mm over length 25.9 mm (from Z=0.0 to Z=25.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.0 mm over length 29.9 mm (from Z=0.0 to Z=140.2).\n9. Finish turn diameter Ø43.7 mm over length 41.8 mm (from Z=0.0 to Z=110.3).\n10. Finish turn diameter Ø30.0 mm over length 68.5 mm (from Z=0.0 to Z=68.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00076", "image": "images/Shaft_00076.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 154.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 85.4 mm (from Z=0.0 to Z=85.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø22.0 mm over length 64.1 mm (from Z=0.0 to Z=64.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00911", "image": "images/Shaft_00911.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.5 mm and length at least 151.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.5 mm over length 24.4 mm (from Z=0.0 to Z=24.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.6 mm over length 34.8 mm (from Z=0.0 to Z=122.2).\n9. Finish turn diameter Ø56.8 mm over length 33.2 mm (from Z=0.0 to Z=87.4).\n10. Finish turn diameter Ø39.9 mm over length 47.3 mm (from Z=0.0 to Z=54.2).\n11. Finish turn diameter Ø33.2 mm over length 6.9 mm (from Z=0.0 to Z=6.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00792", "image": "images/Shaft_00792.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø46.9 mm and length at least 212.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.9 mm over length 18.0 mm (from Z=0.0 to Z=18.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.8 mm over length 55.0 mm (from Z=0.0 to Z=189.3).\n10. Finish turn diameter Ø30.0 mm over length 134.3 mm (from Z=0.0 to Z=134.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00508", "image": "images/Shaft_00508.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø73.7 mm and length at least 250.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.7 mm over length 22.6 mm (from Z=0.0 to Z=22.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.7 mm over length 98.9 mm (from Z=0.0 to Z=222.7).\n10. Finish turn diameter Ø40.7 mm over length 123.8 mm (from Z=0.0 to Z=123.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00177", "image": "images/Shaft_00177.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.4 mm and length at least 122.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.4 mm over length 26.7 mm (from Z=0.0 to Z=26.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 91.1 mm (from Z=0.0 to Z=91.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00842", "image": "images/Shaft_00842.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.2 mm and length at least 90.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.2 mm over length 30.3 mm (from Z=0.0 to Z=30.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø44.9 mm over length 11.3 mm (from Z=0.0 to Z=55.6).\n9. Finish turn diameter Ø32.7 mm over length 23.5 mm (from Z=0.0 to Z=44.3).\n10. Finish turn diameter Ø30.0 mm over length 20.8 mm (from Z=0.0 to Z=20.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00200", "image": "images/Shaft_00200.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.4 mm and length at least 302.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.4 mm over length 82.9 mm (from Z=0.0 to Z=82.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 214.4 mm (from Z=0.0 to Z=214.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00765", "image": "images/Shaft_00765.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø33.4 mm and length at least 237.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.4 mm over length 58.7 mm (from Z=0.0 to Z=58.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 174.0 mm (from Z=0.0 to Z=174.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00909", "image": "images/Shaft_00909.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.6 mm and length at least 314.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.6 mm over length 74.7 mm (from Z=0.0 to Z=74.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø66.2 mm over length 113.6 mm (from Z=0.0 to Z=234.9).\n10. Finish turn diameter Ø58.1 mm over length 121.3 mm (from Z=0.0 to Z=121.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00293", "image": "images/Shaft_00293.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø73.0 mm and length at least 239.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.0 mm over length 54.2 mm (from Z=0.0 to Z=54.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.4 mm over length 47.3 mm (from Z=0.0 to Z=180.6).\n10. Finish turn diameter Ø50.6 mm over length 19.8 mm (from Z=0.0 to Z=133.3).\n11. Finish turn diameter Ø40.8 mm over length 38.4 mm (from Z=0.0 to Z=113.5).\n12. Finish turn diameter Ø35.5 mm over length 27.0 mm (from Z=0.0 to Z=75.1).\n13. Finish turn diameter Ø30.0 mm over length 48.1 mm (from Z=0.0 to Z=48.1).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00538", "image": "images/Shaft_00538.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø81.4 mm and length at least 262.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.4 mm over length 13.5 mm (from Z=0.0 to Z=13.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.7 mm over length 42.6 mm (from Z=0.0 to Z=243.8).\n10. Finish turn diameter Ø53.9 mm over length 138.8 mm (from Z=0.0 to Z=201.2).\n11. Finish turn diameter Ø38.2 mm over length 62.4 mm (from Z=0.0 to Z=62.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00024", "image": "images/Shaft_00024.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 229.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 136.8 mm (from Z=0.0 to Z=136.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø20.2 mm over length 88.1 mm (from Z=0.0 to Z=88.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00694", "image": "images/Shaft_00694.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø61.0 mm and length at least 203.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.0 mm over length 59.6 mm (from Z=0.0 to Z=59.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.6 mm over length 87.3 mm (from Z=0.0 to Z=139.1).\n10. Finish turn diameter Ø43.2 mm over length 51.8 mm (from Z=0.0 to Z=51.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00210", "image": "images/Shaft_00210.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø69.8 mm and length at least 96.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.8 mm over length 12.6 mm (from Z=0.0 to Z=12.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø62.1 mm over length 7.8 mm (from Z=0.0 to Z=78.5).\n9. Finish turn diameter Ø42.1 mm over length 26.4 mm (from Z=0.0 to Z=70.7).\n10. Finish turn diameter Ø32.5 mm over length 20.2 mm (from Z=0.0 to Z=44.3).\n11. Finish turn diameter Ø30.0 mm over length 24.1 mm (from Z=0.0 to Z=24.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00424", "image": "images/Shaft_00424.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø52.6 mm and length at least 257.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.6 mm over length 23.5 mm (from Z=0.0 to Z=23.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.9 mm over length 14.7 mm (from Z=0.0 to Z=228.6).\n10. Finish turn diameter Ø30.0 mm over length 213.9 mm (from Z=0.0 to Z=213.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00528", "image": "images/Shaft_00528.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø72.8 mm and length at least 262.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.8 mm over length 9.6 mm (from Z=0.0 to Z=9.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.7 mm over length 46.6 mm (from Z=0.0 to Z=247.8).\n10. Finish turn diameter Ø43.7 mm over length 97.3 mm (from Z=0.0 to Z=201.2).\n11. Finish turn diameter Ø30.0 mm over length 103.9 mm (from Z=0.0 to Z=103.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00034", "image": "images/Shaft_00034.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø70.5 mm and length at least 225.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.5 mm over length 14.8 mm (from Z=0.0 to Z=14.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.7 mm over length 62.1 mm (from Z=0.0 to Z=205.3).\n10. Finish turn diameter Ø56.0 mm over length 63.7 mm (from Z=0.0 to Z=143.2).\n11. Finish turn diameter Ø36.0 mm over length 33.5 mm (from Z=0.0 to Z=79.5).\n12. Finish turn diameter Ø32.0 mm over length 46.0 mm (from Z=0.0 to Z=46.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00928", "image": "images/Shaft_00928.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø70.8 mm and length at least 267.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.8 mm over length 49.0 mm (from Z=0.0 to Z=49.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.3 mm over length 38.6 mm (from Z=0.0 to Z=213.0).\n10. Finish turn diameter Ø34.9 mm over length 74.7 mm (from Z=0.0 to Z=174.4).\n11. Finish turn diameter Ø30.0 mm over length 99.7 mm (from Z=0.0 to Z=99.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00398", "image": "images/Shaft_00398.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø81.5 mm and length at least 188.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.5 mm over length 12.8 mm (from Z=0.0 to Z=12.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø73.7 mm over length 31.2 mm (from Z=0.0 to Z=170.8).\n9. Finish turn diameter Ø66.3 mm over length 31.4 mm (from Z=0.0 to Z=139.6).\n10. Finish turn diameter Ø62.7 mm over length 108.2 mm (from Z=0.0 to Z=108.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00607", "image": "images/Shaft_00607.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø69.0 mm and length at least 260.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.0 mm over length 53.0 mm (from Z=0.0 to Z=53.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø50.5 mm over length 56.5 mm (from Z=0.0 to Z=202.1).\n10. Finish turn diameter Ø47.4 mm over length 68.5 mm (from Z=0.0 to Z=145.6).\n11. Finish turn diameter Ø30.0 mm over length 77.1 mm (from Z=0.0 to Z=77.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00298", "image": "images/Shaft_00298.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.8 mm and length at least 208.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.8 mm over length 30.2 mm (from Z=0.0 to Z=30.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.7 mm over length 14.1 mm (from Z=0.0 to Z=173.4).\n10. Finish turn diameter Ø30.0 mm over length 159.3 mm (from Z=0.0 to Z=159.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00848", "image": "images/Shaft_00848.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø77.5 mm and length at least 255.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.5 mm over length 30.8 mm (from Z=0.0 to Z=30.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø56.4 mm over length 43.9 mm (from Z=0.0 to Z=219.8).\n10. Finish turn diameter Ø52.6 mm over length 59.2 mm (from Z=0.0 to Z=175.9).\n11. Finish turn diameter Ø42.8 mm over length 60.7 mm (from Z=0.0 to Z=116.7).\n12. Finish turn diameter Ø30.0 mm over length 56.0 mm (from Z=0.0 to Z=56.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
diff --git a/annotations/train.jsonl b/annotations/train.jsonl
new file mode 100644
index 0000000000000000000000000000000000000000..73d7a9b475e8016180b01913d4e9e51e91f2bca6
--- /dev/null
+++ b/annotations/train.jsonl
@@ -0,0 +1,900 @@
+{"id": "Shaft_00668", "image": "images/Shaft_00668.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.4 mm and length at least 70.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.4 mm over length 14.4 mm (from Z=0.0 to Z=14.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 51.1 mm (from Z=0.0 to Z=51.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00282", "image": "images/Shaft_00282.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø40.5 mm and length at least 302.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.5 mm over length 74.6 mm (from Z=0.0 to Z=74.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.8 mm over length 46.6 mm (from Z=0.0 to Z=223.2).\n10. Finish turn diameter Ø30.0 mm over length 176.6 mm (from Z=0.0 to Z=176.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00939", "image": "images/Shaft_00939.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 75.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 33.1 mm (from Z=0.0 to Z=33.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø20.1 mm over length 37.6 mm (from Z=0.0 to Z=37.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00944", "image": "images/Shaft_00944.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø81.5 mm and length at least 257.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.5 mm over length 20.2 mm (from Z=0.0 to Z=20.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø63.2 mm over length 64.5 mm (from Z=0.0 to Z=232.4).\n10. Finish turn diameter Ø52.9 mm over length 26.7 mm (from Z=0.0 to Z=167.9).\n11. Finish turn diameter Ø33.4 mm over length 37.7 mm (from Z=0.0 to Z=141.2).\n12. Finish turn diameter Ø30.0 mm over length 103.5 mm (from Z=0.0 to Z=103.5).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00606", "image": "images/Shaft_00606.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 205.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 100.5 mm (from Z=0.0 to Z=100.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø18.8 mm over length 99.9 mm (from Z=0.0 to Z=99.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00959", "image": "images/Shaft_00959.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø36.4 mm and length at least 305.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.4 mm over length 101.5 mm (from Z=0.0 to Z=101.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 199.0 mm (from Z=0.0 to Z=199.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00934", "image": "images/Shaft_00934.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.5 mm and length at least 190.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.5 mm over length 54.9 mm (from Z=0.0 to Z=54.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.3 mm over length 70.4 mm (from Z=0.0 to Z=130.9).\n9. Finish turn diameter Ø61.5 mm over length 42.5 mm (from Z=0.0 to Z=60.5).\n10. Finish turn diameter Ø47.6 mm over length 18.0 mm (from Z=0.0 to Z=18.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00731", "image": "images/Shaft_00731.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø42.5 mm and length at least 149.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.5 mm over length 33.6 mm (from Z=0.0 to Z=33.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 111.0 mm (from Z=0.0 to Z=111.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00287", "image": "images/Shaft_00287.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø35.1 mm and length at least 215.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.1 mm over length 38.4 mm (from Z=0.0 to Z=38.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 172.4 mm (from Z=0.0 to Z=172.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00527", "image": "images/Shaft_00527.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 303.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 279.6 mm (from Z=0.0 to Z=279.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.3 mm over length 18.6 mm (from Z=0.0 to Z=18.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00807", "image": "images/Shaft_00807.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø67.9 mm and length at least 321.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.9 mm over length 60.8 mm (from Z=0.0 to Z=60.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.5 mm over length 85.8 mm (from Z=0.0 to Z=256.0).\n10. Finish turn diameter Ø40.5 mm over length 29.9 mm (from Z=0.0 to Z=170.2).\n11. Finish turn diameter Ø30.0 mm over length 140.3 mm (from Z=0.0 to Z=140.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00229", "image": "images/Shaft_00229.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø37.4 mm and length at least 110.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.4 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 100.9 mm (from Z=0.0 to Z=100.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00436", "image": "images/Shaft_00436.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø51.8 mm and length at least 320.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.8 mm over length 47.0 mm (from Z=0.0 to Z=47.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.8 mm over length 126.1 mm (from Z=0.0 to Z=268.2).\n10. Finish turn diameter Ø31.5 mm over length 33.7 mm (from Z=0.0 to Z=142.1).\n11. Finish turn diameter Ø30.0 mm over length 108.4 mm (from Z=0.0 to Z=108.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00028", "image": "images/Shaft_00028.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.2 mm and length at least 137.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.2 mm over length 12.9 mm (from Z=0.0 to Z=12.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.1 mm over length 33.0 mm (from Z=0.0 to Z=119.1).\n9. Finish turn diameter Ø45.3 mm over length 30.2 mm (from Z=0.0 to Z=86.1).\n10. Finish turn diameter Ø30.0 mm over length 55.9 mm (from Z=0.0 to Z=55.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00374", "image": "images/Shaft_00374.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.0 mm and length at least 296.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.0 mm over length 29.1 mm (from Z=0.0 to Z=29.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.8 mm over length 100.1 mm (from Z=0.0 to Z=261.9).\n10. Finish turn diameter Ø30.0 mm over length 161.8 mm (from Z=0.0 to Z=161.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00819", "image": "images/Shaft_00819.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø52.3 mm and length at least 96.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.3 mm over length 16.0 mm (from Z=0.0 to Z=16.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.9 mm over length 26.8 mm (from Z=0.0 to Z=75.7).\n9. Finish turn diameter Ø30.1 mm over length 12.8 mm (from Z=0.0 to Z=48.9).\n10. Finish turn diameter Ø30.0 mm over length 36.1 mm (from Z=0.0 to Z=36.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00316", "image": "images/Shaft_00316.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.8 mm and length at least 274.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.8 mm over length 35.3 mm (from Z=0.0 to Z=35.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø35.7 mm over length 37.7 mm (from Z=0.0 to Z=234.6).\n10. Finish turn diameter Ø30.0 mm over length 196.9 mm (from Z=0.0 to Z=196.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00560", "image": "images/Shaft_00560.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø80.8 mm and length at least 305.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.8 mm over length 89.7 mm (from Z=0.0 to Z=89.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø69.4 mm over length 13.5 mm (from Z=0.0 to Z=210.6).\n10. Finish turn diameter Ø51.4 mm over length 55.5 mm (from Z=0.0 to Z=197.1).\n11. Finish turn diameter Ø39.4 mm over length 51.6 mm (from Z=0.0 to Z=141.6).\n12. Finish turn diameter Ø31.8 mm over length 90.0 mm (from Z=0.0 to Z=90.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00241", "image": "images/Shaft_00241.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø67.0 mm and length at least 318.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.0 mm over length 84.1 mm (from Z=0.0 to Z=84.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø56.5 mm over length 71.2 mm (from Z=0.0 to Z=229.8).\n10. Finish turn diameter Ø51.7 mm over length 61.2 mm (from Z=0.0 to Z=158.6).\n11. Finish turn diameter Ø39.3 mm over length 13.4 mm (from Z=0.0 to Z=97.4).\n12. Finish turn diameter Ø33.5 mm over length 84.0 mm (from Z=0.0 to Z=84.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00149", "image": "images/Shaft_00149.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø67.7 mm and length at least 172.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.7 mm over length 62.5 mm (from Z=0.0 to Z=62.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø62.3 mm over length 57.5 mm (from Z=0.0 to Z=104.8).\n9. Finish turn diameter Ø58.6 mm over length 47.3 mm (from Z=0.0 to Z=47.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00516", "image": "images/Shaft_00516.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø48.2 mm and length at least 257.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.2 mm over length 58.8 mm (from Z=0.0 to Z=58.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.2 mm over length 64.8 mm (from Z=0.0 to Z=193.2).\n10. Finish turn diameter Ø30.0 mm over length 128.4 mm (from Z=0.0 to Z=128.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00417", "image": "images/Shaft_00417.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø43.2 mm and length at least 301.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.2 mm over length 67.3 mm (from Z=0.0 to Z=67.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 229.6 mm (from Z=0.0 to Z=229.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00660", "image": "images/Shaft_00660.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø69.9 mm and length at least 103.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.9 mm over length 18.1 mm (from Z=0.0 to Z=18.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.2 mm over length 9.3 mm (from Z=0.0 to Z=79.9).\n9. Finish turn diameter Ø38.9 mm over length 29.6 mm (from Z=0.0 to Z=70.6).\n10. Finish turn diameter Ø30.0 mm over length 41.0 mm (from Z=0.0 to Z=41.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00198", "image": "images/Shaft_00198.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø45.2 mm and length at least 284.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.2 mm over length 68.8 mm (from Z=0.0 to Z=68.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.8 mm over length 9.3 mm (from Z=0.0 to Z=211.1).\n10. Finish turn diameter Ø30.0 mm over length 201.8 mm (from Z=0.0 to Z=201.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00585", "image": "images/Shaft_00585.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø48.9 mm and length at least 254.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.9 mm over length 81.1 mm (from Z=0.0 to Z=81.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.2 mm over length 58.3 mm (from Z=0.0 to Z=168.6).\n10. Finish turn diameter Ø30.0 mm over length 110.3 mm (from Z=0.0 to Z=110.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00325", "image": "images/Shaft_00325.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 247.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 152.4 mm (from Z=0.0 to Z=152.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.7 mm over length 90.3 mm (from Z=0.0 to Z=90.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00823", "image": "images/Shaft_00823.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø47.4 mm and length at least 99.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.4 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 89.4 mm (from Z=0.0 to Z=89.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00702", "image": "images/Shaft_00702.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø42.0 mm and length at least 223.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.0 mm over length 40.4 mm (from Z=0.0 to Z=40.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.6 mm over length 147.2 mm (from Z=0.0 to Z=177.7).\n10. Finish turn diameter Ø30.0 mm over length 30.5 mm (from Z=0.0 to Z=30.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00949", "image": "images/Shaft_00949.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø62.1 mm and length at least 213.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.1 mm over length 49.7 mm (from Z=0.0 to Z=49.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.6 mm over length 56.3 mm (from Z=0.0 to Z=158.3).\n10. Finish turn diameter Ø38.1 mm over length 32.2 mm (from Z=0.0 to Z=102.0).\n11. Finish turn diameter Ø30.0 mm over length 69.8 mm (from Z=0.0 to Z=69.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00515", "image": "images/Shaft_00515.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø64.1 mm and length at least 186.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.1 mm over length 94.3 mm (from Z=0.0 to Z=94.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø52.2 mm over length 68.3 mm (from Z=0.0 to Z=87.6).\n9. Finish turn diameter Ø44.0 mm over length 19.3 mm (from Z=0.0 to Z=19.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00864", "image": "images/Shaft_00864.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø59.2 mm and length at least 132.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.2 mm over length 41.5 mm (from Z=0.0 to Z=41.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.2 mm over length 24.7 mm (from Z=0.0 to Z=86.3).\n9. Finish turn diameter Ø41.1 mm over length 12.5 mm (from Z=0.0 to Z=61.6).\n10. Finish turn diameter Ø30.0 mm over length 49.1 mm (from Z=0.0 to Z=49.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00836", "image": "images/Shaft_00836.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 151.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 92.7 mm (from Z=0.0 to Z=92.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø19.0 mm over length 53.3 mm (from Z=0.0 to Z=53.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00877", "image": "images/Shaft_00877.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø67.7 mm and length at least 257.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.7 mm over length 142.1 mm (from Z=0.0 to Z=142.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.1 mm over length 56.3 mm (from Z=0.0 to Z=110.1).\n10. Finish turn diameter Ø38.4 mm over length 53.8 mm (from Z=0.0 to Z=53.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00359", "image": "images/Shaft_00359.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.9 mm and length at least 88.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.9 mm over length 30.5 mm (from Z=0.0 to Z=30.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 53.1 mm (from Z=0.0 to Z=53.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00594", "image": "images/Shaft_00594.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.0 mm and length at least 299.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.0 mm over length 187.7 mm (from Z=0.0 to Z=187.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø55.5 mm over length 35.4 mm (from Z=0.0 to Z=106.4).\n10. Finish turn diameter Ø52.4 mm over length 71.0 mm (from Z=0.0 to Z=71.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00788", "image": "images/Shaft_00788.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø58.5 mm and length at least 89.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.5 mm over length 18.3 mm (from Z=0.0 to Z=18.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.9 mm over length 12.7 mm (from Z=0.0 to Z=66.1).\n9. Finish turn diameter Ø32.8 mm over length 53.4 mm (from Z=0.0 to Z=53.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00188", "image": "images/Shaft_00188.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø63.4 mm and length at least 149.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.4 mm over length 53.3 mm (from Z=0.0 to Z=53.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø53.0 mm over length 33.8 mm (from Z=0.0 to Z=91.4).\n9. Finish turn diameter Ø43.5 mm over length 57.6 mm (from Z=0.0 to Z=57.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00066", "image": "images/Shaft_00066.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 193.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 146.3 mm (from Z=0.0 to Z=146.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø24.9 mm over length 42.2 mm (from Z=0.0 to Z=42.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00355", "image": "images/Shaft_00355.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.2 mm and length at least 137.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.2 mm over length 26.0 mm (from Z=0.0 to Z=26.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.9 mm over length 5.0 mm (from Z=0.0 to Z=106.5).\n9. Finish turn diameter Ø50.4 mm over length 39.5 mm (from Z=0.0 to Z=101.5).\n10. Finish turn diameter Ø47.2 mm over length 7.5 mm (from Z=0.0 to Z=62.0).\n11. Finish turn diameter Ø39.8 mm over length 27.1 mm (from Z=0.0 to Z=54.5).\n12. Finish turn diameter Ø30.0 mm over length 27.4 mm (from Z=0.0 to Z=27.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00799", "image": "images/Shaft_00799.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø81.3 mm and length at least 310.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.3 mm over length 79.6 mm (from Z=0.0 to Z=79.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø72.3 mm over length 163.1 mm (from Z=0.0 to Z=226.1).\n10. Finish turn diameter Ø57.1 mm over length 63.0 mm (from Z=0.0 to Z=63.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00902", "image": "images/Shaft_00902.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø50.7 mm and length at least 137.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.7 mm over length 28.4 mm (from Z=0.0 to Z=28.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 103.6 mm (from Z=0.0 to Z=103.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00920", "image": "images/Shaft_00920.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø43.5 mm and length at least 101.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.5 mm over length 32.7 mm (from Z=0.0 to Z=32.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.5 mm over length 5.4 mm (from Z=0.0 to Z=63.3).\n9. Finish turn diameter Ø30.0 mm over length 57.9 mm (from Z=0.0 to Z=57.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00942", "image": "images/Shaft_00942.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø62.9 mm and length at least 198.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.9 mm over length 29.6 mm (from Z=0.0 to Z=29.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.6 mm over length 38.3 mm (from Z=0.0 to Z=164.2).\n10. Finish turn diameter Ø30.0 mm over length 125.9 mm (from Z=0.0 to Z=125.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00330", "image": "images/Shaft_00330.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø41.9 mm and length at least 311.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.9 mm over length 69.8 mm (from Z=0.0 to Z=69.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 236.2 mm (from Z=0.0 to Z=236.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00727", "image": "images/Shaft_00727.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø78.7 mm and length at least 250.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.7 mm over length 146.5 mm (from Z=0.0 to Z=146.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø71.0 mm over length 59.0 mm (from Z=0.0 to Z=99.4).\n10. Finish turn diameter Ø55.0 mm over length 40.4 mm (from Z=0.0 to Z=40.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00396", "image": "images/Shaft_00396.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø33.9 mm and length at least 116.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.9 mm over length 6.1 mm (from Z=0.0 to Z=6.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 105.5 mm (from Z=0.0 to Z=105.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00463", "image": "images/Shaft_00463.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø50.9 mm and length at least 186.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.9 mm over length 36.5 mm (from Z=0.0 to Z=36.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.0 mm over length 17.2 mm (from Z=0.0 to Z=145.3).\n10. Finish turn diameter Ø30.0 mm over length 128.1 mm (from Z=0.0 to Z=128.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00393", "image": "images/Shaft_00393.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø71.8 mm and length at least 315.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.8 mm over length 85.7 mm (from Z=0.0 to Z=85.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø51.3 mm over length 73.6 mm (from Z=0.0 to Z=224.7).\n10. Finish turn diameter Ø38.5 mm over length 56.1 mm (from Z=0.0 to Z=151.1).\n11. Finish turn diameter Ø30.0 mm over length 95.0 mm (from Z=0.0 to Z=95.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00311", "image": "images/Shaft_00311.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 280.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 202.7 mm (from Z=0.0 to Z=202.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø25.3 mm over length 72.9 mm (from Z=0.0 to Z=72.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00680", "image": "images/Shaft_00680.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø77.9 mm and length at least 90.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.9 mm over length 7.8 mm (from Z=0.0 to Z=7.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.2 mm over length 17.6 mm (from Z=0.0 to Z=77.6).\n9. Finish turn diameter Ø48.6 mm over length 10.3 mm (from Z=0.0 to Z=60.0).\n10. Finish turn diameter Ø33.8 mm over length 23.9 mm (from Z=0.0 to Z=49.7).\n11. Finish turn diameter Ø30.0 mm over length 25.8 mm (from Z=0.0 to Z=25.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00744", "image": "images/Shaft_00744.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø69.1 mm and length at least 318.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.1 mm over length 56.3 mm (from Z=0.0 to Z=56.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.5 mm over length 49.5 mm (from Z=0.0 to Z=256.9).\n10. Finish turn diameter Ø32.9 mm over length 49.0 mm (from Z=0.0 to Z=207.4).\n11. Finish turn diameter Ø30.0 mm over length 158.4 mm (from Z=0.0 to Z=158.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00921", "image": "images/Shaft_00921.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø36.9 mm and length at least 110.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.9 mm over length 10.9 mm (from Z=0.0 to Z=10.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 94.6 mm (from Z=0.0 to Z=94.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00461", "image": "images/Shaft_00461.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.1 mm and length at least 142.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.1 mm over length 59.9 mm (from Z=0.0 to Z=59.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø73.5 mm over length 28.1 mm (from Z=0.0 to Z=77.6).\n9. Finish turn diameter Ø69.8 mm over length 49.5 mm (from Z=0.0 to Z=49.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00522", "image": "images/Shaft_00522.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø71.7 mm and length at least 102.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.7 mm over length 28.8 mm (from Z=0.0 to Z=28.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.9 mm over length 14.5 mm (from Z=0.0 to Z=68.5).\n9. Finish turn diameter Ø58.0 mm over length 30.9 mm (from Z=0.0 to Z=54.0).\n10. Finish turn diameter Ø40.7 mm over length 23.1 mm (from Z=0.0 to Z=23.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00631", "image": "images/Shaft_00631.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø48.2 mm and length at least 121.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.2 mm over length 10.8 mm (from Z=0.0 to Z=10.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø34.4 mm over length 25.9 mm (from Z=0.0 to Z=105.3).\n9. Finish turn diameter Ø30.0 mm over length 79.4 mm (from Z=0.0 to Z=79.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00490", "image": "images/Shaft_00490.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 233.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 196.6 mm (from Z=0.0 to Z=196.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.4 mm over length 31.6 mm (from Z=0.0 to Z=31.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00195", "image": "images/Shaft_00195.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø51.6 mm and length at least 226.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.6 mm over length 43.2 mm (from Z=0.0 to Z=43.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.5 mm over length 20.1 mm (from Z=0.0 to Z=178.6).\n10. Finish turn diameter Ø36.1 mm over length 46.5 mm (from Z=0.0 to Z=158.5).\n11. Finish turn diameter Ø32.7 mm over length 45.8 mm (from Z=0.0 to Z=112.0).\n12. Finish turn diameter Ø30.0 mm over length 66.2 mm (from Z=0.0 to Z=66.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00256", "image": "images/Shaft_00256.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.0 mm and length at least 145.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.0 mm over length 13.7 mm (from Z=0.0 to Z=13.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø55.7 mm over length 18.4 mm (from Z=0.0 to Z=127.1).\n9. Finish turn diameter Ø47.2 mm over length 108.7 mm (from Z=0.0 to Z=108.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00693", "image": "images/Shaft_00693.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 220.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 168.4 mm (from Z=0.0 to Z=168.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.0 mm over length 46.9 mm (from Z=0.0 to Z=46.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00740", "image": "images/Shaft_00740.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 239.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 220.6 mm (from Z=0.0 to Z=220.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.9 mm over length 13.8 mm (from Z=0.0 to Z=13.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00577", "image": "images/Shaft_00577.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø68.5 mm and length at least 270.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.5 mm over length 129.9 mm (from Z=0.0 to Z=129.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.3 mm over length 76.0 mm (from Z=0.0 to Z=135.1).\n10. Finish turn diameter Ø50.9 mm over length 59.1 mm (from Z=0.0 to Z=59.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00157", "image": "images/Shaft_00157.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø70.6 mm and length at least 96.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.6 mm over length 33.1 mm (from Z=0.0 to Z=33.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.8 mm over length 22.4 mm (from Z=0.0 to Z=58.6).\n9. Finish turn diameter Ø44.3 mm over length 13.4 mm (from Z=0.0 to Z=36.2).\n10. Finish turn diameter Ø30.0 mm over length 22.8 mm (from Z=0.0 to Z=22.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00612", "image": "images/Shaft_00612.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø81.5 mm and length at least 153.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.5 mm over length 20.5 mm (from Z=0.0 to Z=20.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø76.4 mm over length 41.5 mm (from Z=0.0 to Z=127.8).\n9. Finish turn diameter Ø68.8 mm over length 10.8 mm (from Z=0.0 to Z=86.3).\n10. Finish turn diameter Ø62.4 mm over length 29.5 mm (from Z=0.0 to Z=75.5).\n11. Finish turn diameter Ø52.3 mm over length 34.3 mm (from Z=0.0 to Z=46.0).\n12. Finish turn diameter Ø33.4 mm over length 11.7 mm (from Z=0.0 to Z=11.7).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00392", "image": "images/Shaft_00392.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø62.8 mm and length at least 91.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.8 mm over length 14.6 mm (from Z=0.0 to Z=14.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.5 mm over length 42.4 mm (from Z=0.0 to Z=71.5).\n9. Finish turn diameter Ø39.9 mm over length 29.1 mm (from Z=0.0 to Z=29.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00969", "image": "images/Shaft_00969.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø76.9 mm and length at least 275.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.9 mm over length 124.6 mm (from Z=0.0 to Z=124.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø65.4 mm over length 23.6 mm (from Z=0.0 to Z=145.5).\n10. Finish turn diameter Ø59.0 mm over length 121.9 mm (from Z=0.0 to Z=121.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00688", "image": "images/Shaft_00688.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø56.2 mm and length at least 324.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.2 mm over length 78.8 mm (from Z=0.0 to Z=78.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.9 mm over length 27.0 mm (from Z=0.0 to Z=240.4).\n10. Finish turn diameter Ø30.0 mm over length 213.4 mm (from Z=0.0 to Z=213.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00361", "image": "images/Shaft_00361.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø56.6 mm and length at least 306.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.6 mm over length 26.3 mm (from Z=0.0 to Z=26.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.4 mm over length 63.7 mm (from Z=0.0 to Z=274.7).\n10. Finish turn diameter Ø42.2 mm over length 98.3 mm (from Z=0.0 to Z=211.0).\n11. Finish turn diameter Ø30.0 mm over length 112.7 mm (from Z=0.0 to Z=112.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00816", "image": "images/Shaft_00816.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø52.9 mm and length at least 143.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.9 mm over length 17.6 mm (from Z=0.0 to Z=17.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.7 mm over length 42.1 mm (from Z=0.0 to Z=120.8).\n9. Finish turn diameter Ø30.0 mm over length 78.7 mm (from Z=0.0 to Z=78.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00401", "image": "images/Shaft_00401.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø71.8 mm and length at least 321.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.8 mm over length 63.2 mm (from Z=0.0 to Z=63.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø65.9 mm over length 61.8 mm (from Z=0.0 to Z=252.9).\n10. Finish turn diameter Ø60.2 mm over length 47.1 mm (from Z=0.0 to Z=191.1).\n11. Finish turn diameter Ø52.3 mm over length 70.5 mm (from Z=0.0 to Z=144.0).\n12. Finish turn diameter Ø44.3 mm over length 47.6 mm (from Z=0.0 to Z=73.5).\n13. Finish turn diameter Ø35.7 mm over length 25.9 mm (from Z=0.0 to Z=25.9).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00092", "image": "images/Shaft_00092.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø73.6 mm and length at least 141.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.6 mm over length 40.8 mm (from Z=0.0 to Z=40.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø54.4 mm over length 12.1 mm (from Z=0.0 to Z=95.3).\n9. Finish turn diameter Ø49.5 mm over length 5.6 mm (from Z=0.0 to Z=83.2).\n10. Finish turn diameter Ø31.2 mm over length 37.4 mm (from Z=0.0 to Z=77.6).\n11. Finish turn diameter Ø30.0 mm over length 40.2 mm (from Z=0.0 to Z=40.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00917", "image": "images/Shaft_00917.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.1 mm and length at least 210.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.1 mm over length 65.2 mm (from Z=0.0 to Z=65.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 140.4 mm (from Z=0.0 to Z=140.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00489", "image": "images/Shaft_00489.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø74.2 mm and length at least 295.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.2 mm over length 28.4 mm (from Z=0.0 to Z=28.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.9 mm over length 48.5 mm (from Z=0.0 to Z=262.1).\n10. Finish turn diameter Ø43.9 mm over length 98.5 mm (from Z=0.0 to Z=213.6).\n11. Finish turn diameter Ø30.3 mm over length 86.5 mm (from Z=0.0 to Z=115.1).\n12. Finish turn diameter Ø30.0 mm over length 28.6 mm (from Z=0.0 to Z=28.6).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00451", "image": "images/Shaft_00451.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø74.7 mm and length at least 300.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.7 mm over length 24.7 mm (from Z=0.0 to Z=24.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.5 mm over length 91.9 mm (from Z=0.0 to Z=270.9).\n10. Finish turn diameter Ø43.4 mm over length 31.9 mm (from Z=0.0 to Z=179.0).\n11. Finish turn diameter Ø30.0 mm over length 147.1 mm (from Z=0.0 to Z=147.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00251", "image": "images/Shaft_00251.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø75.0 mm and length at least 304.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.0 mm over length 54.7 mm (from Z=0.0 to Z=54.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø63.5 mm over length 52.3 mm (from Z=0.0 to Z=244.9).\n10. Finish turn diameter Ø45.1 mm over length 35.4 mm (from Z=0.0 to Z=192.6).\n11. Finish turn diameter Ø37.4 mm over length 84.3 mm (from Z=0.0 to Z=157.2).\n12. Finish turn diameter Ø30.0 mm over length 72.9 mm (from Z=0.0 to Z=72.9).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00653", "image": "images/Shaft_00653.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 152.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 102.6 mm (from Z=0.0 to Z=102.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.6 mm over length 44.6 mm (from Z=0.0 to Z=44.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00769", "image": "images/Shaft_00769.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø79.5 mm and length at least 311.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.5 mm over length 70.8 mm (from Z=0.0 to Z=70.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø73.3 mm over length 123.9 mm (from Z=0.0 to Z=236.1).\n10. Finish turn diameter Ø58.2 mm over length 112.2 mm (from Z=0.0 to Z=112.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00670", "image": "images/Shaft_00670.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø38.1 mm and length at least 108.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.1 mm over length 21.6 mm (from Z=0.0 to Z=21.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 82.3 mm (from Z=0.0 to Z=82.3).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00129", "image": "images/Shaft_00129.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.0 mm and length at least 213.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.0 mm over length 21.6 mm (from Z=0.0 to Z=21.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 187.2 mm (from Z=0.0 to Z=187.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00637", "image": "images/Shaft_00637.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø40.7 mm and length at least 119.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.7 mm over length 27.7 mm (from Z=0.0 to Z=27.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 86.8 mm (from Z=0.0 to Z=86.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00991", "image": "images/Shaft_00991.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø70.1 mm and length at least 301.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.1 mm over length 14.7 mm (from Z=0.0 to Z=14.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.9 mm over length 60.2 mm (from Z=0.0 to Z=282.0).\n10. Finish turn diameter Ø34.9 mm over length 46.9 mm (from Z=0.0 to Z=221.8).\n11. Finish turn diameter Ø30.0 mm over length 174.9 mm (from Z=0.0 to Z=174.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00342", "image": "images/Shaft_00342.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.3 mm and length at least 223.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.3 mm over length 22.9 mm (from Z=0.0 to Z=22.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.6 mm over length 53.3 mm (from Z=0.0 to Z=195.3).\n10. Finish turn diameter Ø44.3 mm over length 114.9 mm (from Z=0.0 to Z=142.0).\n11. Finish turn diameter Ø39.6 mm over length 27.1 mm (from Z=0.0 to Z=27.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00308", "image": "images/Shaft_00308.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø59.7 mm and length at least 128.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.7 mm over length 18.4 mm (from Z=0.0 to Z=18.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø45.0 mm over length 17.8 mm (from Z=0.0 to Z=105.5).\n9. Finish turn diameter Ø39.8 mm over length 40.1 mm (from Z=0.0 to Z=87.7).\n10. Finish turn diameter Ø36.6 mm over length 16.5 mm (from Z=0.0 to Z=47.6).\n11. Finish turn diameter Ø30.0 mm over length 31.1 mm (from Z=0.0 to Z=31.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00136", "image": "images/Shaft_00136.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 70.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 51.6 mm (from Z=0.0 to Z=51.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø29.0 mm over length 14.0 mm (from Z=0.0 to Z=14.0).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00088", "image": "images/Shaft_00088.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø58.5 mm and length at least 195.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.5 mm over length 86.0 mm (from Z=0.0 to Z=86.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.1 mm over length 54.2 mm (from Z=0.0 to Z=104.9).\n10. Finish turn diameter Ø40.4 mm over length 38.7 mm (from Z=0.0 to Z=50.7).\n11. Finish turn diameter Ø33.7 mm over length 12.0 mm (from Z=0.0 to Z=12.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00327", "image": "images/Shaft_00327.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø56.6 mm and length at least 122.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.6 mm over length 18.3 mm (from Z=0.0 to Z=18.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø43.9 mm over length 29.7 mm (from Z=0.0 to Z=98.7).\n9. Finish turn diameter Ø30.0 mm over length 69.0 mm (from Z=0.0 to Z=69.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00475", "image": "images/Shaft_00475.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø44.8 mm and length at least 233.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.8 mm over length 74.7 mm (from Z=0.0 to Z=74.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.5 mm over length 103.5 mm (from Z=0.0 to Z=154.0).\n10. Finish turn diameter Ø30.0 mm over length 50.5 mm (from Z=0.0 to Z=50.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00981", "image": "images/Shaft_00981.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø53.4 mm and length at least 161.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.4 mm over length 37.0 mm (from Z=0.0 to Z=37.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.3 mm over length 28.1 mm (from Z=0.0 to Z=119.2).\n10. Finish turn diameter Ø30.0 mm over length 91.1 mm (from Z=0.0 to Z=91.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00850", "image": "images/Shaft_00850.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø38.9 mm and length at least 232.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.9 mm over length 38.4 mm (from Z=0.0 to Z=38.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 189.4 mm (from Z=0.0 to Z=189.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00892", "image": "images/Shaft_00892.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 306.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 242.6 mm (from Z=0.0 to Z=242.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.2 mm over length 59.1 mm (from Z=0.0 to Z=59.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00375", "image": "images/Shaft_00375.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø39.3 mm and length at least 117.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.3 mm over length 14.0 mm (from Z=0.0 to Z=14.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 98.8 mm (from Z=0.0 to Z=98.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00178", "image": "images/Shaft_00178.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 94.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 60.4 mm (from Z=0.0 to Z=60.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø23.8 mm over length 29.1 mm (from Z=0.0 to Z=29.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00026", "image": "images/Shaft_00026.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø70.1 mm and length at least 67.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.1 mm over length 13.5 mm (from Z=0.0 to Z=13.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø59.6 mm over length 5.0 mm (from Z=0.0 to Z=48.5).\n9. Finish turn diameter Ø51.7 mm over length 12.0 mm (from Z=0.0 to Z=43.5).\n10. Finish turn diameter Ø48.0 mm over length 31.5 mm (from Z=0.0 to Z=31.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00349", "image": "images/Shaft_00349.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø69.0 mm and length at least 312.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.0 mm over length 88.3 mm (from Z=0.0 to Z=88.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.1 mm over length 52.0 mm (from Z=0.0 to Z=219.1).\n10. Finish turn diameter Ø49.0 mm over length 39.1 mm (from Z=0.0 to Z=167.1).\n11. Finish turn diameter Ø36.6 mm over length 60.7 mm (from Z=0.0 to Z=128.0).\n12. Finish turn diameter Ø32.9 mm over length 67.3 mm (from Z=0.0 to Z=67.3).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00499", "image": "images/Shaft_00499.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.7 mm and length at least 159.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.7 mm over length 65.9 mm (from Z=0.0 to Z=65.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.0 mm over length 16.9 mm (from Z=0.0 to Z=88.2).\n9. Finish turn diameter Ø33.7 mm over length 71.3 mm (from Z=0.0 to Z=71.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00474", "image": "images/Shaft_00474.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø44.4 mm and length at least 275.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.4 mm over length 34.4 mm (from Z=0.0 to Z=34.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.1 mm over length 87.0 mm (from Z=0.0 to Z=236.3).\n10. Finish turn diameter Ø30.0 mm over length 149.3 mm (from Z=0.0 to Z=149.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00617", "image": "images/Shaft_00617.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø61.0 mm and length at least 299.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.0 mm over length 34.9 mm (from Z=0.0 to Z=34.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø48.9 mm over length 84.9 mm (from Z=0.0 to Z=259.9).\n10. Finish turn diameter Ø32.6 mm over length 24.3 mm (from Z=0.0 to Z=175.0).\n11. Finish turn diameter Ø30.0 mm over length 150.7 mm (from Z=0.0 to Z=150.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00697", "image": "images/Shaft_00697.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø65.9 mm and length at least 175.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.9 mm over length 52.3 mm (from Z=0.0 to Z=52.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø58.7 mm over length 36.2 mm (from Z=0.0 to Z=117.9).\n9. Finish turn diameter Ø47.3 mm over length 20.6 mm (from Z=0.0 to Z=81.7).\n10. Finish turn diameter Ø30.0 mm over length 61.1 mm (from Z=0.0 to Z=61.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00050", "image": "images/Shaft_00050.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø44.4 mm and length at least 236.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.4 mm over length 37.6 mm (from Z=0.0 to Z=37.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.5 mm over length 71.7 mm (from Z=0.0 to Z=193.9).\n10. Finish turn diameter Ø30.0 mm over length 122.2 mm (from Z=0.0 to Z=122.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00211", "image": "images/Shaft_00211.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 317.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 199.0 mm (from Z=0.0 to Z=199.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø24.2 mm over length 113.6 mm (from Z=0.0 to Z=113.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00381", "image": "images/Shaft_00381.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø60.7 mm and length at least 114.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.7 mm over length 17.3 mm (from Z=0.0 to Z=17.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø45.5 mm over length 40.7 mm (from Z=0.0 to Z=92.3).\n9. Finish turn diameter Ø30.0 mm over length 51.6 mm (from Z=0.0 to Z=51.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00883", "image": "images/Shaft_00883.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø69.3 mm and length at least 90.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.3 mm over length 22.5 mm (from Z=0.0 to Z=22.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.2 mm over length 8.7 mm (from Z=0.0 to Z=63.4).\n9. Finish turn diameter Ø58.3 mm over length 28.8 mm (from Z=0.0 to Z=54.7).\n10. Finish turn diameter Ø40.1 mm over length 25.9 mm (from Z=0.0 to Z=25.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00173", "image": "images/Shaft_00173.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 96.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 75.1 mm (from Z=0.0 to Z=75.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø24.4 mm over length 16.3 mm (from Z=0.0 to Z=16.3).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00147", "image": "images/Shaft_00147.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø75.2 mm and length at least 156.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.2 mm over length 43.0 mm (from Z=0.0 to Z=43.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø61.6 mm over length 35.4 mm (from Z=0.0 to Z=108.4).\n9. Finish turn diameter Ø57.0 mm over length 73.0 mm (from Z=0.0 to Z=73.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00419", "image": "images/Shaft_00419.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.5 mm and length at least 230.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.5 mm over length 10.0 mm (from Z=0.0 to Z=10.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø51.2 mm over length 57.8 mm (from Z=0.0 to Z=215.0).\n10. Finish turn diameter Ø46.7 mm over length 30.8 mm (from Z=0.0 to Z=157.2).\n11. Finish turn diameter Ø30.4 mm over length 51.4 mm (from Z=0.0 to Z=126.4).\n12. Finish turn diameter Ø30.0 mm over length 75.0 mm (from Z=0.0 to Z=75.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00961", "image": "images/Shaft_00961.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø39.7 mm and length at least 189.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.7 mm over length 34.2 mm (from Z=0.0 to Z=34.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 150.1 mm (from Z=0.0 to Z=150.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00148", "image": "images/Shaft_00148.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø67.5 mm and length at least 189.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.5 mm over length 44.2 mm (from Z=0.0 to Z=44.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø57.4 mm over length 22.1 mm (from Z=0.0 to Z=140.6).\n9. Finish turn diameter Ø52.5 mm over length 68.3 mm (from Z=0.0 to Z=118.5).\n10. Finish turn diameter Ø40.8 mm over length 50.2 mm (from Z=0.0 to Z=50.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00975", "image": "images/Shaft_00975.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.4 mm and length at least 165.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.4 mm over length 45.2 mm (from Z=0.0 to Z=45.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø61.1 mm over length 42.9 mm (from Z=0.0 to Z=114.8).\n9. Finish turn diameter Ø54.7 mm over length 21.6 mm (from Z=0.0 to Z=71.9).\n10. Finish turn diameter Ø41.9 mm over length 25.6 mm (from Z=0.0 to Z=50.3).\n11. Finish turn diameter Ø36.2 mm over length 24.7 mm (from Z=0.0 to Z=24.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00079", "image": "images/Shaft_00079.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø34.0 mm and length at least 263.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.0 mm over length 36.0 mm (from Z=0.0 to Z=36.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 222.2 mm (from Z=0.0 to Z=222.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00775", "image": "images/Shaft_00775.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.4 mm and length at least 228.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.4 mm over length 61.4 mm (from Z=0.0 to Z=61.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø71.9 mm over length 6.0 mm (from Z=0.0 to Z=162.2).\n10. Finish turn diameter Ø62.5 mm over length 27.0 mm (from Z=0.0 to Z=156.2).\n11. Finish turn diameter Ø46.7 mm over length 44.5 mm (from Z=0.0 to Z=129.2).\n12. Finish turn diameter Ø40.8 mm over length 47.4 mm (from Z=0.0 to Z=84.7).\n13. Finish turn diameter Ø30.0 mm over length 37.3 mm (from Z=0.0 to Z=37.3).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00302", "image": "images/Shaft_00302.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø42.7 mm and length at least 102.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.7 mm over length 22.4 mm (from Z=0.0 to Z=22.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 75.3 mm (from Z=0.0 to Z=75.3).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00995", "image": "images/Shaft_00995.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø60.3 mm and length at least 292.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.3 mm over length 30.5 mm (from Z=0.0 to Z=30.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.3 mm over length 56.5 mm (from Z=0.0 to Z=256.6).\n10. Finish turn diameter Ø30.0 mm over length 200.1 mm (from Z=0.0 to Z=200.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00525", "image": "images/Shaft_00525.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø35.9 mm and length at least 90.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.9 mm over length 14.0 mm (from Z=0.0 to Z=14.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 71.9 mm (from Z=0.0 to Z=71.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00774", "image": "images/Shaft_00774.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø61.2 mm and length at least 272.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.2 mm over length 57.7 mm (from Z=0.0 to Z=57.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.2 mm over length 59.7 mm (from Z=0.0 to Z=209.9).\n10. Finish turn diameter Ø30.0 mm over length 150.2 mm (from Z=0.0 to Z=150.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00231", "image": "images/Shaft_00231.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.3 mm and length at least 136.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.3 mm over length 19.3 mm (from Z=0.0 to Z=19.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.8 mm over length 27.2 mm (from Z=0.0 to Z=112.1).\n9. Finish turn diameter Ø43.0 mm over length 6.4 mm (from Z=0.0 to Z=84.9).\n10. Finish turn diameter Ø30.0 mm over length 78.5 mm (from Z=0.0 to Z=78.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00625", "image": "images/Shaft_00625.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 252.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 206.7 mm (from Z=0.0 to Z=206.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø28.5 mm over length 40.3 mm (from Z=0.0 to Z=40.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00800", "image": "images/Shaft_00800.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 133.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 121.4 mm (from Z=0.0 to Z=121.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.0 mm over length 7.3 mm (from Z=0.0 to Z=7.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00561", "image": "images/Shaft_00561.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 247.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 193.2 mm (from Z=0.0 to Z=193.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.1 mm over length 49.5 mm (from Z=0.0 to Z=49.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00509", "image": "images/Shaft_00509.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 263.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 221.4 mm (from Z=0.0 to Z=221.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.3 mm over length 37.1 mm (from Z=0.0 to Z=37.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00840", "image": "images/Shaft_00840.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø68.5 mm and length at least 258.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.5 mm over length 29.6 mm (from Z=0.0 to Z=29.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.5 mm over length 29.0 mm (from Z=0.0 to Z=223.6).\n10. Finish turn diameter Ø45.9 mm over length 70.4 mm (from Z=0.0 to Z=194.6).\n11. Finish turn diameter Ø37.9 mm over length 32.3 mm (from Z=0.0 to Z=124.2).\n12. Finish turn diameter Ø30.0 mm over length 91.9 mm (from Z=0.0 to Z=91.9).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00494", "image": "images/Shaft_00494.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.2 mm and length at least 283.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.2 mm over length 64.6 mm (from Z=0.0 to Z=64.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.0 mm over length 44.5 mm (from Z=0.0 to Z=214.3).\n10. Finish turn diameter Ø52.2 mm over length 15.6 mm (from Z=0.0 to Z=169.8).\n11. Finish turn diameter Ø35.7 mm over length 49.8 mm (from Z=0.0 to Z=154.2).\n12. Finish turn diameter Ø30.0 mm over length 104.4 mm (from Z=0.0 to Z=104.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00119", "image": "images/Shaft_00119.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø58.0 mm and length at least 271.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.0 mm over length 35.0 mm (from Z=0.0 to Z=35.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.2 mm over length 21.7 mm (from Z=0.0 to Z=231.1).\n10. Finish turn diameter Ø30.0 mm over length 209.4 mm (from Z=0.0 to Z=209.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00477", "image": "images/Shaft_00477.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.9 mm and length at least 193.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.9 mm over length 29.8 mm (from Z=0.0 to Z=29.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø41.9 mm over length 49.0 mm (from Z=0.0 to Z=159.1).\n9. Finish turn diameter Ø37.9 mm over length 36.6 mm (from Z=0.0 to Z=110.1).\n10. Finish turn diameter Ø30.0 mm over length 73.5 mm (from Z=0.0 to Z=73.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00144", "image": "images/Shaft_00144.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø34.6 mm and length at least 123.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.6 mm over length 16.4 mm (from Z=0.0 to Z=16.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 101.9 mm (from Z=0.0 to Z=101.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00029", "image": "images/Shaft_00029.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø62.0 mm and length at least 256.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.0 mm over length 36.6 mm (from Z=0.0 to Z=36.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø55.1 mm over length 115.6 mm (from Z=0.0 to Z=214.8).\n10. Finish turn diameter Ø36.6 mm over length 99.2 mm (from Z=0.0 to Z=99.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00910", "image": "images/Shaft_00910.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø33.3 mm and length at least 247.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.3 mm over length 13.4 mm (from Z=0.0 to Z=13.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 229.2 mm (from Z=0.0 to Z=229.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00121", "image": "images/Shaft_00121.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø54.8 mm and length at least 235.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.8 mm over length 36.9 mm (from Z=0.0 to Z=36.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.2 mm over length 49.0 mm (from Z=0.0 to Z=193.6).\n10. Finish turn diameter Ø33.0 mm over length 38.9 mm (from Z=0.0 to Z=144.6).\n11. Finish turn diameter Ø30.0 mm over length 105.7 mm (from Z=0.0 to Z=105.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00605", "image": "images/Shaft_00605.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø46.4 mm and length at least 105.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.4 mm over length 20.0 mm (from Z=0.0 to Z=20.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø40.1 mm over length 7.2 mm (from Z=0.0 to Z=80.8).\n9. Finish turn diameter Ø30.0 mm over length 73.6 mm (from Z=0.0 to Z=73.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00061", "image": "images/Shaft_00061.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.4 mm and length at least 287.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.4 mm over length 73.7 mm (from Z=0.0 to Z=73.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 209.0 mm (from Z=0.0 to Z=209.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00871", "image": "images/Shaft_00871.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø79.3 mm and length at least 209.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.3 mm over length 107.4 mm (from Z=0.0 to Z=107.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.5 mm over length 67.2 mm (from Z=0.0 to Z=97.4).\n10. Finish turn diameter Ø43.2 mm over length 30.2 mm (from Z=0.0 to Z=30.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00572", "image": "images/Shaft_00572.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø52.7 mm and length at least 157.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.7 mm over length 16.0 mm (from Z=0.0 to Z=16.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.2 mm over length 88.9 mm (from Z=0.0 to Z=136.6).\n9. Finish turn diameter Ø30.0 mm over length 47.7 mm (from Z=0.0 to Z=47.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00005", "image": "images/Shaft_00005.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø33.8 mm and length at least 228.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.8 mm over length 22.4 mm (from Z=0.0 to Z=22.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 200.9 mm (from Z=0.0 to Z=200.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00926", "image": "images/Shaft_00926.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø62.5 mm and length at least 236.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.5 mm over length 72.3 mm (from Z=0.0 to Z=72.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø46.2 mm over length 101.0 mm (from Z=0.0 to Z=159.6).\n10. Finish turn diameter Ø39.2 mm over length 58.6 mm (from Z=0.0 to Z=58.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00639", "image": "images/Shaft_00639.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 156.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 121.5 mm (from Z=0.0 to Z=121.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.8 mm over length 29.5 mm (from Z=0.0 to Z=29.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00439", "image": "images/Shaft_00439.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø81.9 mm and length at least 319.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.9 mm over length 73.6 mm (from Z=0.0 to Z=73.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø68.7 mm over length 121.1 mm (from Z=0.0 to Z=241.2).\n10. Finish turn diameter Ø63.1 mm over length 63.0 mm (from Z=0.0 to Z=120.1).\n11. Finish turn diameter Ø51.9 mm over length 28.7 mm (from Z=0.0 to Z=57.1).\n12. Finish turn diameter Ø46.7 mm over length 28.4 mm (from Z=0.0 to Z=28.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00729", "image": "images/Shaft_00729.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø38.1 mm and length at least 79.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.1 mm over length 18.5 mm (from Z=0.0 to Z=18.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 55.6 mm (from Z=0.0 to Z=55.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00193", "image": "images/Shaft_00193.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.6 mm and length at least 98.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.6 mm over length 10.2 mm (from Z=0.0 to Z=10.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 82.9 mm (from Z=0.0 to Z=82.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00752", "image": "images/Shaft_00752.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø71.7 mm and length at least 112.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.7 mm over length 45.2 mm (from Z=0.0 to Z=45.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.2 mm over length 40.6 mm (from Z=0.0 to Z=61.9).\n9. Finish turn diameter Ø54.2 mm over length 21.3 mm (from Z=0.0 to Z=21.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00626", "image": "images/Shaft_00626.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø37.7 mm and length at least 257.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.7 mm over length 58.2 mm (from Z=0.0 to Z=58.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 194.1 mm (from Z=0.0 to Z=194.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00571", "image": "images/Shaft_00571.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø72.3 mm and length at least 216.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.3 mm over length 18.9 mm (from Z=0.0 to Z=18.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.8 mm over length 47.5 mm (from Z=0.0 to Z=192.7).\n10. Finish turn diameter Ø50.6 mm over length 56.8 mm (from Z=0.0 to Z=145.2).\n11. Finish turn diameter Ø34.7 mm over length 14.0 mm (from Z=0.0 to Z=88.4).\n12. Finish turn diameter Ø30.0 mm over length 74.4 mm (from Z=0.0 to Z=74.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00017", "image": "images/Shaft_00017.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø33.5 mm and length at least 162.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.5 mm over length 31.3 mm (from Z=0.0 to Z=31.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 126.5 mm (from Z=0.0 to Z=126.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00742", "image": "images/Shaft_00742.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø67.1 mm and length at least 67.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.1 mm over length 7.3 mm (from Z=0.0 to Z=7.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø56.1 mm over length 5.0 mm (from Z=0.0 to Z=55.0).\n9. Finish turn diameter Ø43.6 mm over length 11.9 mm (from Z=0.0 to Z=50.0).\n10. Finish turn diameter Ø30.0 mm over length 38.1 mm (from Z=0.0 to Z=38.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00914", "image": "images/Shaft_00914.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 69.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 58.8 mm (from Z=0.0 to Z=58.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø21.9 mm over length 6.0 mm (from Z=0.0 to Z=6.0).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00510", "image": "images/Shaft_00510.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø80.0 mm and length at least 227.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.0 mm over length 55.5 mm (from Z=0.0 to Z=55.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø65.1 mm over length 29.0 mm (from Z=0.0 to Z=166.5).\n10. Finish turn diameter Ø56.2 mm over length 34.8 mm (from Z=0.0 to Z=137.5).\n11. Finish turn diameter Ø42.9 mm over length 40.2 mm (from Z=0.0 to Z=102.7).\n12. Finish turn diameter Ø31.0 mm over length 62.5 mm (from Z=0.0 to Z=62.5).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00573", "image": "images/Shaft_00573.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø48.1 mm and length at least 226.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.1 mm over length 14.9 mm (from Z=0.0 to Z=14.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.2 mm over length 77.2 mm (from Z=0.0 to Z=206.5).\n10. Finish turn diameter Ø30.0 mm over length 129.3 mm (from Z=0.0 to Z=129.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00138", "image": "images/Shaft_00138.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø53.5 mm and length at least 214.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.5 mm over length 38.7 mm (from Z=0.0 to Z=38.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.2 mm over length 43.0 mm (from Z=0.0 to Z=170.6).\n10. Finish turn diameter Ø30.0 mm over length 127.6 mm (from Z=0.0 to Z=127.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00191", "image": "images/Shaft_00191.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø46.4 mm and length at least 211.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.4 mm over length 50.2 mm (from Z=0.0 to Z=50.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.4 mm over length 53.6 mm (from Z=0.0 to Z=156.7).\n10. Finish turn diameter Ø30.0 mm over length 103.1 mm (from Z=0.0 to Z=103.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00004", "image": "images/Shaft_00004.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 93.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 71.8 mm (from Z=0.0 to Z=71.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø28.4 mm over length 16.8 mm (from Z=0.0 to Z=16.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00443", "image": "images/Shaft_00443.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø76.0 mm and length at least 270.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.0 mm over length 58.1 mm (from Z=0.0 to Z=58.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.5 mm over length 28.9 mm (from Z=0.0 to Z=207.2).\n10. Finish turn diameter Ø56.3 mm over length 48.6 mm (from Z=0.0 to Z=178.3).\n11. Finish turn diameter Ø38.3 mm over length 40.6 mm (from Z=0.0 to Z=129.7).\n12. Finish turn diameter Ø30.0 mm over length 89.1 mm (from Z=0.0 to Z=89.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00020", "image": "images/Shaft_00020.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø76.6 mm and length at least 296.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.6 mm over length 76.9 mm (from Z=0.0 to Z=76.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.8 mm over length 96.6 mm (from Z=0.0 to Z=214.8).\n10. Finish turn diameter Ø48.9 mm over length 39.2 mm (from Z=0.0 to Z=118.2).\n11. Finish turn diameter Ø39.4 mm over length 79.0 mm (from Z=0.0 to Z=79.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00213", "image": "images/Shaft_00213.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø58.0 mm and length at least 308.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.0 mm over length 11.6 mm (from Z=0.0 to Z=11.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.8 mm over length 69.1 mm (from Z=0.0 to Z=292.3).\n10. Finish turn diameter Ø38.3 mm over length 64.1 mm (from Z=0.0 to Z=223.2).\n11. Finish turn diameter Ø30.2 mm over length 93.3 mm (from Z=0.0 to Z=159.1).\n12. Finish turn diameter Ø30.0 mm over length 65.8 mm (from Z=0.0 to Z=65.8).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00064", "image": "images/Shaft_00064.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø60.2 mm and length at least 210.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.2 mm over length 35.1 mm (from Z=0.0 to Z=35.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.7 mm over length 27.9 mm (from Z=0.0 to Z=169.9).\n10. Finish turn diameter Ø31.4 mm over length 76.9 mm (from Z=0.0 to Z=142.0).\n11. Finish turn diameter Ø30.0 mm over length 65.1 mm (from Z=0.0 to Z=65.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00411", "image": "images/Shaft_00411.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø74.0 mm and length at least 106.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.0 mm over length 26.1 mm (from Z=0.0 to Z=26.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.7 mm over length 23.6 mm (from Z=0.0 to Z=75.4).\n9. Finish turn diameter Ø55.9 mm over length 5.0 mm (from Z=0.0 to Z=51.8).\n10. Finish turn diameter Ø39.3 mm over length 22.8 mm (from Z=0.0 to Z=46.8).\n11. Finish turn diameter Ø30.0 mm over length 24.0 mm (from Z=0.0 to Z=24.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00301", "image": "images/Shaft_00301.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø47.0 mm and length at least 169.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.0 mm over length 46.9 mm (from Z=0.0 to Z=46.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.1 mm over length 22.8 mm (from Z=0.0 to Z=117.4).\n10. Finish turn diameter Ø30.0 mm over length 94.6 mm (from Z=0.0 to Z=94.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00333", "image": "images/Shaft_00333.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.1 mm and length at least 202.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.1 mm over length 48.5 mm (from Z=0.0 to Z=48.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø64.8 mm over length 71.6 mm (from Z=0.0 to Z=149.4).\n10. Finish turn diameter Ø47.4 mm over length 14.4 mm (from Z=0.0 to Z=77.8).\n11. Finish turn diameter Ø30.0 mm over length 63.4 mm (from Z=0.0 to Z=63.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00192", "image": "images/Shaft_00192.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø38.6 mm and length at least 261.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.6 mm over length 35.6 mm (from Z=0.0 to Z=35.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 220.5 mm (from Z=0.0 to Z=220.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00664", "image": "images/Shaft_00664.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø49.3 mm and length at least 184.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.3 mm over length 64.0 mm (from Z=0.0 to Z=64.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø40.3 mm over length 66.6 mm (from Z=0.0 to Z=115.4).\n9. Finish turn diameter Ø33.2 mm over length 48.8 mm (from Z=0.0 to Z=48.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00262", "image": "images/Shaft_00262.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.6 mm and length at least 111.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.6 mm over length 46.7 mm (from Z=0.0 to Z=46.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 59.9 mm (from Z=0.0 to Z=59.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00647", "image": "images/Shaft_00647.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 287.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 171.9 mm (from Z=0.0 to Z=171.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.8 mm over length 110.3 mm (from Z=0.0 to Z=110.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00810", "image": "images/Shaft_00810.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø37.0 mm and length at least 273.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.0 mm over length 53.8 mm (from Z=0.0 to Z=53.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.5 mm over length 25.8 mm (from Z=0.0 to Z=214.7).\n10. Finish turn diameter Ø30.0 mm over length 188.9 mm (from Z=0.0 to Z=188.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00232", "image": "images/Shaft_00232.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø50.3 mm and length at least 221.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.3 mm over length 45.7 mm (from Z=0.0 to Z=45.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 170.6 mm (from Z=0.0 to Z=170.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00795", "image": "images/Shaft_00795.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø47.7 mm and length at least 293.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.7 mm over length 55.2 mm (from Z=0.0 to Z=55.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.9 mm over length 38.1 mm (from Z=0.0 to Z=233.2).\n10. Finish turn diameter Ø33.0 mm over length 22.4 mm (from Z=0.0 to Z=195.1).\n11. Finish turn diameter Ø30.0 mm over length 172.7 mm (from Z=0.0 to Z=172.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00681", "image": "images/Shaft_00681.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø66.7 mm and length at least 314.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.7 mm over length 69.9 mm (from Z=0.0 to Z=69.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.5 mm over length 63.6 mm (from Z=0.0 to Z=239.7).\n10. Finish turn diameter Ø50.9 mm over length 14.2 mm (from Z=0.0 to Z=176.1).\n11. Finish turn diameter Ø38.8 mm over length 67.5 mm (from Z=0.0 to Z=161.9).\n12. Finish turn diameter Ø33.9 mm over length 28.1 mm (from Z=0.0 to Z=94.4).\n13. Finish turn diameter Ø30.0 mm over length 66.3 mm (from Z=0.0 to Z=66.3).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00804", "image": "images/Shaft_00804.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø38.6 mm and length at least 216.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.6 mm over length 68.3 mm (from Z=0.0 to Z=68.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 143.3 mm (from Z=0.0 to Z=143.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00482", "image": "images/Shaft_00482.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.3 mm and length at least 231.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.3 mm over length 28.0 mm (from Z=0.0 to Z=28.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.4 mm over length 62.8 mm (from Z=0.0 to Z=198.2).\n10. Finish turn diameter Ø35.4 mm over length 105.9 mm (from Z=0.0 to Z=135.4).\n11. Finish turn diameter Ø30.0 mm over length 29.5 mm (from Z=0.0 to Z=29.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00360", "image": "images/Shaft_00360.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø35.0 mm and length at least 251.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.0 mm over length 27.9 mm (from Z=0.0 to Z=27.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 218.4 mm (from Z=0.0 to Z=218.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00838", "image": "images/Shaft_00838.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 108.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 82.2 mm (from Z=0.0 to Z=82.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø29.8 mm over length 21.5 mm (from Z=0.0 to Z=21.5).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00236", "image": "images/Shaft_00236.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø69.4 mm and length at least 228.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.4 mm over length 36.7 mm (from Z=0.0 to Z=36.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø56.6 mm over length 37.9 mm (from Z=0.0 to Z=187.1).\n10. Finish turn diameter Ø36.8 mm over length 58.8 mm (from Z=0.0 to Z=149.2).\n11. Finish turn diameter Ø30.0 mm over length 90.4 mm (from Z=0.0 to Z=90.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00627", "image": "images/Shaft_00627.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø61.1 mm and length at least 113.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.1 mm over length 55.5 mm (from Z=0.0 to Z=55.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø56.0 mm over length 19.8 mm (from Z=0.0 to Z=53.4).\n9. Finish turn diameter Ø40.7 mm over length 33.6 mm (from Z=0.0 to Z=33.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00957", "image": "images/Shaft_00957.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 293.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 228.0 mm (from Z=0.0 to Z=228.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø25.8 mm over length 60.9 mm (from Z=0.0 to Z=60.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00582", "image": "images/Shaft_00582.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø44.4 mm and length at least 247.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.4 mm over length 33.1 mm (from Z=0.0 to Z=33.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.0 mm over length 45.5 mm (from Z=0.0 to Z=209.7).\n10. Finish turn diameter Ø30.0 mm over length 164.2 mm (from Z=0.0 to Z=164.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00272", "image": "images/Shaft_00272.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø52.8 mm and length at least 78.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.8 mm over length 12.8 mm (from Z=0.0 to Z=12.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.2 mm over length 18.1 mm (from Z=0.0 to Z=60.2).\n9. Finish turn diameter Ø30.0 mm over length 42.1 mm (from Z=0.0 to Z=42.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00201", "image": "images/Shaft_00201.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø68.7 mm and length at least 130.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.7 mm over length 17.6 mm (from Z=0.0 to Z=17.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.8 mm over length 25.5 mm (from Z=0.0 to Z=107.8).\n9. Finish turn diameter Ø32.3 mm over length 30.1 mm (from Z=0.0 to Z=82.3).\n10. Finish turn diameter Ø30.0 mm over length 52.2 mm (from Z=0.0 to Z=52.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00013", "image": "images/Shaft_00013.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø51.2 mm and length at least 312.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.2 mm over length 108.4 mm (from Z=0.0 to Z=108.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.6 mm over length 75.6 mm (from Z=0.0 to Z=198.9).\n10. Finish turn diameter Ø32.2 mm over length 91.7 mm (from Z=0.0 to Z=123.3).\n11. Finish turn diameter Ø30.0 mm over length 31.6 mm (from Z=0.0 to Z=31.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00427", "image": "images/Shaft_00427.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.4 mm and length at least 125.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.4 mm over length 36.7 mm (from Z=0.0 to Z=36.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 84.1 mm (from Z=0.0 to Z=84.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00239", "image": "images/Shaft_00239.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø37.4 mm and length at least 115.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.4 mm over length 69.4 mm (from Z=0.0 to Z=69.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 41.1 mm (from Z=0.0 to Z=41.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00084", "image": "images/Shaft_00084.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 78.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 62.5 mm (from Z=0.0 to Z=62.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø22.3 mm over length 10.8 mm (from Z=0.0 to Z=10.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00532", "image": "images/Shaft_00532.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø52.5 mm and length at least 79.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.5 mm over length 17.3 mm (from Z=0.0 to Z=17.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.0 mm over length 19.5 mm (from Z=0.0 to Z=56.9).\n9. Finish turn diameter Ø30.0 mm over length 37.4 mm (from Z=0.0 to Z=37.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00172", "image": "images/Shaft_00172.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø44.9 mm and length at least 188.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.9 mm over length 33.9 mm (from Z=0.0 to Z=33.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 149.9 mm (from Z=0.0 to Z=149.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00289", "image": "images/Shaft_00289.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø80.4 mm and length at least 153.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.4 mm over length 28.7 mm (from Z=0.0 to Z=28.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.3 mm over length 14.2 mm (from Z=0.0 to Z=119.6).\n9. Finish turn diameter Ø51.5 mm over length 6.5 mm (from Z=0.0 to Z=105.4).\n10. Finish turn diameter Ø32.0 mm over length 24.8 mm (from Z=0.0 to Z=98.9).\n11. Finish turn diameter Ø30.0 mm over length 74.1 mm (from Z=0.0 to Z=74.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00485", "image": "images/Shaft_00485.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.5 mm and length at least 219.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.5 mm over length 32.5 mm (from Z=0.0 to Z=32.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø69.1 mm over length 57.4 mm (from Z=0.0 to Z=182.3).\n10. Finish turn diameter Ø59.9 mm over length 21.8 mm (from Z=0.0 to Z=124.9).\n11. Finish turn diameter Ø53.6 mm over length 59.6 mm (from Z=0.0 to Z=103.1).\n12. Finish turn diameter Ø48.9 mm over length 6.8 mm (from Z=0.0 to Z=43.5).\n13. Finish turn diameter Ø36.6 mm over length 36.7 mm (from Z=0.0 to Z=36.7).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00329", "image": "images/Shaft_00329.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 308.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 158.0 mm (from Z=0.0 to Z=158.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.7 mm over length 145.0 mm (from Z=0.0 to Z=145.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00683", "image": "images/Shaft_00683.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.7 mm and length at least 141.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.7 mm over length 40.6 mm (from Z=0.0 to Z=40.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 96.0 mm (from Z=0.0 to Z=96.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00318", "image": "images/Shaft_00318.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.3 mm and length at least 226.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.3 mm over length 71.3 mm (from Z=0.0 to Z=71.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.1 mm over length 25.1 mm (from Z=0.0 to Z=150.5).\n10. Finish turn diameter Ø54.4 mm over length 69.0 mm (from Z=0.0 to Z=125.4).\n11. Finish turn diameter Ø51.2 mm over length 14.4 mm (from Z=0.0 to Z=56.4).\n12. Finish turn diameter Ø38.3 mm over length 42.0 mm (from Z=0.0 to Z=42.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00454", "image": "images/Shaft_00454.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø49.1 mm and length at least 277.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.1 mm over length 64.8 mm (from Z=0.0 to Z=64.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 207.9 mm (from Z=0.0 to Z=207.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00249", "image": "images/Shaft_00249.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø65.1 mm and length at least 269.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.1 mm over length 61.5 mm (from Z=0.0 to Z=61.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.1 mm over length 36.3 mm (from Z=0.0 to Z=203.2).\n10. Finish turn diameter Ø37.0 mm over length 31.5 mm (from Z=0.0 to Z=166.9).\n11. Finish turn diameter Ø30.0 mm over length 135.4 mm (from Z=0.0 to Z=135.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00846", "image": "images/Shaft_00846.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø50.0 mm and length at least 99.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.0 mm over length 8.0 mm (from Z=0.0 to Z=8.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 86.4 mm (from Z=0.0 to Z=86.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00279", "image": "images/Shaft_00279.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø57.2 mm and length at least 303.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.2 mm over length 110.6 mm (from Z=0.0 to Z=110.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.7 mm over length 31.1 mm (from Z=0.0 to Z=187.5).\n10. Finish turn diameter Ø35.2 mm over length 119.9 mm (from Z=0.0 to Z=156.4).\n11. Finish turn diameter Ø31.0 mm over length 36.5 mm (from Z=0.0 to Z=36.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00455", "image": "images/Shaft_00455.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø66.0 mm and length at least 164.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.0 mm over length 34.8 mm (from Z=0.0 to Z=34.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.9 mm over length 50.0 mm (from Z=0.0 to Z=124.6).\n9. Finish turn diameter Ø43.1 mm over length 20.5 mm (from Z=0.0 to Z=74.6).\n10. Finish turn diameter Ø34.4 mm over length 54.1 mm (from Z=0.0 to Z=54.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00901", "image": "images/Shaft_00901.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.4 mm and length at least 212.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.4 mm over length 56.5 mm (from Z=0.0 to Z=56.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.0 mm over length 126.4 mm (from Z=0.0 to Z=150.6).\n10. Finish turn diameter Ø52.9 mm over length 24.2 mm (from Z=0.0 to Z=24.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00761", "image": "images/Shaft_00761.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø41.2 mm and length at least 124.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.2 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 114.3 mm (from Z=0.0 to Z=114.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00547", "image": "images/Shaft_00547.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø43.8 mm and length at least 215.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.8 mm over length 62.1 mm (from Z=0.0 to Z=62.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 148.6 mm (from Z=0.0 to Z=148.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00180", "image": "images/Shaft_00180.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.0 mm and length at least 146.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.0 mm over length 30.8 mm (from Z=0.0 to Z=30.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.3 mm over length 26.9 mm (from Z=0.0 to Z=110.3).\n9. Finish turn diameter Ø62.2 mm over length 33.5 mm (from Z=0.0 to Z=83.4).\n10. Finish turn diameter Ø58.1 mm over length 20.5 mm (from Z=0.0 to Z=49.9).\n11. Finish turn diameter Ø41.6 mm over length 19.4 mm (from Z=0.0 to Z=29.4).\n12. Finish turn diameter Ø30.0 mm over length 10.0 mm (from Z=0.0 to Z=10.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00557", "image": "images/Shaft_00557.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø40.7 mm and length at least 275.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.7 mm over length 97.8 mm (from Z=0.0 to Z=97.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 172.9 mm (from Z=0.0 to Z=172.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00628", "image": "images/Shaft_00628.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø71.0 mm and length at least 168.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.0 mm over length 39.5 mm (from Z=0.0 to Z=39.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø55.4 mm over length 25.7 mm (from Z=0.0 to Z=124.1).\n9. Finish turn diameter Ø47.8 mm over length 19.8 mm (from Z=0.0 to Z=98.4).\n10. Finish turn diameter Ø44.2 mm over length 34.7 mm (from Z=0.0 to Z=78.6).\n11. Finish turn diameter Ø33.8 mm over length 17.7 mm (from Z=0.0 to Z=43.9).\n12. Finish turn diameter Ø30.0 mm over length 26.2 mm (from Z=0.0 to Z=26.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00423", "image": "images/Shaft_00423.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø34.8 mm and length at least 249.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.8 mm over length 53.1 mm (from Z=0.0 to Z=53.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 191.0 mm (from Z=0.0 to Z=191.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00843", "image": "images/Shaft_00843.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø39.4 mm and length at least 219.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.4 mm over length 67.8 mm (from Z=0.0 to Z=67.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 147.1 mm (from Z=0.0 to Z=147.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00010", "image": "images/Shaft_00010.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø36.8 mm and length at least 98.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.8 mm over length 31.0 mm (from Z=0.0 to Z=31.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 62.8 mm (from Z=0.0 to Z=62.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00199", "image": "images/Shaft_00199.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø38.8 mm and length at least 141.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.8 mm over length 30.4 mm (from Z=0.0 to Z=30.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 105.9 mm (from Z=0.0 to Z=105.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00425", "image": "images/Shaft_00425.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø48.8 mm and length at least 205.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.8 mm over length 53.7 mm (from Z=0.0 to Z=53.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.8 mm over length 49.4 mm (from Z=0.0 to Z=146.4).\n10. Finish turn diameter Ø30.0 mm over length 97.0 mm (from Z=0.0 to Z=97.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00534", "image": "images/Shaft_00534.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø42.5 mm and length at least 117.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.5 mm over length 13.4 mm (from Z=0.0 to Z=13.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 99.4 mm (from Z=0.0 to Z=99.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00031", "image": "images/Shaft_00031.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø34.3 mm and length at least 212.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.3 mm over length 45.7 mm (from Z=0.0 to Z=45.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 162.1 mm (from Z=0.0 to Z=162.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00579", "image": "images/Shaft_00579.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.9 mm and length at least 299.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.9 mm over length 125.2 mm (from Z=0.0 to Z=125.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 169.7 mm (from Z=0.0 to Z=169.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00404", "image": "images/Shaft_00404.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 76.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 65.0 mm (from Z=0.0 to Z=65.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø18.4 mm over length 6.9 mm (from Z=0.0 to Z=6.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00277", "image": "images/Shaft_00277.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.5 mm and length at least 79.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.5 mm over length 27.3 mm (from Z=0.0 to Z=27.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.1 mm over length 19.2 mm (from Z=0.0 to Z=46.9).\n9. Finish turn diameter Ø61.5 mm over length 6.3 mm (from Z=0.0 to Z=27.7).\n10. Finish turn diameter Ø54.6 mm over length 5.0 mm (from Z=0.0 to Z=21.4).\n11. Finish turn diameter Ø40.5 mm over length 16.4 mm (from Z=0.0 to Z=16.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00444", "image": "images/Shaft_00444.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 274.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 172.4 mm (from Z=0.0 to Z=172.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.6 mm over length 97.0 mm (from Z=0.0 to Z=97.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00771", "image": "images/Shaft_00771.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø48.5 mm and length at least 190.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.5 mm over length 45.3 mm (from Z=0.0 to Z=45.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø32.1 mm over length 30.1 mm (from Z=0.0 to Z=140.1).\n10. Finish turn diameter Ø30.0 mm over length 110.0 mm (from Z=0.0 to Z=110.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00372", "image": "images/Shaft_00372.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.7 mm and length at least 305.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.7 mm over length 152.9 mm (from Z=0.0 to Z=152.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 147.3 mm (from Z=0.0 to Z=147.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00722", "image": "images/Shaft_00722.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø67.3 mm and length at least 91.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.3 mm over length 27.2 mm (from Z=0.0 to Z=27.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.9 mm over length 5.0 mm (from Z=0.0 to Z=59.5).\n9. Finish turn diameter Ø41.6 mm over length 17.7 mm (from Z=0.0 to Z=54.5).\n10. Finish turn diameter Ø30.0 mm over length 36.8 mm (from Z=0.0 to Z=36.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00400", "image": "images/Shaft_00400.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.6 mm and length at least 180.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.6 mm over length 15.9 mm (from Z=0.0 to Z=15.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 159.7 mm (from Z=0.0 to Z=159.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00078", "image": "images/Shaft_00078.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø48.5 mm and length at least 169.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.5 mm over length 44.7 mm (from Z=0.0 to Z=44.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.8 mm over length 69.4 mm (from Z=0.0 to Z=119.9).\n9. Finish turn diameter Ø30.0 mm over length 50.5 mm (from Z=0.0 to Z=50.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00537", "image": "images/Shaft_00537.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø35.2 mm and length at least 96.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.2 mm over length 13.8 mm (from Z=0.0 to Z=13.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 77.8 mm (from Z=0.0 to Z=77.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00575", "image": "images/Shaft_00575.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø77.4 mm and length at least 285.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.4 mm over length 27.7 mm (from Z=0.0 to Z=27.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø67.6 mm over length 8.4 mm (from Z=0.0 to Z=252.9).\n10. Finish turn diameter Ø58.6 mm over length 73.5 mm (from Z=0.0 to Z=244.5).\n11. Finish turn diameter Ø45.1 mm over length 44.7 mm (from Z=0.0 to Z=171.0).\n12. Finish turn diameter Ø30.0 mm over length 126.3 mm (from Z=0.0 to Z=126.3).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00548", "image": "images/Shaft_00548.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø70.7 mm and length at least 261.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.7 mm over length 41.9 mm (from Z=0.0 to Z=41.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.6 mm over length 58.7 mm (from Z=0.0 to Z=214.2).\n10. Finish turn diameter Ø46.1 mm over length 45.5 mm (from Z=0.0 to Z=155.5).\n11. Finish turn diameter Ø36.8 mm over length 110.0 mm (from Z=0.0 to Z=110.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00710", "image": "images/Shaft_00710.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø50.5 mm and length at least 215.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.5 mm over length 34.9 mm (from Z=0.0 to Z=34.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.0 mm over length 33.6 mm (from Z=0.0 to Z=175.3).\n10. Finish turn diameter Ø35.4 mm over length 40.8 mm (from Z=0.0 to Z=141.7).\n11. Finish turn diameter Ø30.7 mm over length 100.9 mm (from Z=0.0 to Z=100.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00041", "image": "images/Shaft_00041.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø42.5 mm and length at least 122.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.5 mm over length 25.0 mm (from Z=0.0 to Z=25.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø32.9 mm over length 18.4 mm (from Z=0.0 to Z=92.0).\n9. Finish turn diameter Ø30.0 mm over length 73.6 mm (from Z=0.0 to Z=73.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00885", "image": "images/Shaft_00885.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø33.7 mm and length at least 215.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.7 mm over length 22.0 mm (from Z=0.0 to Z=22.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 188.5 mm (from Z=0.0 to Z=188.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00632", "image": "images/Shaft_00632.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.9 mm and length at least 315.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.9 mm over length 144.1 mm (from Z=0.0 to Z=144.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 166.8 mm (from Z=0.0 to Z=166.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00858", "image": "images/Shaft_00858.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.5 mm and length at least 247.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.5 mm over length 60.0 mm (from Z=0.0 to Z=60.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.0 mm over length 18.7 mm (from Z=0.0 to Z=182.9).\n10. Finish turn diameter Ø30.0 mm over length 164.2 mm (from Z=0.0 to Z=164.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00139", "image": "images/Shaft_00139.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø47.3 mm and length at least 95.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.3 mm over length 32.6 mm (from Z=0.0 to Z=32.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.7 mm over length 21.5 mm (from Z=0.0 to Z=57.5).\n9. Finish turn diameter Ø30.0 mm over length 36.0 mm (from Z=0.0 to Z=36.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00385", "image": "images/Shaft_00385.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø73.7 mm and length at least 209.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.7 mm over length 31.6 mm (from Z=0.0 to Z=31.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø66.7 mm over length 42.3 mm (from Z=0.0 to Z=173.0).\n10. Finish turn diameter Ø52.8 mm over length 28.2 mm (from Z=0.0 to Z=130.7).\n11. Finish turn diameter Ø37.6 mm over length 49.3 mm (from Z=0.0 to Z=102.5).\n12. Finish turn diameter Ø30.0 mm over length 53.2 mm (from Z=0.0 to Z=53.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00456", "image": "images/Shaft_00456.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 258.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 172.4 mm (from Z=0.0 to Z=172.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.3 mm over length 80.9 mm (from Z=0.0 to Z=80.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00932", "image": "images/Shaft_00932.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø55.4 mm and length at least 181.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.4 mm over length 24.7 mm (from Z=0.0 to Z=24.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.7 mm over length 42.8 mm (from Z=0.0 to Z=151.9).\n10. Finish turn diameter Ø30.0 mm over length 109.1 mm (from Z=0.0 to Z=109.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00813", "image": "images/Shaft_00813.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.1 mm and length at least 217.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.1 mm over length 41.6 mm (from Z=0.0 to Z=41.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 170.9 mm (from Z=0.0 to Z=170.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00140", "image": "images/Shaft_00140.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø80.7 mm and length at least 283.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.7 mm over length 12.2 mm (from Z=0.0 to Z=12.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø73.8 mm over length 25.8 mm (from Z=0.0 to Z=266.1).\n10. Finish turn diameter Ø67.6 mm over length 69.2 mm (from Z=0.0 to Z=240.3).\n11. Finish turn diameter Ø56.3 mm over length 72.4 mm (from Z=0.0 to Z=171.1).\n12. Finish turn diameter Ø41.6 mm over length 48.2 mm (from Z=0.0 to Z=98.7).\n13. Finish turn diameter Ø32.8 mm over length 50.5 mm (from Z=0.0 to Z=50.5).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00624", "image": "images/Shaft_00624.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø72.3 mm and length at least 112.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.3 mm over length 11.1 mm (from Z=0.0 to Z=11.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.7 mm over length 36.9 mm (from Z=0.0 to Z=96.5).\n9. Finish turn diameter Ø55.1 mm over length 5.5 mm (from Z=0.0 to Z=59.6).\n10. Finish turn diameter Ø48.8 mm over length 18.8 mm (from Z=0.0 to Z=54.1).\n11. Finish turn diameter Ø40.2 mm over length 6.0 mm (from Z=0.0 to Z=35.3).\n12. Finish turn diameter Ø30.0 mm over length 29.3 mm (from Z=0.0 to Z=29.3).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00320", "image": "images/Shaft_00320.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø79.7 mm and length at least 130.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.7 mm over length 20.3 mm (from Z=0.0 to Z=20.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.3 mm over length 49.0 mm (from Z=0.0 to Z=105.3).\n9. Finish turn diameter Ø56.9 mm over length 7.9 mm (from Z=0.0 to Z=56.3).\n10. Finish turn diameter Ø51.9 mm over length 28.7 mm (from Z=0.0 to Z=48.4).\n11. Finish turn diameter Ø33.4 mm over length 19.7 mm (from Z=0.0 to Z=19.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00708", "image": "images/Shaft_00708.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø57.3 mm and length at least 231.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.3 mm over length 74.9 mm (from Z=0.0 to Z=74.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.8 mm over length 25.1 mm (from Z=0.0 to Z=151.2).\n10. Finish turn diameter Ø30.0 mm over length 126.1 mm (from Z=0.0 to Z=126.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00457", "image": "images/Shaft_00457.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø74.5 mm and length at least 270.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.5 mm over length 127.7 mm (from Z=0.0 to Z=127.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.7 mm over length 42.7 mm (from Z=0.0 to Z=137.6).\n10. Finish turn diameter Ø42.5 mm over length 94.9 mm (from Z=0.0 to Z=94.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00873", "image": "images/Shaft_00873.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 106.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 76.0 mm (from Z=0.0 to Z=76.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø25.1 mm over length 25.2 mm (from Z=0.0 to Z=25.2).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00326", "image": "images/Shaft_00326.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø77.2 mm and length at least 228.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.2 mm over length 94.9 mm (from Z=0.0 to Z=94.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø70.5 mm over length 93.8 mm (from Z=0.0 to Z=129.0).\n10. Finish turn diameter Ø56.8 mm over length 22.3 mm (from Z=0.0 to Z=35.2).\n11. Finish turn diameter Ø51.1 mm over length 12.9 mm (from Z=0.0 to Z=12.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00126", "image": "images/Shaft_00126.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø73.5 mm and length at least 292.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.5 mm over length 123.1 mm (from Z=0.0 to Z=123.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø56.7 mm over length 82.9 mm (from Z=0.0 to Z=164.8).\n10. Finish turn diameter Ø52.0 mm over length 81.9 mm (from Z=0.0 to Z=81.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00132", "image": "images/Shaft_00132.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø76.8 mm and length at least 305.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.8 mm over length 91.6 mm (from Z=0.0 to Z=91.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.7 mm over length 8.5 mm (from Z=0.0 to Z=208.6).\n10. Finish turn diameter Ø51.4 mm over length 10.5 mm (from Z=0.0 to Z=200.1).\n11. Finish turn diameter Ø33.3 mm over length 37.6 mm (from Z=0.0 to Z=189.6).\n12. Finish turn diameter Ø30.0 mm over length 152.0 mm (from Z=0.0 to Z=152.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00817", "image": "images/Shaft_00817.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø47.4 mm and length at least 269.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.4 mm over length 94.0 mm (from Z=0.0 to Z=94.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.4 mm over length 39.2 mm (from Z=0.0 to Z=170.9).\n10. Finish turn diameter Ø30.0 mm over length 131.7 mm (from Z=0.0 to Z=131.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00397", "image": "images/Shaft_00397.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø64.9 mm and length at least 143.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.9 mm over length 50.2 mm (from Z=0.0 to Z=50.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.4 mm over length 25.9 mm (from Z=0.0 to Z=88.0).\n9. Finish turn diameter Ø30.0 mm over length 62.1 mm (from Z=0.0 to Z=62.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00915", "image": "images/Shaft_00915.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø60.5 mm and length at least 241.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.5 mm over length 49.1 mm (from Z=0.0 to Z=49.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.0 mm over length 22.9 mm (from Z=0.0 to Z=187.2).\n10. Finish turn diameter Ø38.7 mm over length 22.1 mm (from Z=0.0 to Z=164.3).\n11. Finish turn diameter Ø30.0 mm over length 142.2 mm (from Z=0.0 to Z=142.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00993", "image": "images/Shaft_00993.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.3 mm and length at least 264.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.3 mm over length 15.9 mm (from Z=0.0 to Z=15.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø69.5 mm over length 57.8 mm (from Z=0.0 to Z=243.3).\n10. Finish turn diameter Ø66.2 mm over length 32.0 mm (from Z=0.0 to Z=185.5).\n11. Finish turn diameter Ø56.9 mm over length 72.3 mm (from Z=0.0 to Z=153.5).\n12. Finish turn diameter Ø46.9 mm over length 81.2 mm (from Z=0.0 to Z=81.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00415", "image": "images/Shaft_00415.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø40.0 mm and length at least 206.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.0 mm over length 54.8 mm (from Z=0.0 to Z=54.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.1 mm over length 36.3 mm (from Z=0.0 to Z=146.5).\n10. Finish turn diameter Ø30.0 mm over length 110.2 mm (from Z=0.0 to Z=110.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00595", "image": "images/Shaft_00595.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø49.5 mm and length at least 222.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.5 mm over length 56.4 mm (from Z=0.0 to Z=56.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.7 mm over length 22.1 mm (from Z=0.0 to Z=161.2).\n10. Finish turn diameter Ø30.0 mm over length 139.1 mm (from Z=0.0 to Z=139.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00258", "image": "images/Shaft_00258.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø64.0 mm and length at least 91.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.0 mm over length 17.7 mm (from Z=0.0 to Z=17.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.0 mm over length 10.2 mm (from Z=0.0 to Z=68.7).\n9. Finish turn diameter Ø42.9 mm over length 6.3 mm (from Z=0.0 to Z=58.5).\n10. Finish turn diameter Ø33.8 mm over length 14.7 mm (from Z=0.0 to Z=52.2).\n11. Finish turn diameter Ø30.0 mm over length 37.5 mm (from Z=0.0 to Z=37.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00313", "image": "images/Shaft_00313.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø59.8 mm and length at least 84.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.8 mm over length 35.8 mm (from Z=0.0 to Z=35.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.2 mm over length 8.4 mm (from Z=0.0 to Z=43.8).\n9. Finish turn diameter Ø34.8 mm over length 35.4 mm (from Z=0.0 to Z=35.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00409", "image": "images/Shaft_00409.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø43.7 mm and length at least 185.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.7 mm over length 25.2 mm (from Z=0.0 to Z=25.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.2 mm over length 27.1 mm (from Z=0.0 to Z=155.2).\n10. Finish turn diameter Ø30.0 mm over length 128.1 mm (from Z=0.0 to Z=128.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00162", "image": "images/Shaft_00162.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.4 mm and length at least 291.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.4 mm over length 28.0 mm (from Z=0.0 to Z=28.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.3 mm over length 70.0 mm (from Z=0.0 to Z=258.5).\n10. Finish turn diameter Ø35.0 mm over length 67.0 mm (from Z=0.0 to Z=188.5).\n11. Finish turn diameter Ø30.0 mm over length 121.5 mm (from Z=0.0 to Z=121.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00304", "image": "images/Shaft_00304.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø77.5 mm and length at least 232.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.5 mm over length 10.0 mm (from Z=0.0 to Z=10.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.0 mm over length 76.4 mm (from Z=0.0 to Z=217.0).\n10. Finish turn diameter Ø47.0 mm over length 10.0 mm (from Z=0.0 to Z=140.6).\n11. Finish turn diameter Ø41.4 mm over length 30.7 mm (from Z=0.0 to Z=130.6).\n12. Finish turn diameter Ø30.0 mm over length 99.9 mm (from Z=0.0 to Z=99.9).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00286", "image": "images/Shaft_00286.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø43.3 mm and length at least 280.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.3 mm over length 62.5 mm (from Z=0.0 to Z=62.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 213.1 mm (from Z=0.0 to Z=213.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00644", "image": "images/Shaft_00644.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø66.9 mm and length at least 291.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.9 mm over length 74.2 mm (from Z=0.0 to Z=74.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.1 mm over length 34.3 mm (from Z=0.0 to Z=212.0).\n10. Finish turn diameter Ø48.3 mm over length 61.4 mm (from Z=0.0 to Z=177.7).\n11. Finish turn diameter Ø30.0 mm over length 116.3 mm (from Z=0.0 to Z=116.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00635", "image": "images/Shaft_00635.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø64.8 mm and length at least 172.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.8 mm over length 44.6 mm (from Z=0.0 to Z=44.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.6 mm over length 43.0 mm (from Z=0.0 to Z=122.7).\n9. Finish turn diameter Ø42.4 mm over length 58.0 mm (from Z=0.0 to Z=79.7).\n10. Finish turn diameter Ø30.8 mm over length 21.7 mm (from Z=0.0 to Z=21.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00353", "image": "images/Shaft_00353.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø43.4 mm and length at least 164.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.4 mm over length 54.9 mm (from Z=0.0 to Z=54.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø32.1 mm over length 82.4 mm (from Z=0.0 to Z=104.9).\n9. Finish turn diameter Ø30.0 mm over length 22.5 mm (from Z=0.0 to Z=22.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00068", "image": "images/Shaft_00068.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 284.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 235.4 mm (from Z=0.0 to Z=235.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.1 mm over length 43.8 mm (from Z=0.0 to Z=43.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00678", "image": "images/Shaft_00678.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø60.3 mm and length at least 235.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.3 mm over length 23.1 mm (from Z=0.0 to Z=23.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø44.7 mm over length 56.0 mm (from Z=0.0 to Z=207.0).\n10. Finish turn diameter Ø34.9 mm over length 39.8 mm (from Z=0.0 to Z=151.0).\n11. Finish turn diameter Ø30.0 mm over length 111.2 mm (from Z=0.0 to Z=111.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00833", "image": "images/Shaft_00833.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 130.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 107.5 mm (from Z=0.0 to Z=107.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.2 mm over length 17.9 mm (from Z=0.0 to Z=17.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00935", "image": "images/Shaft_00935.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø45.1 mm and length at least 318.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.1 mm over length 107.0 mm (from Z=0.0 to Z=107.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.6 mm over length 15.1 mm (from Z=0.0 to Z=206.1).\n10. Finish turn diameter Ø30.0 mm over length 191.0 mm (from Z=0.0 to Z=191.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00679", "image": "images/Shaft_00679.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø48.0 mm and length at least 196.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.0 mm over length 58.6 mm (from Z=0.0 to Z=58.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 132.4 mm (from Z=0.0 to Z=132.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00719", "image": "images/Shaft_00719.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø77.6 mm and length at least 129.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.6 mm over length 49.0 mm (from Z=0.0 to Z=49.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø57.2 mm over length 38.3 mm (from Z=0.0 to Z=75.8).\n9. Finish turn diameter Ø44.0 mm over length 37.5 mm (from Z=0.0 to Z=37.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00237", "image": "images/Shaft_00237.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø77.2 mm and length at least 306.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.2 mm over length 37.3 mm (from Z=0.0 to Z=37.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.7 mm over length 18.8 mm (from Z=0.0 to Z=263.8).\n10. Finish turn diameter Ø46.9 mm over length 57.8 mm (from Z=0.0 to Z=245.0).\n11. Finish turn diameter Ø37.8 mm over length 60.2 mm (from Z=0.0 to Z=187.2).\n12. Finish turn diameter Ø30.0 mm over length 127.0 mm (from Z=0.0 to Z=127.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00265", "image": "images/Shaft_00265.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø39.7 mm and length at least 184.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.7 mm over length 39.5 mm (from Z=0.0 to Z=39.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 139.6 mm (from Z=0.0 to Z=139.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00090", "image": "images/Shaft_00090.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø53.4 mm and length at least 235.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.4 mm over length 44.2 mm (from Z=0.0 to Z=44.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.2 mm over length 34.0 mm (from Z=0.0 to Z=185.9).\n10. Finish turn diameter Ø30.0 mm over length 151.9 mm (from Z=0.0 to Z=151.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00835", "image": "images/Shaft_00835.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø59.9 mm and length at least 310.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.9 mm over length 74.4 mm (from Z=0.0 to Z=74.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.1 mm over length 76.1 mm (from Z=0.0 to Z=231.5).\n10. Finish turn diameter Ø34.9 mm over length 85.2 mm (from Z=0.0 to Z=155.4).\n11. Finish turn diameter Ø30.0 mm over length 70.2 mm (from Z=0.0 to Z=70.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00862", "image": "images/Shaft_00862.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø46.1 mm and length at least 85.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.1 mm over length 18.4 mm (from Z=0.0 to Z=18.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø32.0 mm over length 19.7 mm (from Z=0.0 to Z=61.6).\n9. Finish turn diameter Ø30.0 mm over length 41.9 mm (from Z=0.0 to Z=41.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00054", "image": "images/Shaft_00054.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø57.0 mm and length at least 134.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.0 mm over length 21.2 mm (from Z=0.0 to Z=21.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø43.3 mm over length 51.1 mm (from Z=0.0 to Z=108.2).\n9. Finish turn diameter Ø30.0 mm over length 57.1 mm (from Z=0.0 to Z=57.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00657", "image": "images/Shaft_00657.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 177.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 127.5 mm (from Z=0.0 to Z=127.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.7 mm over length 44.9 mm (from Z=0.0 to Z=44.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00943", "image": "images/Shaft_00943.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø42.3 mm and length at least 137.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.3 mm over length 7.5 mm (from Z=0.0 to Z=7.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.6 mm over length 25.9 mm (from Z=0.0 to Z=125.1).\n10. Finish turn diameter Ø30.0 mm over length 99.2 mm (from Z=0.0 to Z=99.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00406", "image": "images/Shaft_00406.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø69.2 mm and length at least 69.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.2 mm over length 9.0 mm (from Z=0.0 to Z=9.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø62.8 mm over length 15.2 mm (from Z=0.0 to Z=55.0).\n9. Finish turn diameter Ø51.6 mm over length 32.8 mm (from Z=0.0 to Z=39.8).\n10. Finish turn diameter Ø32.8 mm over length 7.0 mm (from Z=0.0 to Z=7.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00380", "image": "images/Shaft_00380.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø39.6 mm and length at least 78.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.6 mm over length 8.3 mm (from Z=0.0 to Z=8.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.9 mm over length 20.4 mm (from Z=0.0 to Z=65.4).\n9. Finish turn diameter Ø30.0 mm over length 45.0 mm (from Z=0.0 to Z=45.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00124", "image": "images/Shaft_00124.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 192.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 134.6 mm (from Z=0.0 to Z=134.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø18.6 mm over length 52.4 mm (from Z=0.0 to Z=52.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00491", "image": "images/Shaft_00491.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø55.6 mm and length at least 162.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.6 mm over length 51.0 mm (from Z=0.0 to Z=51.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø47.0 mm over length 25.5 mm (from Z=0.0 to Z=106.4).\n9. Finish turn diameter Ø36.8 mm over length 5.8 mm (from Z=0.0 to Z=80.9).\n10. Finish turn diameter Ø30.6 mm over length 51.9 mm (from Z=0.0 to Z=75.1).\n11. Finish turn diameter Ø30.0 mm over length 23.2 mm (from Z=0.0 to Z=23.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00802", "image": "images/Shaft_00802.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø55.1 mm and length at least 96.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.1 mm over length 22.9 mm (from Z=0.0 to Z=22.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø44.0 mm over length 42.7 mm (from Z=0.0 to Z=68.9).\n9. Finish turn diameter Ø37.5 mm over length 26.2 mm (from Z=0.0 to Z=26.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00900", "image": "images/Shaft_00900.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø40.4 mm and length at least 218.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.4 mm over length 11.0 mm (from Z=0.0 to Z=11.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.4 mm over length 97.6 mm (from Z=0.0 to Z=202.4).\n10. Finish turn diameter Ø30.0 mm over length 104.8 mm (from Z=0.0 to Z=104.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00430", "image": "images/Shaft_00430.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 137.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 123.1 mm (from Z=0.0 to Z=123.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.8 mm over length 9.4 mm (from Z=0.0 to Z=9.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00945", "image": "images/Shaft_00945.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø59.9 mm and length at least 320.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.9 mm over length 90.4 mm (from Z=0.0 to Z=90.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.8 mm over length 62.4 mm (from Z=0.0 to Z=225.0).\n10. Finish turn diameter Ø37.0 mm over length 92.7 mm (from Z=0.0 to Z=162.6).\n11. Finish turn diameter Ø30.0 mm over length 69.9 mm (from Z=0.0 to Z=69.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00703", "image": "images/Shaft_00703.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.3 mm and length at least 240.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.3 mm over length 70.2 mm (from Z=0.0 to Z=70.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 164.8 mm (from Z=0.0 to Z=164.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00294", "image": "images/Shaft_00294.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø76.7 mm and length at least 308.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.7 mm over length 87.7 mm (from Z=0.0 to Z=87.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø64.6 mm over length 39.7 mm (from Z=0.0 to Z=215.4).\n10. Finish turn diameter Ø46.3 mm over length 58.6 mm (from Z=0.0 to Z=175.7).\n11. Finish turn diameter Ø37.7 mm over length 38.0 mm (from Z=0.0 to Z=117.1).\n12. Finish turn diameter Ø30.0 mm over length 79.1 mm (from Z=0.0 to Z=79.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00878", "image": "images/Shaft_00878.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø39.0 mm and length at least 188.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.0 mm over length 23.0 mm (from Z=0.0 to Z=23.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 160.9 mm (from Z=0.0 to Z=160.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00212", "image": "images/Shaft_00212.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø77.8 mm and length at least 160.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.8 mm over length 21.1 mm (from Z=0.0 to Z=21.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø72.1 mm over length 61.5 mm (from Z=0.0 to Z=134.3).\n9. Finish turn diameter Ø68.7 mm over length 55.0 mm (from Z=0.0 to Z=72.8).\n10. Finish turn diameter Ø59.2 mm over length 17.8 mm (from Z=0.0 to Z=17.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00918", "image": "images/Shaft_00918.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø57.7 mm and length at least 109.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.7 mm over length 12.3 mm (from Z=0.0 to Z=12.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.9 mm over length 16.7 mm (from Z=0.0 to Z=92.4).\n9. Finish turn diameter Ø30.0 mm over length 75.7 mm (from Z=0.0 to Z=75.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00037", "image": "images/Shaft_00037.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø40.9 mm and length at least 205.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.9 mm over length 42.6 mm (from Z=0.0 to Z=42.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 157.4 mm (from Z=0.0 to Z=157.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00860", "image": "images/Shaft_00860.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø45.1 mm and length at least 284.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.1 mm over length 66.7 mm (from Z=0.0 to Z=66.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø39.7 mm over length 71.6 mm (from Z=0.0 to Z=212.8).\n10. Finish turn diameter Ø33.7 mm over length 78.3 mm (from Z=0.0 to Z=141.2).\n11. Finish turn diameter Ø30.0 mm over length 62.9 mm (from Z=0.0 to Z=62.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00898", "image": "images/Shaft_00898.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø55.2 mm and length at least 246.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.2 mm over length 25.1 mm (from Z=0.0 to Z=25.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø35.4 mm over length 42.0 mm (from Z=0.0 to Z=216.4).\n10. Finish turn diameter Ø30.0 mm over length 174.4 mm (from Z=0.0 to Z=174.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00125", "image": "images/Shaft_00125.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø33.9 mm and length at least 135.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.9 mm over length 24.5 mm (from Z=0.0 to Z=24.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 105.7 mm (from Z=0.0 to Z=105.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00023", "image": "images/Shaft_00023.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø54.1 mm and length at least 87.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.1 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.1 mm over length 5.0 mm (from Z=0.0 to Z=77.1).\n9. Finish turn diameter Ø30.0 mm over length 72.1 mm (from Z=0.0 to Z=72.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00839", "image": "images/Shaft_00839.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø34.9 mm and length at least 222.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.9 mm over length 72.7 mm (from Z=0.0 to Z=72.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 144.4 mm (from Z=0.0 to Z=144.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00976", "image": "images/Shaft_00976.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.3 mm and length at least 175.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.3 mm over length 72.4 mm (from Z=0.0 to Z=72.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.5 mm over length 32.4 mm (from Z=0.0 to Z=97.8).\n9. Finish turn diameter Ø46.3 mm over length 65.4 mm (from Z=0.0 to Z=65.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00101", "image": "images/Shaft_00101.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø53.6 mm and length at least 77.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.6 mm over length 16.6 mm (from Z=0.0 to Z=16.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø40.6 mm over length 10.8 mm (from Z=0.0 to Z=55.8).\n9. Finish turn diameter Ø30.0 mm over length 45.0 mm (from Z=0.0 to Z=45.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00115", "image": "images/Shaft_00115.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø54.8 mm and length at least 147.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.8 mm over length 27.3 mm (from Z=0.0 to Z=27.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø43.5 mm over length 25.0 mm (from Z=0.0 to Z=115.6).\n9. Finish turn diameter Ø33.3 mm over length 31.5 mm (from Z=0.0 to Z=90.6).\n10. Finish turn diameter Ø30.0 mm over length 59.1 mm (from Z=0.0 to Z=59.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00435", "image": "images/Shaft_00435.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø64.3 mm and length at least 176.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.3 mm over length 18.4 mm (from Z=0.0 to Z=18.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø56.4 mm over length 56.2 mm (from Z=0.0 to Z=152.8).\n9. Finish turn diameter Ø39.7 mm over length 13.4 mm (from Z=0.0 to Z=96.6).\n10. Finish turn diameter Ø35.5 mm over length 48.5 mm (from Z=0.0 to Z=83.2).\n11. Finish turn diameter Ø30.0 mm over length 34.7 mm (from Z=0.0 to Z=34.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00950", "image": "images/Shaft_00950.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø67.4 mm and length at least 212.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.4 mm over length 18.4 mm (from Z=0.0 to Z=18.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.3 mm over length 58.9 mm (from Z=0.0 to Z=189.1).\n10. Finish turn diameter Ø55.0 mm over length 50.2 mm (from Z=0.0 to Z=130.2).\n11. Finish turn diameter Ø39.8 mm over length 26.9 mm (from Z=0.0 to Z=80.0).\n12. Finish turn diameter Ø33.0 mm over length 53.1 mm (from Z=0.0 to Z=53.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00120", "image": "images/Shaft_00120.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø75.3 mm and length at least 257.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.3 mm over length 26.9 mm (from Z=0.0 to Z=26.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.8 mm over length 25.0 mm (from Z=0.0 to Z=226.0).\n10. Finish turn diameter Ø35.2 mm over length 42.7 mm (from Z=0.0 to Z=201.0).\n11. Finish turn diameter Ø30.0 mm over length 158.3 mm (from Z=0.0 to Z=158.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00384", "image": "images/Shaft_00384.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø56.3 mm and length at least 245.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.3 mm over length 28.0 mm (from Z=0.0 to Z=28.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.7 mm over length 85.2 mm (from Z=0.0 to Z=212.7).\n10. Finish turn diameter Ø30.0 mm over length 127.5 mm (from Z=0.0 to Z=127.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00047", "image": "images/Shaft_00047.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 318.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 266.5 mm (from Z=0.0 to Z=266.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.3 mm over length 47.1 mm (from Z=0.0 to Z=47.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00171", "image": "images/Shaft_00171.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø73.6 mm and length at least 306.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.6 mm over length 10.8 mm (from Z=0.0 to Z=10.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø64.0 mm over length 86.1 mm (from Z=0.0 to Z=290.3).\n10. Finish turn diameter Ø53.0 mm over length 111.8 mm (from Z=0.0 to Z=204.2).\n11. Finish turn diameter Ø36.5 mm over length 45.5 mm (from Z=0.0 to Z=92.4).\n12. Finish turn diameter Ø30.0 mm over length 46.9 mm (from Z=0.0 to Z=46.9).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00317", "image": "images/Shaft_00317.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø40.9 mm and length at least 225.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.9 mm over length 139.1 mm (from Z=0.0 to Z=139.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.9 mm over length 66.8 mm (from Z=0.0 to Z=81.3).\n10. Finish turn diameter Ø30.0 mm over length 14.5 mm (from Z=0.0 to Z=14.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00324", "image": "images/Shaft_00324.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø71.8 mm and length at least 158.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.8 mm over length 34.4 mm (from Z=0.0 to Z=34.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.3 mm over length 35.6 mm (from Z=0.0 to Z=119.2).\n9. Finish turn diameter Ø41.1 mm over length 48.4 mm (from Z=0.0 to Z=83.6).\n10. Finish turn diameter Ø30.0 mm over length 35.2 mm (from Z=0.0 to Z=35.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00880", "image": "images/Shaft_00880.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø75.6 mm and length at least 86.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.6 mm over length 7.9 mm (from Z=0.0 to Z=7.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø61.2 mm over length 19.6 mm (from Z=0.0 to Z=73.6).\n9. Finish turn diameter Ø44.5 mm over length 14.4 mm (from Z=0.0 to Z=54.0).\n10. Finish turn diameter Ø30.5 mm over length 19.4 mm (from Z=0.0 to Z=39.6).\n11. Finish turn diameter Ø30.0 mm over length 20.2 mm (from Z=0.0 to Z=20.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00263", "image": "images/Shaft_00263.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø47.3 mm and length at least 68.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.3 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.8 mm over length 19.0 mm (from Z=0.0 to Z=58.0).\n9. Finish turn diameter Ø30.0 mm over length 39.0 mm (from Z=0.0 to Z=39.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00145", "image": "images/Shaft_00145.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø60.3 mm and length at least 150.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.3 mm over length 57.7 mm (from Z=0.0 to Z=57.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.2 mm over length 10.9 mm (from Z=0.0 to Z=88.1).\n9. Finish turn diameter Ø30.3 mm over length 28.7 mm (from Z=0.0 to Z=77.2).\n10. Finish turn diameter Ø30.0 mm over length 48.5 mm (from Z=0.0 to Z=48.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00043", "image": "images/Shaft_00043.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø46.1 mm and length at least 322.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.1 mm over length 87.9 mm (from Z=0.0 to Z=87.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 229.2 mm (from Z=0.0 to Z=229.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00504", "image": "images/Shaft_00504.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø45.2 mm and length at least 283.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.2 mm over length 79.1 mm (from Z=0.0 to Z=79.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 199.4 mm (from Z=0.0 to Z=199.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00086", "image": "images/Shaft_00086.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø66.1 mm and length at least 202.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.1 mm over length 34.5 mm (from Z=0.0 to Z=34.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.7 mm over length 50.5 mm (from Z=0.0 to Z=163.4).\n10. Finish turn diameter Ø36.3 mm over length 23.5 mm (from Z=0.0 to Z=112.9).\n11. Finish turn diameter Ø30.0 mm over length 89.4 mm (from Z=0.0 to Z=89.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00376", "image": "images/Shaft_00376.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø36.9 mm and length at least 99.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.9 mm over length 21.4 mm (from Z=0.0 to Z=21.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 73.2 mm (from Z=0.0 to Z=73.2).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00530", "image": "images/Shaft_00530.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 304.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 279.2 mm (from Z=0.0 to Z=279.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.0 mm over length 20.6 mm (from Z=0.0 to Z=20.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00984", "image": "images/Shaft_00984.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø80.3 mm and length at least 318.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.3 mm over length 38.2 mm (from Z=0.0 to Z=38.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø74.4 mm over length 26.3 mm (from Z=0.0 to Z=275.7).\n10. Finish turn diameter Ø63.4 mm over length 76.7 mm (from Z=0.0 to Z=249.4).\n11. Finish turn diameter Ø50.6 mm over length 69.4 mm (from Z=0.0 to Z=172.7).\n12. Finish turn diameter Ø38.4 mm over length 31.7 mm (from Z=0.0 to Z=103.3).\n13. Finish turn diameter Ø30.0 mm over length 71.6 mm (from Z=0.0 to Z=71.6).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00851", "image": "images/Shaft_00851.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø45.3 mm and length at least 68.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.3 mm over length 21.8 mm (from Z=0.0 to Z=21.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.5 mm over length 5.0 mm (from Z=0.0 to Z=42.1).\n9. Finish turn diameter Ø30.0 mm over length 37.1 mm (from Z=0.0 to Z=37.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00345", "image": "images/Shaft_00345.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø63.1 mm and length at least 85.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.1 mm over length 10.7 mm (from Z=0.0 to Z=10.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.0 mm over length 29.9 mm (from Z=0.0 to Z=70.2).\n9. Finish turn diameter Ø30.0 mm over length 40.3 mm (from Z=0.0 to Z=40.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00403", "image": "images/Shaft_00403.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.5 mm and length at least 197.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.5 mm over length 45.3 mm (from Z=0.0 to Z=45.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø70.7 mm over length 28.8 mm (from Z=0.0 to Z=146.9).\n10. Finish turn diameter Ø65.8 mm over length 33.8 mm (from Z=0.0 to Z=118.1).\n11. Finish turn diameter Ø56.4 mm over length 51.2 mm (from Z=0.0 to Z=84.3).\n12. Finish turn diameter Ø50.7 mm over length 33.1 mm (from Z=0.0 to Z=33.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00226", "image": "images/Shaft_00226.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø80.7 mm and length at least 178.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.7 mm over length 30.8 mm (from Z=0.0 to Z=30.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.7 mm over length 87.3 mm (from Z=0.0 to Z=142.6).\n9. Finish turn diameter Ø60.3 mm over length 55.3 mm (from Z=0.0 to Z=55.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00987", "image": "images/Shaft_00987.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.6 mm and length at least 99.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.6 mm over length 19.6 mm (from Z=0.0 to Z=19.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.8 mm over length 5.0 mm (from Z=0.0 to Z=74.4).\n9. Finish turn diameter Ø37.1 mm over length 11.4 mm (from Z=0.0 to Z=69.4).\n10. Finish turn diameter Ø30.0 mm over length 58.0 mm (from Z=0.0 to Z=58.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00164", "image": "images/Shaft_00164.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø71.9 mm and length at least 76.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.9 mm over length 14.2 mm (from Z=0.0 to Z=14.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.2 mm over length 16.2 mm (from Z=0.0 to Z=57.1).\n9. Finish turn diameter Ø54.3 mm over length 19.3 mm (from Z=0.0 to Z=40.9).\n10. Finish turn diameter Ø48.2 mm over length 21.6 mm (from Z=0.0 to Z=21.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00335", "image": "images/Shaft_00335.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø78.0 mm and length at least 321.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.0 mm over length 105.2 mm (from Z=0.0 to Z=105.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø72.9 mm over length 33.6 mm (from Z=0.0 to Z=211.3).\n10. Finish turn diameter Ø53.1 mm over length 40.8 mm (from Z=0.0 to Z=177.7).\n11. Finish turn diameter Ø40.6 mm over length 114.9 mm (from Z=0.0 to Z=136.9).\n12. Finish turn diameter Ø32.4 mm over length 22.0 mm (from Z=0.0 to Z=22.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00600", "image": "images/Shaft_00600.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø77.9 mm and length at least 67.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.9 mm over length 5.1 mm (from Z=0.0 to Z=5.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.6 mm over length 5.0 mm (from Z=0.0 to Z=57.1).\n9. Finish turn diameter Ø58.9 mm over length 14.4 mm (from Z=0.0 to Z=52.1).\n10. Finish turn diameter Ø45.3 mm over length 24.6 mm (from Z=0.0 to Z=37.7).\n11. Finish turn diameter Ø31.0 mm over length 13.1 mm (from Z=0.0 to Z=13.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00916", "image": "images/Shaft_00916.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø68.6 mm and length at least 315.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.6 mm over length 66.4 mm (from Z=0.0 to Z=66.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø56.7 mm over length 100.4 mm (from Z=0.0 to Z=244.2).\n10. Finish turn diameter Ø47.4 mm over length 41.0 mm (from Z=0.0 to Z=143.8).\n11. Finish turn diameter Ø32.5 mm over length 102.8 mm (from Z=0.0 to Z=102.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00472", "image": "images/Shaft_00472.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø57.9 mm and length at least 187.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.9 mm over length 23.1 mm (from Z=0.0 to Z=23.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.4 mm over length 24.0 mm (from Z=0.0 to Z=159.3).\n9. Finish turn diameter Ø36.8 mm over length 92.2 mm (from Z=0.0 to Z=135.3).\n10. Finish turn diameter Ø30.0 mm over length 43.1 mm (from Z=0.0 to Z=43.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00447", "image": "images/Shaft_00447.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø49.5 mm and length at least 315.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.5 mm over length 96.3 mm (from Z=0.0 to Z=96.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.1 mm over length 67.8 mm (from Z=0.0 to Z=214.2).\n10. Finish turn diameter Ø38.6 mm over length 12.6 mm (from Z=0.0 to Z=146.4).\n11. Finish turn diameter Ø30.0 mm over length 133.8 mm (from Z=0.0 to Z=133.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00107", "image": "images/Shaft_00107.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 309.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 273.3 mm (from Z=0.0 to Z=273.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.4 mm over length 31.2 mm (from Z=0.0 to Z=31.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00856", "image": "images/Shaft_00856.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø54.3 mm and length at least 316.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.3 mm over length 66.4 mm (from Z=0.0 to Z=66.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø35.4 mm over length 28.4 mm (from Z=0.0 to Z=244.7).\n10. Finish turn diameter Ø30.0 mm over length 216.3 mm (from Z=0.0 to Z=216.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00155", "image": "images/Shaft_00155.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø73.5 mm and length at least 114.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.5 mm over length 47.8 mm (from Z=0.0 to Z=47.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.2 mm over length 37.0 mm (from Z=0.0 to Z=61.6).\n9. Finish turn diameter Ø53.1 mm over length 24.6 mm (from Z=0.0 to Z=24.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00458", "image": "images/Shaft_00458.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø53.6 mm and length at least 157.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.6 mm over length 46.8 mm (from Z=0.0 to Z=46.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø43.8 mm over length 51.0 mm (from Z=0.0 to Z=105.7).\n9. Finish turn diameter Ø32.2 mm over length 54.7 mm (from Z=0.0 to Z=54.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00280", "image": "images/Shaft_00280.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø79.1 mm and length at least 287.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.1 mm over length 50.3 mm (from Z=0.0 to Z=50.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.8 mm over length 28.9 mm (from Z=0.0 to Z=232.1).\n10. Finish turn diameter Ø53.0 mm over length 54.9 mm (from Z=0.0 to Z=203.2).\n11. Finish turn diameter Ø47.4 mm over length 18.2 mm (from Z=0.0 to Z=148.3).\n12. Finish turn diameter Ø30.0 mm over length 130.1 mm (from Z=0.0 to Z=130.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00207", "image": "images/Shaft_00207.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø42.2 mm and length at least 121.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.2 mm over length 35.5 mm (from Z=0.0 to Z=35.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 81.4 mm (from Z=0.0 to Z=81.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00154", "image": "images/Shaft_00154.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 257.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 167.3 mm (from Z=0.0 to Z=167.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø25.9 mm over length 85.3 mm (from Z=0.0 to Z=85.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00587", "image": "images/Shaft_00587.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø77.1 mm and length at least 180.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.1 mm over length 21.7 mm (from Z=0.0 to Z=21.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø66.9 mm over length 26.5 mm (from Z=0.0 to Z=153.7).\n9. Finish turn diameter Ø56.4 mm over length 52.3 mm (from Z=0.0 to Z=127.2).\n10. Finish turn diameter Ø36.5 mm over length 50.9 mm (from Z=0.0 to Z=74.9).\n11. Finish turn diameter Ø30.0 mm over length 24.0 mm (from Z=0.0 to Z=24.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00757", "image": "images/Shaft_00757.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø56.9 mm and length at least 78.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.9 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.7 mm over length 13.4 mm (from Z=0.0 to Z=68.0).\n9. Finish turn diameter Ø40.4 mm over length 14.4 mm (from Z=0.0 to Z=54.6).\n10. Finish turn diameter Ø32.7 mm over length 13.3 mm (from Z=0.0 to Z=40.2).\n11. Finish turn diameter Ø30.0 mm over length 26.9 mm (from Z=0.0 to Z=26.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00985", "image": "images/Shaft_00985.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø55.8 mm and length at least 291.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.8 mm over length 62.9 mm (from Z=0.0 to Z=62.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.2 mm over length 76.4 mm (from Z=0.0 to Z=223.8).\n10. Finish turn diameter Ø40.5 mm over length 117.1 mm (from Z=0.0 to Z=147.4).\n11. Finish turn diameter Ø30.0 mm over length 30.3 mm (from Z=0.0 to Z=30.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00383", "image": "images/Shaft_00383.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 154.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 114.2 mm (from Z=0.0 to Z=114.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.1 mm over length 35.4 mm (from Z=0.0 to Z=35.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00801", "image": "images/Shaft_00801.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø54.3 mm and length at least 173.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.3 mm over length 66.4 mm (from Z=0.0 to Z=66.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.7 mm over length 24.3 mm (from Z=0.0 to Z=101.8).\n9. Finish turn diameter Ø30.0 mm over length 77.5 mm (from Z=0.0 to Z=77.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00648", "image": "images/Shaft_00648.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø36.3 mm and length at least 112.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.3 mm over length 47.3 mm (from Z=0.0 to Z=47.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.2 mm over length 19.8 mm (from Z=0.0 to Z=59.7).\n9. Finish turn diameter Ø30.0 mm over length 39.9 mm (from Z=0.0 to Z=39.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00806", "image": "images/Shaft_00806.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø69.9 mm and length at least 135.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.9 mm over length 44.4 mm (from Z=0.0 to Z=44.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø53.1 mm over length 10.4 mm (from Z=0.0 to Z=86.0).\n9. Finish turn diameter Ø36.6 mm over length 20.9 mm (from Z=0.0 to Z=75.6).\n10. Finish turn diameter Ø30.0 mm over length 54.7 mm (from Z=0.0 to Z=54.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00536", "image": "images/Shaft_00536.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 288.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 220.1 mm (from Z=0.0 to Z=220.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø24.9 mm over length 63.5 mm (from Z=0.0 to Z=63.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00503", "image": "images/Shaft_00503.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.2 mm and length at least 69.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.2 mm over length 12.5 mm (from Z=0.0 to Z=12.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 51.5 mm (from Z=0.0 to Z=51.5).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00737", "image": "images/Shaft_00737.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø43.4 mm and length at least 229.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.4 mm over length 46.4 mm (from Z=0.0 to Z=46.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 177.8 mm (from Z=0.0 to Z=177.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00559", "image": "images/Shaft_00559.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø66.9 mm and length at least 190.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.9 mm over length 48.1 mm (from Z=0.0 to Z=48.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø47.4 mm over length 34.0 mm (from Z=0.0 to Z=137.6).\n9. Finish turn diameter Ø40.5 mm over length 69.1 mm (from Z=0.0 to Z=103.6).\n10. Finish turn diameter Ø30.0 mm over length 34.5 mm (from Z=0.0 to Z=34.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00544", "image": "images/Shaft_00544.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø72.4 mm and length at least 285.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.4 mm over length 71.5 mm (from Z=0.0 to Z=71.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.2 mm over length 92.4 mm (from Z=0.0 to Z=209.1).\n10. Finish turn diameter Ø48.1 mm over length 116.7 mm (from Z=0.0 to Z=116.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00356", "image": "images/Shaft_00356.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.3 mm and length at least 177.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.3 mm over length 52.3 mm (from Z=0.0 to Z=52.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø47.7 mm over length 48.0 mm (from Z=0.0 to Z=120.0).\n9. Finish turn diameter Ø44.1 mm over length 50.2 mm (from Z=0.0 to Z=72.0).\n10. Finish turn diameter Ø39.1 mm over length 15.9 mm (from Z=0.0 to Z=21.8).\n11. Finish turn diameter Ø34.2 mm over length 5.9 mm (from Z=0.0 to Z=5.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00206", "image": "images/Shaft_00206.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø52.5 mm and length at least 139.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.5 mm over length 25.6 mm (from Z=0.0 to Z=25.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø32.7 mm over length 17.3 mm (from Z=0.0 to Z=109.3).\n10. Finish turn diameter Ø30.0 mm over length 92.0 mm (from Z=0.0 to Z=92.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00888", "image": "images/Shaft_00888.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.6 mm and length at least 242.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.6 mm over length 45.9 mm (from Z=0.0 to Z=45.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø63.5 mm over length 12.6 mm (from Z=0.0 to Z=191.9).\n10. Finish turn diameter Ø51.8 mm over length 15.1 mm (from Z=0.0 to Z=179.3).\n11. Finish turn diameter Ø43.3 mm over length 63.9 mm (from Z=0.0 to Z=164.2).\n12. Finish turn diameter Ø31.2 mm over length 35.3 mm (from Z=0.0 to Z=100.3).\n13. Finish turn diameter Ø30.0 mm over length 65.0 mm (from Z=0.0 to Z=65.0).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00611", "image": "images/Shaft_00611.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø53.9 mm and length at least 153.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.9 mm over length 56.8 mm (from Z=0.0 to Z=56.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.6 mm over length 19.2 mm (from Z=0.0 to Z=92.1).\n9. Finish turn diameter Ø30.0 mm over length 72.9 mm (from Z=0.0 to Z=72.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00711", "image": "images/Shaft_00711.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø37.0 mm and length at least 94.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.0 mm over length 20.9 mm (from Z=0.0 to Z=20.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 68.4 mm (from Z=0.0 to Z=68.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00531", "image": "images/Shaft_00531.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.8 mm and length at least 247.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.8 mm over length 22.1 mm (from Z=0.0 to Z=22.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø65.5 mm over length 78.5 mm (from Z=0.0 to Z=220.3).\n10. Finish turn diameter Ø61.0 mm over length 41.4 mm (from Z=0.0 to Z=141.8).\n11. Finish turn diameter Ø47.8 mm over length 82.7 mm (from Z=0.0 to Z=100.4).\n12. Finish turn diameter Ø31.7 mm over length 17.7 mm (from Z=0.0 to Z=17.7).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00259", "image": "images/Shaft_00259.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø78.6 mm and length at least 223.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.6 mm over length 29.1 mm (from Z=0.0 to Z=29.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø73.0 mm over length 48.0 mm (from Z=0.0 to Z=189.6).\n10. Finish turn diameter Ø66.9 mm over length 38.0 mm (from Z=0.0 to Z=141.6).\n11. Finish turn diameter Ø49.8 mm over length 29.6 mm (from Z=0.0 to Z=103.6).\n12. Finish turn diameter Ø43.1 mm over length 50.4 mm (from Z=0.0 to Z=74.0).\n13. Finish turn diameter Ø30.0 mm over length 23.6 mm (from Z=0.0 to Z=23.6).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00153", "image": "images/Shaft_00153.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.5 mm and length at least 191.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.5 mm over length 59.7 mm (from Z=0.0 to Z=59.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø40.8 mm over length 41.1 mm (from Z=0.0 to Z=127.0).\n9. Finish turn diameter Ø32.3 mm over length 8.5 mm (from Z=0.0 to Z=85.9).\n10. Finish turn diameter Ø30.0 mm over length 77.4 mm (from Z=0.0 to Z=77.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00852", "image": "images/Shaft_00852.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø68.6 mm and length at least 139.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.6 mm over length 19.1 mm (from Z=0.0 to Z=19.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø61.9 mm over length 29.3 mm (from Z=0.0 to Z=115.1).\n9. Finish turn diameter Ø51.7 mm over length 5.0 mm (from Z=0.0 to Z=85.8).\n10. Finish turn diameter Ø42.7 mm over length 23.4 mm (from Z=0.0 to Z=80.8).\n11. Finish turn diameter Ø30.0 mm over length 57.4 mm (from Z=0.0 to Z=57.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00063", "image": "images/Shaft_00063.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø68.1 mm and length at least 138.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.1 mm over length 23.7 mm (from Z=0.0 to Z=23.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø53.6 mm over length 20.6 mm (from Z=0.0 to Z=109.6).\n9. Finish turn diameter Ø37.5 mm over length 42.8 mm (from Z=0.0 to Z=89.0).\n10. Finish turn diameter Ø30.0 mm over length 46.2 mm (from Z=0.0 to Z=46.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00434", "image": "images/Shaft_00434.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.1 mm and length at least 163.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.1 mm over length 35.1 mm (from Z=0.0 to Z=35.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.2 mm over length 5.0 mm (from Z=0.0 to Z=123.2).\n9. Finish turn diameter Ø45.1 mm over length 21.3 mm (from Z=0.0 to Z=118.2).\n10. Finish turn diameter Ø33.6 mm over length 40.9 mm (from Z=0.0 to Z=96.9).\n11. Finish turn diameter Ø30.0 mm over length 56.0 mm (from Z=0.0 to Z=56.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00339", "image": "images/Shaft_00339.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø37.9 mm and length at least 187.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.9 mm over length 15.4 mm (from Z=0.0 to Z=15.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 166.6 mm (from Z=0.0 to Z=166.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00513", "image": "images/Shaft_00513.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.3 mm and length at least 291.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.3 mm over length 61.5 mm (from Z=0.0 to Z=61.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø69.4 mm over length 29.7 mm (from Z=0.0 to Z=224.8).\n10. Finish turn diameter Ø50.0 mm over length 96.1 mm (from Z=0.0 to Z=195.1).\n11. Finish turn diameter Ø41.0 mm over length 99.0 mm (from Z=0.0 to Z=99.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00748", "image": "images/Shaft_00748.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 147.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 107.3 mm (from Z=0.0 to Z=107.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.5 mm over length 35.2 mm (from Z=0.0 to Z=35.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00487", "image": "images/Shaft_00487.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø59.3 mm and length at least 153.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.3 mm over length 36.2 mm (from Z=0.0 to Z=36.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.7 mm over length 23.3 mm (from Z=0.0 to Z=112.1).\n9. Finish turn diameter Ø31.0 mm over length 12.1 mm (from Z=0.0 to Z=88.8).\n10. Finish turn diameter Ø30.0 mm over length 76.7 mm (from Z=0.0 to Z=76.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00524", "image": "images/Shaft_00524.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø63.8 mm and length at least 146.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.8 mm over length 42.6 mm (from Z=0.0 to Z=42.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø58.5 mm over length 12.3 mm (from Z=0.0 to Z=99.2).\n9. Finish turn diameter Ø55.5 mm over length 21.6 mm (from Z=0.0 to Z=86.9).\n10. Finish turn diameter Ø36.5 mm over length 31.8 mm (from Z=0.0 to Z=65.3).\n11. Finish turn diameter Ø30.0 mm over length 33.5 mm (from Z=0.0 to Z=33.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00893", "image": "images/Shaft_00893.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø37.1 mm and length at least 274.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.1 mm over length 64.8 mm (from Z=0.0 to Z=64.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 204.3 mm (from Z=0.0 to Z=204.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00952", "image": "images/Shaft_00952.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø46.0 mm and length at least 244.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.0 mm over length 76.9 mm (from Z=0.0 to Z=76.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.6 mm over length 70.9 mm (from Z=0.0 to Z=162.6).\n10. Finish turn diameter Ø30.0 mm over length 91.7 mm (from Z=0.0 to Z=91.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00186", "image": "images/Shaft_00186.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.3 mm and length at least 197.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.3 mm over length 45.9 mm (from Z=0.0 to Z=45.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.3 mm over length 51.5 mm (from Z=0.0 to Z=146.5).\n10. Finish turn diameter Ø30.0 mm over length 95.0 mm (from Z=0.0 to Z=95.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00673", "image": "images/Shaft_00673.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.9 mm and length at least 188.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.9 mm over length 57.9 mm (from Z=0.0 to Z=57.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.4 mm over length 41.5 mm (from Z=0.0 to Z=125.5).\n9. Finish turn diameter Ø42.6 mm over length 8.4 mm (from Z=0.0 to Z=84.0).\n10. Finish turn diameter Ø35.8 mm over length 28.3 mm (from Z=0.0 to Z=75.6).\n11. Finish turn diameter Ø30.0 mm over length 47.3 mm (from Z=0.0 to Z=47.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00343", "image": "images/Shaft_00343.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø54.5 mm and length at least 181.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.5 mm over length 69.1 mm (from Z=0.0 to Z=69.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.7 mm over length 42.4 mm (from Z=0.0 to Z=107.2).\n9. Finish turn diameter Ø30.0 mm over length 64.8 mm (from Z=0.0 to Z=64.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00377", "image": "images/Shaft_00377.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø48.1 mm and length at least 227.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.1 mm over length 84.4 mm (from Z=0.0 to Z=84.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 137.8 mm (from Z=0.0 to Z=137.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00903", "image": "images/Shaft_00903.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø58.4 mm and length at least 225.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.4 mm over length 60.2 mm (from Z=0.0 to Z=60.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.4 mm over length 73.8 mm (from Z=0.0 to Z=160.4).\n10. Finish turn diameter Ø42.2 mm over length 44.0 mm (from Z=0.0 to Z=86.6).\n11. Finish turn diameter Ø30.0 mm over length 42.6 mm (from Z=0.0 to Z=42.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00368", "image": "images/Shaft_00368.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø61.5 mm and length at least 225.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.5 mm over length 36.1 mm (from Z=0.0 to Z=36.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.8 mm over length 42.9 mm (from Z=0.0 to Z=184.8).\n10. Finish turn diameter Ø40.5 mm over length 18.9 mm (from Z=0.0 to Z=141.9).\n11. Finish turn diameter Ø30.0 mm over length 123.0 mm (from Z=0.0 to Z=123.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00568", "image": "images/Shaft_00568.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø45.6 mm and length at least 66.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.6 mm over length 14.6 mm (from Z=0.0 to Z=14.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.4 mm over length 21.1 mm (from Z=0.0 to Z=46.9).\n9. Finish turn diameter Ø30.0 mm over length 25.8 mm (from Z=0.0 to Z=25.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00275", "image": "images/Shaft_00275.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø51.6 mm and length at least 250.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.6 mm over length 80.5 mm (from Z=0.0 to Z=80.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø46.5 mm over length 68.9 mm (from Z=0.0 to Z=164.6).\n10. Finish turn diameter Ø34.3 mm over length 44.4 mm (from Z=0.0 to Z=95.7).\n11. Finish turn diameter Ø30.1 mm over length 10.8 mm (from Z=0.0 to Z=51.3).\n12. Finish turn diameter Ø30.0 mm over length 40.5 mm (from Z=0.0 to Z=40.5).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00690", "image": "images/Shaft_00690.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø41.2 mm and length at least 173.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.2 mm over length 40.1 mm (from Z=0.0 to Z=40.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 128.5 mm (from Z=0.0 to Z=128.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00266", "image": "images/Shaft_00266.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø55.2 mm and length at least 104.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.2 mm over length 11.2 mm (from Z=0.0 to Z=11.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.7 mm over length 25.6 mm (from Z=0.0 to Z=87.8).\n9. Finish turn diameter Ø31.3 mm over length 14.6 mm (from Z=0.0 to Z=62.2).\n10. Finish turn diameter Ø30.0 mm over length 47.6 mm (from Z=0.0 to Z=47.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00782", "image": "images/Shaft_00782.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø51.6 mm and length at least 220.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.6 mm over length 61.8 mm (from Z=0.0 to Z=61.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø32.3 mm over length 36.6 mm (from Z=0.0 to Z=153.6).\n10. Finish turn diameter Ø30.0 mm over length 117.0 mm (from Z=0.0 to Z=117.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00937", "image": "images/Shaft_00937.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø49.3 mm and length at least 277.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.3 mm over length 24.4 mm (from Z=0.0 to Z=24.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.2 mm over length 75.0 mm (from Z=0.0 to Z=248.0).\n10. Finish turn diameter Ø30.0 mm over length 173.0 mm (from Z=0.0 to Z=173.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00533", "image": "images/Shaft_00533.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø65.7 mm and length at least 160.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.7 mm over length 57.9 mm (from Z=0.0 to Z=57.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.2 mm over length 76.5 mm (from Z=0.0 to Z=98.0).\n9. Finish turn diameter Ø32.8 mm over length 21.5 mm (from Z=0.0 to Z=21.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00022", "image": "images/Shaft_00022.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø67.9 mm and length at least 212.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.9 mm over length 42.9 mm (from Z=0.0 to Z=42.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.7 mm over length 42.7 mm (from Z=0.0 to Z=164.4).\n10. Finish turn diameter Ø54.5 mm over length 48.7 mm (from Z=0.0 to Z=121.7).\n11. Finish turn diameter Ø39.1 mm over length 19.2 mm (from Z=0.0 to Z=73.0).\n12. Finish turn diameter Ø30.0 mm over length 53.8 mm (from Z=0.0 to Z=53.8).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00542", "image": "images/Shaft_00542.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.3 mm and length at least 131.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.3 mm over length 29.2 mm (from Z=0.0 to Z=29.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 97.2 mm (from Z=0.0 to Z=97.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00097", "image": "images/Shaft_00097.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø55.6 mm and length at least 206.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.6 mm over length 40.6 mm (from Z=0.0 to Z=40.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø46.2 mm over length 31.7 mm (from Z=0.0 to Z=160.8).\n10. Finish turn diameter Ø30.0 mm over length 129.1 mm (from Z=0.0 to Z=129.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00295", "image": "images/Shaft_00295.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø40.9 mm and length at least 110.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.9 mm over length 14.2 mm (from Z=0.0 to Z=14.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.4 mm over length 29.0 mm (from Z=0.0 to Z=91.6).\n9. Finish turn diameter Ø30.0 mm over length 62.6 mm (from Z=0.0 to Z=62.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00460", "image": "images/Shaft_00460.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø72.4 mm and length at least 319.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.4 mm over length 53.5 mm (from Z=0.0 to Z=53.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.2 mm over length 12.1 mm (from Z=0.0 to Z=260.6).\n10. Finish turn diameter Ø38.3 mm over length 99.1 mm (from Z=0.0 to Z=248.5).\n11. Finish turn diameter Ø30.0 mm over length 149.4 mm (from Z=0.0 to Z=149.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00197", "image": "images/Shaft_00197.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø62.4 mm and length at least 127.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.4 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.4 mm over length 26.6 mm (from Z=0.0 to Z=117.0).\n9. Finish turn diameter Ø33.9 mm over length 24.8 mm (from Z=0.0 to Z=90.4).\n10. Finish turn diameter Ø30.0 mm over length 65.6 mm (from Z=0.0 to Z=65.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00707", "image": "images/Shaft_00707.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø71.5 mm and length at least 187.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.5 mm over length 10.5 mm (from Z=0.0 to Z=10.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.0 mm over length 28.9 mm (from Z=0.0 to Z=172.3).\n9. Finish turn diameter Ø56.9 mm over length 87.3 mm (from Z=0.0 to Z=143.4).\n10. Finish turn diameter Ø44.1 mm over length 56.1 mm (from Z=0.0 to Z=56.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00261", "image": "images/Shaft_00261.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø58.5 mm and length at least 134.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.5 mm over length 34.4 mm (from Z=0.0 to Z=34.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.7 mm over length 31.9 mm (from Z=0.0 to Z=94.6).\n9. Finish turn diameter Ø30.4 mm over length 55.4 mm (from Z=0.0 to Z=62.7).\n10. Finish turn diameter Ø30.0 mm over length 7.3 mm (from Z=0.0 to Z=7.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00310", "image": "images/Shaft_00310.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø75.6 mm and length at least 238.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.6 mm over length 42.1 mm (from Z=0.0 to Z=42.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø70.0 mm over length 73.8 mm (from Z=0.0 to Z=191.1).\n10. Finish turn diameter Ø55.5 mm over length 117.3 mm (from Z=0.0 to Z=117.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00979", "image": "images/Shaft_00979.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø71.8 mm and length at least 318.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.8 mm over length 50.6 mm (from Z=0.0 to Z=50.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø55.8 mm over length 105.2 mm (from Z=0.0 to Z=263.1).\n10. Finish turn diameter Ø37.4 mm over length 111.7 mm (from Z=0.0 to Z=157.9).\n11. Finish turn diameter Ø30.0 mm over length 46.2 mm (from Z=0.0 to Z=46.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00160", "image": "images/Shaft_00160.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø39.7 mm and length at least 295.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.7 mm over length 41.7 mm (from Z=0.0 to Z=41.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 249.2 mm (from Z=0.0 to Z=249.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00402", "image": "images/Shaft_00402.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø56.6 mm and length at least 81.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.6 mm over length 10.3 mm (from Z=0.0 to Z=10.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.0 mm over length 11.2 mm (from Z=0.0 to Z=66.4).\n9. Finish turn diameter Ø34.2 mm over length 9.4 mm (from Z=0.0 to Z=55.2).\n10. Finish turn diameter Ø30.1 mm over length 19.8 mm (from Z=0.0 to Z=45.8).\n11. Finish turn diameter Ø30.0 mm over length 26.0 mm (from Z=0.0 to Z=26.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00539", "image": "images/Shaft_00539.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 165.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 106.0 mm (from Z=0.0 to Z=106.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø20.5 mm over length 54.4 mm (from Z=0.0 to Z=54.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00176", "image": "images/Shaft_00176.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 70.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 44.8 mm (from Z=0.0 to Z=44.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø28.8 mm over length 20.8 mm (from Z=0.0 to Z=20.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00726", "image": "images/Shaft_00726.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.8 mm and length at least 74.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.8 mm over length 20.4 mm (from Z=0.0 to Z=20.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 48.9 mm (from Z=0.0 to Z=48.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00793", "image": "images/Shaft_00793.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.3 mm and length at least 88.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.3 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.4 mm over length 9.5 mm (from Z=0.0 to Z=78.0).\n9. Finish turn diameter Ø47.3 mm over length 9.9 mm (from Z=0.0 to Z=68.5).\n10. Finish turn diameter Ø31.5 mm over length 23.8 mm (from Z=0.0 to Z=58.6).\n11. Finish turn diameter Ø30.0 mm over length 34.8 mm (from Z=0.0 to Z=34.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00818", "image": "images/Shaft_00818.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø53.2 mm and length at least 105.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.2 mm over length 19.4 mm (from Z=0.0 to Z=19.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.8 mm over length 21.9 mm (from Z=0.0 to Z=80.7).\n9. Finish turn diameter Ø30.0 mm over length 58.8 mm (from Z=0.0 to Z=58.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00778", "image": "images/Shaft_00778.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø74.0 mm and length at least 199.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.0 mm over length 76.3 mm (from Z=0.0 to Z=76.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.5 mm over length 33.1 mm (from Z=0.0 to Z=118.0).\n10. Finish turn diameter Ø37.4 mm over length 29.2 mm (from Z=0.0 to Z=84.9).\n11. Finish turn diameter Ø30.0 mm over length 55.7 mm (from Z=0.0 to Z=55.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00756", "image": "images/Shaft_00756.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø70.9 mm and length at least 156.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.9 mm over length 19.8 mm (from Z=0.0 to Z=19.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø57.6 mm over length 56.1 mm (from Z=0.0 to Z=131.4).\n9. Finish turn diameter Ø49.5 mm over length 75.3 mm (from Z=0.0 to Z=75.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00297", "image": "images/Shaft_00297.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø73.8 mm and length at least 218.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.8 mm over length 59.1 mm (from Z=0.0 to Z=59.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.7 mm over length 74.1 mm (from Z=0.0 to Z=153.9).\n10. Finish turn diameter Ø54.2 mm over length 79.8 mm (from Z=0.0 to Z=79.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00091", "image": "images/Shaft_00091.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø64.3 mm and length at least 151.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.3 mm over length 66.8 mm (from Z=0.0 to Z=66.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø56.0 mm over length 57.1 mm (from Z=0.0 to Z=79.2).\n9. Finish turn diameter Ø36.3 mm over length 22.1 mm (from Z=0.0 to Z=22.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00929", "image": "images/Shaft_00929.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø61.1 mm and length at least 300.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.1 mm over length 20.3 mm (from Z=0.0 to Z=20.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.0 mm over length 52.6 mm (from Z=0.0 to Z=274.7).\n10. Finish turn diameter Ø41.9 mm over length 20.3 mm (from Z=0.0 to Z=222.1).\n11. Finish turn diameter Ø31.1 mm over length 69.7 mm (from Z=0.0 to Z=201.8).\n12. Finish turn diameter Ø30.0 mm over length 132.1 mm (from Z=0.0 to Z=132.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00449", "image": "images/Shaft_00449.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 112.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 68.9 mm (from Z=0.0 to Z=68.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø23.9 mm over length 38.8 mm (from Z=0.0 to Z=38.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00645", "image": "images/Shaft_00645.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 170.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 142.3 mm (from Z=0.0 to Z=142.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.9 mm over length 22.9 mm (from Z=0.0 to Z=22.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00014", "image": "images/Shaft_00014.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø72.2 mm and length at least 161.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.2 mm over length 34.3 mm (from Z=0.0 to Z=34.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø53.3 mm over length 45.4 mm (from Z=0.0 to Z=122.6).\n9. Finish turn diameter Ø48.8 mm over length 12.4 mm (from Z=0.0 to Z=77.2).\n10. Finish turn diameter Ø37.1 mm over length 6.8 mm (from Z=0.0 to Z=64.8).\n11. Finish turn diameter Ø30.0 mm over length 58.0 mm (from Z=0.0 to Z=58.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00480", "image": "images/Shaft_00480.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø45.0 mm and length at least 225.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.0 mm over length 53.7 mm (from Z=0.0 to Z=53.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.5 mm over length 73.8 mm (from Z=0.0 to Z=166.6).\n10. Finish turn diameter Ø30.0 mm over length 92.8 mm (from Z=0.0 to Z=92.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00996", "image": "images/Shaft_00996.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.9 mm and length at least 289.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.9 mm over length 11.3 mm (from Z=0.0 to Z=11.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 273.2 mm (from Z=0.0 to Z=273.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00868", "image": "images/Shaft_00868.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø69.9 mm and length at least 168.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.9 mm over length 12.7 mm (from Z=0.0 to Z=12.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.0 mm over length 26.2 mm (from Z=0.0 to Z=151.2).\n9. Finish turn diameter Ø31.5 mm over length 48.4 mm (from Z=0.0 to Z=125.0).\n10. Finish turn diameter Ø30.0 mm over length 76.6 mm (from Z=0.0 to Z=76.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00431", "image": "images/Shaft_00431.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø56.6 mm and length at least 299.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.6 mm over length 52.0 mm (from Z=0.0 to Z=52.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.0 mm over length 54.9 mm (from Z=0.0 to Z=242.3).\n10. Finish turn diameter Ø30.0 mm over length 187.4 mm (from Z=0.0 to Z=187.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00695", "image": "images/Shaft_00695.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 155.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 99.0 mm (from Z=0.0 to Z=99.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.0 mm over length 51.9 mm (from Z=0.0 to Z=51.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00502", "image": "images/Shaft_00502.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.6 mm and length at least 67.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.6 mm over length 12.3 mm (from Z=0.0 to Z=12.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø61.2 mm over length 12.6 mm (from Z=0.0 to Z=50.4).\n9. Finish turn diameter Ø41.6 mm over length 7.6 mm (from Z=0.0 to Z=37.8).\n10. Finish turn diameter Ø38.6 mm over length 30.2 mm (from Z=0.0 to Z=30.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00260", "image": "images/Shaft_00260.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø36.0 mm and length at least 140.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.0 mm over length 40.4 mm (from Z=0.0 to Z=40.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 95.1 mm (from Z=0.0 to Z=95.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00328", "image": "images/Shaft_00328.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø65.8 mm and length at least 83.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.8 mm over length 22.0 mm (from Z=0.0 to Z=22.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.3 mm over length 8.0 mm (from Z=0.0 to Z=56.0).\n9. Finish turn diameter Ø47.3 mm over length 5.0 mm (from Z=0.0 to Z=48.0).\n10. Finish turn diameter Ø31.0 mm over length 31.3 mm (from Z=0.0 to Z=43.0).\n11. Finish turn diameter Ø30.0 mm over length 11.7 mm (from Z=0.0 to Z=11.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00179", "image": "images/Shaft_00179.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø39.1 mm and length at least 137.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.1 mm over length 40.5 mm (from Z=0.0 to Z=40.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 91.5 mm (from Z=0.0 to Z=91.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00564", "image": "images/Shaft_00564.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø41.9 mm and length at least 140.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.9 mm over length 16.5 mm (from Z=0.0 to Z=16.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.8 mm over length 6.4 mm (from Z=0.0 to Z=119.2).\n10. Finish turn diameter Ø30.0 mm over length 112.8 mm (from Z=0.0 to Z=112.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00395", "image": "images/Shaft_00395.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø53.3 mm and length at least 203.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.3 mm over length 20.2 mm (from Z=0.0 to Z=20.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.6 mm over length 36.7 mm (from Z=0.0 to Z=178.7).\n10. Finish turn diameter Ø31.7 mm over length 38.1 mm (from Z=0.0 to Z=142.0).\n11. Finish turn diameter Ø30.0 mm over length 103.9 mm (from Z=0.0 to Z=103.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00495", "image": "images/Shaft_00495.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.9 mm and length at least 303.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.9 mm over length 67.4 mm (from Z=0.0 to Z=67.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.4 mm over length 22.0 mm (from Z=0.0 to Z=230.9).\n10. Finish turn diameter Ø35.3 mm over length 52.6 mm (from Z=0.0 to Z=208.9).\n11. Finish turn diameter Ø30.0 mm over length 156.3 mm (from Z=0.0 to Z=156.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00035", "image": "images/Shaft_00035.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø35.3 mm and length at least 263.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.3 mm over length 21.1 mm (from Z=0.0 to Z=21.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 237.1 mm (from Z=0.0 to Z=237.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00442", "image": "images/Shaft_00442.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø79.8 mm and length at least 125.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.8 mm over length 30.8 mm (from Z=0.0 to Z=30.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø74.6 mm over length 42.7 mm (from Z=0.0 to Z=89.6).\n9. Finish turn diameter Ø58.6 mm over length 46.9 mm (from Z=0.0 to Z=46.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00927", "image": "images/Shaft_00927.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 272.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 190.1 mm (from Z=0.0 to Z=190.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.4 mm over length 77.2 mm (from Z=0.0 to Z=77.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00659", "image": "images/Shaft_00659.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.9 mm and length at least 311.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.9 mm over length 32.9 mm (from Z=0.0 to Z=32.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 273.7 mm (from Z=0.0 to Z=273.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00636", "image": "images/Shaft_00636.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 321.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 232.4 mm (from Z=0.0 to Z=232.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø25.8 mm over length 84.0 mm (from Z=0.0 to Z=84.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00098", "image": "images/Shaft_00098.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø60.2 mm and length at least 276.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.2 mm over length 124.0 mm (from Z=0.0 to Z=124.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø50.0 mm over length 49.9 mm (from Z=0.0 to Z=147.0).\n10. Finish turn diameter Ø39.5 mm over length 34.9 mm (from Z=0.0 to Z=97.1).\n11. Finish turn diameter Ø30.0 mm over length 62.2 mm (from Z=0.0 to Z=62.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00337", "image": "images/Shaft_00337.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø35.8 mm and length at least 261.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.8 mm over length 57.8 mm (from Z=0.0 to Z=57.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 198.2 mm (from Z=0.0 to Z=198.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00012", "image": "images/Shaft_00012.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.1 mm and length at least 288.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.1 mm over length 62.7 mm (from Z=0.0 to Z=62.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.7 mm over length 68.1 mm (from Z=0.0 to Z=220.4).\n10. Finish turn diameter Ø37.3 mm over length 7.7 mm (from Z=0.0 to Z=152.3).\n11. Finish turn diameter Ø30.0 mm over length 144.6 mm (from Z=0.0 to Z=144.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00684", "image": "images/Shaft_00684.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø49.9 mm and length at least 87.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.9 mm over length 16.7 mm (from Z=0.0 to Z=16.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.3 mm over length 9.3 mm (from Z=0.0 to Z=65.3).\n9. Finish turn diameter Ø30.0 mm over length 56.0 mm (from Z=0.0 to Z=56.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00116", "image": "images/Shaft_00116.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø39.0 mm and length at least 290.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.0 mm over length 14.3 mm (from Z=0.0 to Z=14.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 270.7 mm (from Z=0.0 to Z=270.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00446", "image": "images/Shaft_00446.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø41.2 mm and length at least 292.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.2 mm over length 66.4 mm (from Z=0.0 to Z=66.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.5 mm over length 113.0 mm (from Z=0.0 to Z=220.7).\n10. Finish turn diameter Ø30.0 mm over length 107.7 mm (from Z=0.0 to Z=107.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00407", "image": "images/Shaft_00407.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø62.0 mm and length at least 263.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.0 mm over length 115.3 mm (from Z=0.0 to Z=115.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.0 mm over length 68.8 mm (from Z=0.0 to Z=143.3).\n10. Finish turn diameter Ø30.8 mm over length 74.5 mm (from Z=0.0 to Z=74.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00815", "image": "images/Shaft_00815.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø64.6 mm and length at least 160.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.6 mm over length 28.4 mm (from Z=0.0 to Z=28.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.6 mm over length 20.4 mm (from Z=0.0 to Z=126.6).\n9. Finish turn diameter Ø33.7 mm over length 79.4 mm (from Z=0.0 to Z=106.2).\n10. Finish turn diameter Ø30.0 mm over length 26.8 mm (from Z=0.0 to Z=26.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00312", "image": "images/Shaft_00312.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø37.4 mm and length at least 157.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.4 mm over length 37.0 mm (from Z=0.0 to Z=37.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 115.4 mm (from Z=0.0 to Z=115.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00358", "image": "images/Shaft_00358.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.2 mm and length at least 272.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.2 mm over length 68.2 mm (from Z=0.0 to Z=68.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø71.2 mm over length 49.7 mm (from Z=0.0 to Z=199.5).\n10. Finish turn diameter Ø54.7 mm over length 98.5 mm (from Z=0.0 to Z=149.8).\n11. Finish turn diameter Ø51.1 mm over length 18.5 mm (from Z=0.0 to Z=51.3).\n12. Finish turn diameter Ø34.7 mm over length 32.8 mm (from Z=0.0 to Z=32.8).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00471", "image": "images/Shaft_00471.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø62.1 mm and length at least 94.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.1 mm over length 40.1 mm (from Z=0.0 to Z=40.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.6 mm over length 9.9 mm (from Z=0.0 to Z=49.1).\n9. Finish turn diameter Ø43.2 mm over length 14.0 mm (from Z=0.0 to Z=39.2).\n10. Finish turn diameter Ø30.0 mm over length 25.2 mm (from Z=0.0 to Z=25.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00204", "image": "images/Shaft_00204.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø69.1 mm and length at least 149.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.1 mm over length 26.1 mm (from Z=0.0 to Z=26.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø54.3 mm over length 27.4 mm (from Z=0.0 to Z=118.1).\n9. Finish turn diameter Ø44.2 mm over length 27.3 mm (from Z=0.0 to Z=90.7).\n10. Finish turn diameter Ø36.4 mm over length 34.6 mm (from Z=0.0 to Z=63.4).\n11. Finish turn diameter Ø30.0 mm over length 28.8 mm (from Z=0.0 to Z=28.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00227", "image": "images/Shaft_00227.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø78.6 mm and length at least 262.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.6 mm over length 23.4 mm (from Z=0.0 to Z=23.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø70.2 mm over length 191.2 mm (from Z=0.0 to Z=234.4).\n10. Finish turn diameter Ø50.8 mm over length 43.2 mm (from Z=0.0 to Z=43.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00481", "image": "images/Shaft_00481.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø46.2 mm and length at least 137.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.2 mm over length 6.4 mm (from Z=0.0 to Z=6.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø38.8 mm over length 62.0 mm (from Z=0.0 to Z=125.8).\n9. Finish turn diameter Ø30.0 mm over length 63.8 mm (from Z=0.0 to Z=63.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00039", "image": "images/Shaft_00039.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø34.9 mm and length at least 304.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.9 mm over length 14.2 mm (from Z=0.0 to Z=14.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 284.8 mm (from Z=0.0 to Z=284.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00391", "image": "images/Shaft_00391.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 242.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 144.4 mm (from Z=0.0 to Z=144.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.9 mm over length 92.8 mm (from Z=0.0 to Z=92.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00110", "image": "images/Shaft_00110.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø74.2 mm and length at least 283.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.2 mm over length 63.3 mm (from Z=0.0 to Z=63.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.7 mm over length 151.7 mm (from Z=0.0 to Z=214.8).\n10. Finish turn diameter Ø48.2 mm over length 63.1 mm (from Z=0.0 to Z=63.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00832", "image": "images/Shaft_00832.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 217.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 157.2 mm (from Z=0.0 to Z=157.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.2 mm over length 55.0 mm (from Z=0.0 to Z=55.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00812", "image": "images/Shaft_00812.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø81.0 mm and length at least 257.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.0 mm over length 47.1 mm (from Z=0.0 to Z=47.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.3 mm over length 53.2 mm (from Z=0.0 to Z=205.6).\n10. Finish turn diameter Ø58.2 mm over length 42.5 mm (from Z=0.0 to Z=152.4).\n11. Finish turn diameter Ø40.2 mm over length 63.3 mm (from Z=0.0 to Z=109.9).\n12. Finish turn diameter Ø30.0 mm over length 46.6 mm (from Z=0.0 to Z=46.6).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00962", "image": "images/Shaft_00962.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.3 mm and length at least 265.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.3 mm over length 60.1 mm (from Z=0.0 to Z=60.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 199.9 mm (from Z=0.0 to Z=199.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00421", "image": "images/Shaft_00421.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø45.2 mm and length at least 252.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.2 mm over length 23.6 mm (from Z=0.0 to Z=23.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 224.1 mm (from Z=0.0 to Z=224.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00340", "image": "images/Shaft_00340.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø54.1 mm and length at least 194.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.1 mm over length 27.2 mm (from Z=0.0 to Z=27.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø44.8 mm over length 135.0 mm (from Z=0.0 to Z=162.2).\n10. Finish turn diameter Ø32.9 mm over length 27.2 mm (from Z=0.0 to Z=27.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00183", "image": "images/Shaft_00183.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.6 mm and length at least 233.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.6 mm over length 119.0 mm (from Z=0.0 to Z=119.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.6 mm over length 40.3 mm (from Z=0.0 to Z=109.5).\n10. Finish turn diameter Ø53.6 mm over length 69.2 mm (from Z=0.0 to Z=69.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00997", "image": "images/Shaft_00997.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø74.8 mm and length at least 292.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.8 mm over length 96.4 mm (from Z=0.0 to Z=96.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.7 mm over length 77.3 mm (from Z=0.0 to Z=190.9).\n10. Finish turn diameter Ø47.1 mm over length 77.6 mm (from Z=0.0 to Z=113.6).\n11. Finish turn diameter Ø38.0 mm over length 36.0 mm (from Z=0.0 to Z=36.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00422", "image": "images/Shaft_00422.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø51.5 mm and length at least 298.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.5 mm over length 73.7 mm (from Z=0.0 to Z=73.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.8 mm over length 116.5 mm (from Z=0.0 to Z=219.3).\n10. Finish turn diameter Ø30.0 mm over length 102.8 mm (from Z=0.0 to Z=102.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00181", "image": "images/Shaft_00181.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø47.1 mm and length at least 257.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.1 mm over length 84.1 mm (from Z=0.0 to Z=84.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.5 mm over length 55.4 mm (from Z=0.0 to Z=168.3).\n10. Finish turn diameter Ø30.0 mm over length 112.9 mm (from Z=0.0 to Z=112.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00904", "image": "images/Shaft_00904.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø56.9 mm and length at least 165.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.9 mm over length 12.7 mm (from Z=0.0 to Z=12.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø41.3 mm over length 65.8 mm (from Z=0.0 to Z=147.9).\n9. Finish turn diameter Ø34.3 mm over length 82.1 mm (from Z=0.0 to Z=82.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00861", "image": "images/Shaft_00861.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø52.9 mm and length at least 150.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.9 mm over length 67.3 mm (from Z=0.0 to Z=67.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø34.1 mm over length 17.1 mm (from Z=0.0 to Z=78.6).\n9. Finish turn diameter Ø30.0 mm over length 61.5 mm (from Z=0.0 to Z=61.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00649", "image": "images/Shaft_00649.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø59.8 mm and length at least 276.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.8 mm over length 23.3 mm (from Z=0.0 to Z=23.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.0 mm over length 76.4 mm (from Z=0.0 to Z=248.6).\n10. Finish turn diameter Ø43.2 mm over length 172.2 mm (from Z=0.0 to Z=172.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00745", "image": "images/Shaft_00745.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø55.9 mm and length at least 194.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.9 mm over length 9.3 mm (from Z=0.0 to Z=9.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.5 mm over length 54.1 mm (from Z=0.0 to Z=180.2).\n9. Finish turn diameter Ø41.4 mm over length 54.8 mm (from Z=0.0 to Z=126.1).\n10. Finish turn diameter Ø30.0 mm over length 71.3 mm (from Z=0.0 to Z=71.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00700", "image": "images/Shaft_00700.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø77.7 mm and length at least 324.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.7 mm over length 61.9 mm (from Z=0.0 to Z=61.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.2 mm over length 38.8 mm (from Z=0.0 to Z=257.3).\n10. Finish turn diameter Ø51.1 mm over length 65.9 mm (from Z=0.0 to Z=218.5).\n11. Finish turn diameter Ø34.9 mm over length 63.6 mm (from Z=0.0 to Z=152.6).\n12. Finish turn diameter Ø30.0 mm over length 89.0 mm (from Z=0.0 to Z=89.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00105", "image": "images/Shaft_00105.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 151.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 111.4 mm (from Z=0.0 to Z=111.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.6 mm over length 34.9 mm (from Z=0.0 to Z=34.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00919", "image": "images/Shaft_00919.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 196.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 116.6 mm (from Z=0.0 to Z=116.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.6 mm over length 74.5 mm (from Z=0.0 to Z=74.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00651", "image": "images/Shaft_00651.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø49.2 mm and length at least 275.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.2 mm over length 93.9 mm (from Z=0.0 to Z=93.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 177.0 mm (from Z=0.0 to Z=177.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00366", "image": "images/Shaft_00366.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø75.4 mm and length at least 217.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.4 mm over length 46.6 mm (from Z=0.0 to Z=46.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.7 mm over length 97.9 mm (from Z=0.0 to Z=166.2).\n10. Finish turn diameter Ø46.5 mm over length 68.3 mm (from Z=0.0 to Z=68.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00619", "image": "images/Shaft_00619.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø46.3 mm and length at least 121.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.3 mm over length 13.8 mm (from Z=0.0 to Z=13.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø41.1 mm over length 26.6 mm (from Z=0.0 to Z=102.7).\n9. Finish turn diameter Ø36.9 mm over length 40.8 mm (from Z=0.0 to Z=76.1).\n10. Finish turn diameter Ø30.0 mm over length 35.3 mm (from Z=0.0 to Z=35.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00905", "image": "images/Shaft_00905.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø49.8 mm and length at least 174.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.8 mm over length 40.4 mm (from Z=0.0 to Z=40.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.4 mm over length 11.8 mm (from Z=0.0 to Z=128.8).\n10. Finish turn diameter Ø30.0 mm over length 117.0 mm (from Z=0.0 to Z=117.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00315", "image": "images/Shaft_00315.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø36.6 mm and length at least 275.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.6 mm over length 39.0 mm (from Z=0.0 to Z=39.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 231.6 mm (from Z=0.0 to Z=231.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00042", "image": "images/Shaft_00042.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 143.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 77.8 mm (from Z=0.0 to Z=77.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø22.9 mm over length 60.9 mm (from Z=0.0 to Z=60.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00130", "image": "images/Shaft_00130.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø52.2 mm and length at least 255.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.2 mm over length 136.4 mm (from Z=0.0 to Z=136.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø39.9 mm over length 19.8 mm (from Z=0.0 to Z=114.2).\n10. Finish turn diameter Ø32.9 mm over length 45.9 mm (from Z=0.0 to Z=94.4).\n11. Finish turn diameter Ø30.0 mm over length 48.5 mm (from Z=0.0 to Z=48.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00440", "image": "images/Shaft_00440.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø54.1 mm and length at least 308.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.1 mm over length 46.0 mm (from Z=0.0 to Z=46.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø35.9 mm over length 53.9 mm (from Z=0.0 to Z=257.1).\n10. Finish turn diameter Ø30.0 mm over length 203.2 mm (from Z=0.0 to Z=203.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00151", "image": "images/Shaft_00151.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø43.8 mm and length at least 192.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.8 mm over length 68.8 mm (from Z=0.0 to Z=68.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 118.4 mm (from Z=0.0 to Z=118.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00588", "image": "images/Shaft_00588.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 163.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 99.8 mm (from Z=0.0 to Z=99.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.3 mm over length 58.6 mm (from Z=0.0 to Z=58.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00036", "image": "images/Shaft_00036.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø70.1 mm and length at least 209.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.1 mm over length 47.4 mm (from Z=0.0 to Z=47.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.6 mm over length 111.6 mm (from Z=0.0 to Z=156.7).\n10. Finish turn diameter Ø52.5 mm over length 45.1 mm (from Z=0.0 to Z=45.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00152", "image": "images/Shaft_00152.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø78.3 mm and length at least 193.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.3 mm over length 19.4 mm (from Z=0.0 to Z=19.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.6 mm over length 102.8 mm (from Z=0.0 to Z=169.0).\n9. Finish turn diameter Ø58.6 mm over length 66.2 mm (from Z=0.0 to Z=66.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00676", "image": "images/Shaft_00676.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø57.9 mm and length at least 322.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.9 mm over length 114.6 mm (from Z=0.0 to Z=114.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.6 mm over length 11.1 mm (from Z=0.0 to Z=203.0).\n10. Finish turn diameter Ø36.0 mm over length 68.3 mm (from Z=0.0 to Z=191.9).\n11. Finish turn diameter Ø30.0 mm over length 123.6 mm (from Z=0.0 to Z=123.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00960", "image": "images/Shaft_00960.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø73.0 mm and length at least 315.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.0 mm over length 61.9 mm (from Z=0.0 to Z=61.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.7 mm over length 91.3 mm (from Z=0.0 to Z=248.7).\n10. Finish turn diameter Ø48.5 mm over length 72.0 mm (from Z=0.0 to Z=157.4).\n11. Finish turn diameter Ø30.0 mm over length 85.4 mm (from Z=0.0 to Z=85.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00601", "image": "images/Shaft_00601.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø36.8 mm and length at least 242.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.8 mm over length 45.8 mm (from Z=0.0 to Z=45.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.5 mm over length 110.3 mm (from Z=0.0 to Z=191.9).\n10. Finish turn diameter Ø30.0 mm over length 81.6 mm (from Z=0.0 to Z=81.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00437", "image": "images/Shaft_00437.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 167.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 120.5 mm (from Z=0.0 to Z=120.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.7 mm over length 42.0 mm (from Z=0.0 to Z=42.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00452", "image": "images/Shaft_00452.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø68.9 mm and length at least 275.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.9 mm over length 128.4 mm (from Z=0.0 to Z=128.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.9 mm over length 18.6 mm (from Z=0.0 to Z=141.7).\n10. Finish turn diameter Ø41.0 mm over length 90.1 mm (from Z=0.0 to Z=123.1).\n11. Finish turn diameter Ø30.0 mm over length 33.0 mm (from Z=0.0 to Z=33.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00785", "image": "images/Shaft_00785.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø55.4 mm and length at least 316.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.4 mm over length 48.1 mm (from Z=0.0 to Z=48.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.5 mm over length 17.3 mm (from Z=0.0 to Z=263.2).\n10. Finish turn diameter Ø33.4 mm over length 41.8 mm (from Z=0.0 to Z=245.9).\n11. Finish turn diameter Ø30.0 mm over length 204.1 mm (from Z=0.0 to Z=204.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00268", "image": "images/Shaft_00268.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.4 mm and length at least 196.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.4 mm over length 66.9 mm (from Z=0.0 to Z=66.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 125.0 mm (from Z=0.0 to Z=125.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00133", "image": "images/Shaft_00133.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 138.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 116.2 mm (from Z=0.0 to Z=116.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.0 mm over length 17.1 mm (from Z=0.0 to Z=17.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00341", "image": "images/Shaft_00341.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 104.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 89.1 mm (from Z=0.0 to Z=89.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø27.2 mm over length 10.2 mm (from Z=0.0 to Z=10.2).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00803", "image": "images/Shaft_00803.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø45.0 mm and length at least 145.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.0 mm over length 41.1 mm (from Z=0.0 to Z=41.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.4 mm over length 57.9 mm (from Z=0.0 to Z=99.7).\n9. Finish turn diameter Ø30.0 mm over length 41.8 mm (from Z=0.0 to Z=41.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00045", "image": "images/Shaft_00045.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø43.9 mm and length at least 181.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.9 mm over length 23.9 mm (from Z=0.0 to Z=23.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 152.9 mm (from Z=0.0 to Z=152.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00283", "image": "images/Shaft_00283.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.9 mm and length at least 77.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.9 mm over length 37.8 mm (from Z=0.0 to Z=37.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.6 mm over length 12.6 mm (from Z=0.0 to Z=34.2).\n9. Finish turn diameter Ø55.7 mm over length 21.6 mm (from Z=0.0 to Z=21.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00652", "image": "images/Shaft_00652.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø60.2 mm and length at least 279.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.2 mm over length 62.1 mm (from Z=0.0 to Z=62.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.3 mm over length 48.3 mm (from Z=0.0 to Z=212.0).\n10. Finish turn diameter Ø40.3 mm over length 60.8 mm (from Z=0.0 to Z=163.7).\n11. Finish turn diameter Ø30.0 mm over length 102.9 mm (from Z=0.0 to Z=102.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00948", "image": "images/Shaft_00948.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø42.2 mm and length at least 98.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.2 mm over length 12.2 mm (from Z=0.0 to Z=12.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 80.8 mm (from Z=0.0 to Z=80.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00052", "image": "images/Shaft_00052.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø52.1 mm and length at least 279.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.1 mm over length 30.7 mm (from Z=0.0 to Z=30.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.0 mm over length 48.9 mm (from Z=0.0 to Z=243.9).\n10. Finish turn diameter Ø30.0 mm over length 195.0 mm (from Z=0.0 to Z=195.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00821", "image": "images/Shaft_00821.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø66.0 mm and length at least 273.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.0 mm over length 108.7 mm (from Z=0.0 to Z=108.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.9 mm over length 34.9 mm (from Z=0.0 to Z=159.3).\n10. Finish turn diameter Ø51.1 mm over length 30.4 mm (from Z=0.0 to Z=124.4).\n11. Finish turn diameter Ø45.6 mm over length 71.6 mm (from Z=0.0 to Z=94.0).\n12. Finish turn diameter Ø37.1 mm over length 22.4 mm (from Z=0.0 to Z=22.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00779", "image": "images/Shaft_00779.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø59.0 mm and length at least 84.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.0 mm over length 12.1 mm (from Z=0.0 to Z=12.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø40.5 mm over length 5.0 mm (from Z=0.0 to Z=67.1).\n9. Finish turn diameter Ø34.7 mm over length 21.4 mm (from Z=0.0 to Z=62.1).\n10. Finish turn diameter Ø30.0 mm over length 40.7 mm (from Z=0.0 to Z=40.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00977", "image": "images/Shaft_00977.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø57.9 mm and length at least 277.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.9 mm over length 87.2 mm (from Z=0.0 to Z=87.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.8 mm over length 94.1 mm (from Z=0.0 to Z=185.5).\n10. Finish turn diameter Ø36.8 mm over length 91.4 mm (from Z=0.0 to Z=91.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00599", "image": "images/Shaft_00599.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.7 mm and length at least 298.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.7 mm over length 33.5 mm (from Z=0.0 to Z=33.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø66.5 mm over length 70.7 mm (from Z=0.0 to Z=259.7).\n10. Finish turn diameter Ø61.2 mm over length 114.0 mm (from Z=0.0 to Z=189.0).\n11. Finish turn diameter Ø47.3 mm over length 75.0 mm (from Z=0.0 to Z=75.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00208", "image": "images/Shaft_00208.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø75.5 mm and length at least 284.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.5 mm over length 55.4 mm (from Z=0.0 to Z=55.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.9 mm over length 62.6 mm (from Z=0.0 to Z=224.2).\n10. Finish turn diameter Ø53.8 mm over length 69.6 mm (from Z=0.0 to Z=161.6).\n11. Finish turn diameter Ø44.0 mm over length 92.0 mm (from Z=0.0 to Z=92.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00351", "image": "images/Shaft_00351.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.2 mm and length at least 111.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.2 mm over length 9.0 mm (from Z=0.0 to Z=9.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 97.6 mm (from Z=0.0 to Z=97.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00215", "image": "images/Shaft_00215.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø68.7 mm and length at least 315.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.7 mm over length 88.7 mm (from Z=0.0 to Z=88.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.6 mm over length 41.3 mm (from Z=0.0 to Z=221.6).\n10. Finish turn diameter Ø58.1 mm over length 87.7 mm (from Z=0.0 to Z=180.3).\n11. Finish turn diameter Ø39.5 mm over length 92.6 mm (from Z=0.0 to Z=92.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00288", "image": "images/Shaft_00288.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø77.5 mm and length at least 96.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.5 mm over length 13.5 mm (from Z=0.0 to Z=13.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.3 mm over length 18.8 mm (from Z=0.0 to Z=77.5).\n9. Finish turn diameter Ø46.6 mm over length 11.9 mm (from Z=0.0 to Z=58.7).\n10. Finish turn diameter Ø40.4 mm over length 13.9 mm (from Z=0.0 to Z=46.8).\n11. Finish turn diameter Ø37.3 mm over length 19.5 mm (from Z=0.0 to Z=32.9).\n12. Finish turn diameter Ø30.0 mm over length 13.4 mm (from Z=0.0 to Z=13.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00278", "image": "images/Shaft_00278.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø43.1 mm and length at least 256.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.1 mm over length 44.9 mm (from Z=0.0 to Z=44.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.6 mm over length 58.2 mm (from Z=0.0 to Z=206.6).\n10. Finish turn diameter Ø30.0 mm over length 148.4 mm (from Z=0.0 to Z=148.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00953", "image": "images/Shaft_00953.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø59.6 mm and length at least 163.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.6 mm over length 44.9 mm (from Z=0.0 to Z=44.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.9 mm over length 70.2 mm (from Z=0.0 to Z=114.0).\n9. Finish turn diameter Ø31.5 mm over length 43.8 mm (from Z=0.0 to Z=43.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00820", "image": "images/Shaft_00820.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø79.7 mm and length at least 170.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.7 mm over length 25.9 mm (from Z=0.0 to Z=25.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø74.7 mm over length 15.0 mm (from Z=0.0 to Z=140.0).\n9. Finish turn diameter Ø70.5 mm over length 47.1 mm (from Z=0.0 to Z=125.0).\n10. Finish turn diameter Ø55.5 mm over length 33.8 mm (from Z=0.0 to Z=77.9).\n11. Finish turn diameter Ø50.1 mm over length 44.1 mm (from Z=0.0 to Z=44.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00109", "image": "images/Shaft_00109.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø50.0 mm and length at least 262.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.0 mm over length 60.7 mm (from Z=0.0 to Z=60.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.2 mm over length 34.7 mm (from Z=0.0 to Z=197.2).\n10. Finish turn diameter Ø34.7 mm over length 90.1 mm (from Z=0.0 to Z=162.5).\n11. Finish turn diameter Ø30.0 mm over length 72.4 mm (from Z=0.0 to Z=72.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00118", "image": "images/Shaft_00118.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø57.6 mm and length at least 98.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.6 mm over length 16.9 mm (from Z=0.0 to Z=16.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø52.1 mm over length 21.8 mm (from Z=0.0 to Z=76.1).\n9. Finish turn diameter Ø44.1 mm over length 17.6 mm (from Z=0.0 to Z=54.3).\n10. Finish turn diameter Ø30.0 mm over length 36.7 mm (from Z=0.0 to Z=36.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00941", "image": "images/Shaft_00941.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø77.6 mm and length at least 298.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.6 mm over length 77.7 mm (from Z=0.0 to Z=77.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø71.4 mm over length 95.7 mm (from Z=0.0 to Z=216.1).\n10. Finish turn diameter Ø56.3 mm over length 91.3 mm (from Z=0.0 to Z=120.4).\n11. Finish turn diameter Ø50.1 mm over length 29.1 mm (from Z=0.0 to Z=29.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00137", "image": "images/Shaft_00137.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø67.7 mm and length at least 88.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.7 mm over length 33.3 mm (from Z=0.0 to Z=33.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.3 mm over length 9.4 mm (from Z=0.0 to Z=50.5).\n9. Finish turn diameter Ø43.9 mm over length 13.3 mm (from Z=0.0 to Z=41.1).\n10. Finish turn diameter Ø39.7 mm over length 19.2 mm (from Z=0.0 to Z=27.8).\n11. Finish turn diameter Ø30.0 mm over length 8.6 mm (from Z=0.0 to Z=8.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00106", "image": "images/Shaft_00106.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 177.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 159.2 mm (from Z=0.0 to Z=159.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø28.4 mm over length 13.4 mm (from Z=0.0 to Z=13.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00306", "image": "images/Shaft_00306.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø46.6 mm and length at least 319.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.6 mm over length 112.2 mm (from Z=0.0 to Z=112.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 202.5 mm (from Z=0.0 to Z=202.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00972", "image": "images/Shaft_00972.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø41.6 mm and length at least 95.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.6 mm over length 30.0 mm (from Z=0.0 to Z=30.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 60.4 mm (from Z=0.0 to Z=60.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00008", "image": "images/Shaft_00008.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø51.0 mm and length at least 322.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.0 mm over length 69.5 mm (from Z=0.0 to Z=69.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.4 mm over length 69.5 mm (from Z=0.0 to Z=247.8).\n10. Finish turn diameter Ø30.0 mm over length 178.3 mm (from Z=0.0 to Z=178.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00822", "image": "images/Shaft_00822.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø58.0 mm and length at least 217.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.0 mm over length 82.1 mm (from Z=0.0 to Z=82.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.8 mm over length 35.9 mm (from Z=0.0 to Z=129.9).\n10. Finish turn diameter Ø33.9 mm over length 60.3 mm (from Z=0.0 to Z=94.0).\n11. Finish turn diameter Ø30.0 mm over length 33.7 mm (from Z=0.0 to Z=33.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00309", "image": "images/Shaft_00309.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø57.7 mm and length at least 253.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.7 mm over length 22.1 mm (from Z=0.0 to Z=22.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø50.0 mm over length 29.3 mm (from Z=0.0 to Z=226.3).\n10. Finish turn diameter Ø40.8 mm over length 36.7 mm (from Z=0.0 to Z=197.0).\n11. Finish turn diameter Ø36.4 mm over length 59.1 mm (from Z=0.0 to Z=160.3).\n12. Finish turn diameter Ø30.0 mm over length 101.2 mm (from Z=0.0 to Z=101.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00556", "image": "images/Shaft_00556.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 133.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 100.0 mm (from Z=0.0 to Z=100.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.7 mm over length 28.9 mm (from Z=0.0 to Z=28.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00743", "image": "images/Shaft_00743.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø38.7 mm and length at least 302.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.7 mm over length 71.1 mm (from Z=0.0 to Z=71.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 226.4 mm (from Z=0.0 to Z=226.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00634", "image": "images/Shaft_00634.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø38.3 mm and length at least 123.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.3 mm over length 27.6 mm (from Z=0.0 to Z=27.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 91.2 mm (from Z=0.0 to Z=91.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00291", "image": "images/Shaft_00291.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø65.5 mm and length at least 271.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.5 mm over length 38.3 mm (from Z=0.0 to Z=38.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.7 mm over length 76.3 mm (from Z=0.0 to Z=227.9).\n10. Finish turn diameter Ø40.2 mm over length 132.8 mm (from Z=0.0 to Z=151.6).\n11. Finish turn diameter Ø37.0 mm over length 18.8 mm (from Z=0.0 to Z=18.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00378", "image": "images/Shaft_00378.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø76.5 mm and length at least 241.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.5 mm over length 19.1 mm (from Z=0.0 to Z=19.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø64.8 mm over length 59.1 mm (from Z=0.0 to Z=217.6).\n10. Finish turn diameter Ø45.5 mm over length 24.5 mm (from Z=0.0 to Z=158.5).\n11. Finish turn diameter Ø30.0 mm over length 134.0 mm (from Z=0.0 to Z=134.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00889", "image": "images/Shaft_00889.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø37.0 mm and length at least 203.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.0 mm over length 46.1 mm (from Z=0.0 to Z=46.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 152.1 mm (from Z=0.0 to Z=152.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00629", "image": "images/Shaft_00629.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø42.2 mm and length at least 151.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.2 mm over length 34.7 mm (from Z=0.0 to Z=34.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 111.8 mm (from Z=0.0 to Z=111.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00357", "image": "images/Shaft_00357.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.2 mm and length at least 201.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.2 mm over length 67.2 mm (from Z=0.0 to Z=67.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.7 mm over length 93.7 mm (from Z=0.0 to Z=129.2).\n10. Finish turn diameter Ø31.1 mm over length 35.5 mm (from Z=0.0 to Z=35.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00712", "image": "images/Shaft_00712.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 149.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 79.9 mm (from Z=0.0 to Z=79.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø25.8 mm over length 64.5 mm (from Z=0.0 to Z=64.5).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00620", "image": "images/Shaft_00620.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 68.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 45.3 mm (from Z=0.0 to Z=45.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø18.6 mm over length 18.1 mm (from Z=0.0 to Z=18.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00518", "image": "images/Shaft_00518.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 242.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 141.6 mm (from Z=0.0 to Z=141.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.8 mm over length 95.8 mm (from Z=0.0 to Z=95.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00662", "image": "images/Shaft_00662.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø79.3 mm and length at least 275.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.3 mm over length 74.5 mm (from Z=0.0 to Z=74.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø65.2 mm over length 41.2 mm (from Z=0.0 to Z=195.9).\n10. Finish turn diameter Ø51.6 mm over length 86.3 mm (from Z=0.0 to Z=154.7).\n11. Finish turn diameter Ø42.0 mm over length 68.4 mm (from Z=0.0 to Z=68.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00550", "image": "images/Shaft_00550.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø33.7 mm and length at least 127.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.7 mm over length 35.6 mm (from Z=0.0 to Z=35.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 86.6 mm (from Z=0.0 to Z=86.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00075", "image": "images/Shaft_00075.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø53.6 mm and length at least 153.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.6 mm over length 56.0 mm (from Z=0.0 to Z=56.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.4 mm over length 22.3 mm (from Z=0.0 to Z=92.7).\n9. Finish turn diameter Ø31.6 mm over length 14.5 mm (from Z=0.0 to Z=70.4).\n10. Finish turn diameter Ø30.0 mm over length 55.9 mm (from Z=0.0 to Z=55.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00102", "image": "images/Shaft_00102.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø64.0 mm and length at least 322.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.0 mm over length 36.7 mm (from Z=0.0 to Z=36.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.9 mm over length 26.1 mm (from Z=0.0 to Z=281.0).\n10. Finish turn diameter Ø44.6 mm over length 25.9 mm (from Z=0.0 to Z=254.9).\n11. Finish turn diameter Ø32.8 mm over length 107.9 mm (from Z=0.0 to Z=229.0).\n12. Finish turn diameter Ø30.0 mm over length 121.1 mm (from Z=0.0 to Z=121.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00576", "image": "images/Shaft_00576.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø43.9 mm and length at least 228.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.9 mm over length 53.9 mm (from Z=0.0 to Z=53.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 169.4 mm (from Z=0.0 to Z=169.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00857", "image": "images/Shaft_00857.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø58.1 mm and length at least 169.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.1 mm over length 61.1 mm (from Z=0.0 to Z=61.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.3 mm over length 14.3 mm (from Z=0.0 to Z=103.7).\n9. Finish turn diameter Ø39.1 mm over length 43.2 mm (from Z=0.0 to Z=89.4).\n10. Finish turn diameter Ø32.7 mm over length 46.2 mm (from Z=0.0 to Z=46.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00009", "image": "images/Shaft_00009.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø74.8 mm and length at least 257.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.8 mm over length 35.5 mm (from Z=0.0 to Z=35.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø66.3 mm over length 75.0 mm (from Z=0.0 to Z=216.8).\n10. Finish turn diameter Ø47.7 mm over length 57.3 mm (from Z=0.0 to Z=141.8).\n11. Finish turn diameter Ø32.2 mm over length 84.5 mm (from Z=0.0 to Z=84.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00074", "image": "images/Shaft_00074.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø61.0 mm and length at least 261.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.0 mm over length 73.4 mm (from Z=0.0 to Z=73.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø51.0 mm over length 85.5 mm (from Z=0.0 to Z=182.7).\n10. Finish turn diameter Ø46.0 mm over length 80.1 mm (from Z=0.0 to Z=97.2).\n11. Finish turn diameter Ø41.4 mm over length 17.1 mm (from Z=0.0 to Z=17.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00951", "image": "images/Shaft_00951.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø55.0 mm and length at least 243.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.0 mm over length 39.4 mm (from Z=0.0 to Z=39.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø35.0 mm over length 62.5 mm (from Z=0.0 to Z=199.4).\n10. Finish turn diameter Ø30.0 mm over length 136.9 mm (from Z=0.0 to Z=136.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00468", "image": "images/Shaft_00468.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 153.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 115.9 mm (from Z=0.0 to Z=115.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.0 mm over length 32.9 mm (from Z=0.0 to Z=32.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00307", "image": "images/Shaft_00307.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.3 mm and length at least 249.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.3 mm over length 52.3 mm (from Z=0.0 to Z=52.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.9 mm over length 15.6 mm (from Z=0.0 to Z=191.8).\n10. Finish turn diameter Ø41.9 mm over length 55.4 mm (from Z=0.0 to Z=176.2).\n11. Finish turn diameter Ø34.8 mm over length 16.8 mm (from Z=0.0 to Z=120.8).\n12. Finish turn diameter Ø30.1 mm over length 31.5 mm (from Z=0.0 to Z=104.0).\n13. Finish turn diameter Ø30.0 mm over length 72.5 mm (from Z=0.0 to Z=72.5).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00134", "image": "images/Shaft_00134.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø75.1 mm and length at least 292.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.1 mm over length 118.0 mm (from Z=0.0 to Z=118.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø70.0 mm over length 56.3 mm (from Z=0.0 to Z=169.7).\n10. Finish turn diameter Ø66.9 mm over length 81.7 mm (from Z=0.0 to Z=113.4).\n11. Finish turn diameter Ø54.0 mm over length 31.7 mm (from Z=0.0 to Z=31.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00859", "image": "images/Shaft_00859.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø54.7 mm and length at least 246.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.7 mm over length 16.2 mm (from Z=0.0 to Z=16.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.7 mm over length 37.7 mm (from Z=0.0 to Z=225.7).\n10. Finish turn diameter Ø30.0 mm over length 188.0 mm (from Z=0.0 to Z=188.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00884", "image": "images/Shaft_00884.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø44.1 mm and length at least 269.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.1 mm over length 105.3 mm (from Z=0.0 to Z=105.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 159.2 mm (from Z=0.0 to Z=159.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00244", "image": "images/Shaft_00244.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø66.7 mm and length at least 66.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.7 mm over length 12.3 mm (from Z=0.0 to Z=12.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø57.6 mm over length 8.8 mm (from Z=0.0 to Z=48.8).\n9. Finish turn diameter Ø39.8 mm over length 15.3 mm (from Z=0.0 to Z=40.0).\n10. Finish turn diameter Ø34.4 mm over length 7.4 mm (from Z=0.0 to Z=24.7).\n11. Finish turn diameter Ø30.0 mm over length 17.3 mm (from Z=0.0 to Z=17.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00641", "image": "images/Shaft_00641.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø37.4 mm and length at least 130.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.4 mm over length 22.4 mm (from Z=0.0 to Z=22.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 102.7 mm (from Z=0.0 to Z=102.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00209", "image": "images/Shaft_00209.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø65.9 mm and length at least 122.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.9 mm over length 45.6 mm (from Z=0.0 to Z=45.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.4 mm over length 55.5 mm (from Z=0.0 to Z=72.3).\n9. Finish turn diameter Ø32.7 mm over length 16.8 mm (from Z=0.0 to Z=16.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00267", "image": "images/Shaft_00267.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø68.5 mm and length at least 152.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.5 mm over length 25.6 mm (from Z=0.0 to Z=25.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.8 mm over length 39.9 mm (from Z=0.0 to Z=121.7).\n9. Finish turn diameter Ø38.2 mm over length 8.2 mm (from Z=0.0 to Z=81.8).\n10. Finish turn diameter Ø30.0 mm over length 73.6 mm (from Z=0.0 to Z=73.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00870", "image": "images/Shaft_00870.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø59.2 mm and length at least 88.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.2 mm over length 10.9 mm (from Z=0.0 to Z=10.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.7 mm over length 28.2 mm (from Z=0.0 to Z=72.8).\n9. Finish turn diameter Ø37.0 mm over length 44.6 mm (from Z=0.0 to Z=44.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00535", "image": "images/Shaft_00535.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø44.4 mm and length at least 85.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.4 mm over length 41.5 mm (from Z=0.0 to Z=41.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø38.8 mm over length 27.8 mm (from Z=0.0 to Z=38.9).\n9. Finish turn diameter Ø30.0 mm over length 11.1 mm (from Z=0.0 to Z=11.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00578", "image": "images/Shaft_00578.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø80.9 mm and length at least 216.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.9 mm over length 44.1 mm (from Z=0.0 to Z=44.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø64.7 mm over length 39.4 mm (from Z=0.0 to Z=167.3).\n10. Finish turn diameter Ø44.8 mm over length 16.1 mm (from Z=0.0 to Z=127.9).\n11. Finish turn diameter Ø30.0 mm over length 111.8 mm (from Z=0.0 to Z=111.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00845", "image": "images/Shaft_00845.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 185.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 134.9 mm (from Z=0.0 to Z=134.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø28.9 mm over length 45.6 mm (from Z=0.0 to Z=45.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00968", "image": "images/Shaft_00968.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø44.4 mm and length at least 91.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.4 mm over length 5.2 mm (from Z=0.0 to Z=5.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.3 mm over length 15.8 mm (from Z=0.0 to Z=81.3).\n9. Finish turn diameter Ø30.0 mm over length 65.5 mm (from Z=0.0 to Z=65.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00083", "image": "images/Shaft_00083.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.7 mm and length at least 77.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.7 mm over length 10.4 mm (from Z=0.0 to Z=10.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø56.5 mm over length 19.6 mm (from Z=0.0 to Z=61.8).\n9. Finish turn diameter Ø47.4 mm over length 26.1 mm (from Z=0.0 to Z=42.2).\n10. Finish turn diameter Ø30.0 mm over length 16.1 mm (from Z=0.0 to Z=16.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00040", "image": "images/Shaft_00040.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø66.0 mm and length at least 255.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.0 mm over length 45.9 mm (from Z=0.0 to Z=45.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.5 mm over length 67.3 mm (from Z=0.0 to Z=204.8).\n10. Finish turn diameter Ø39.2 mm over length 86.2 mm (from Z=0.0 to Z=137.5).\n11. Finish turn diameter Ø30.0 mm over length 51.3 mm (from Z=0.0 to Z=51.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00608", "image": "images/Shaft_00608.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø65.2 mm and length at least 200.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.2 mm over length 38.7 mm (from Z=0.0 to Z=38.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø55.4 mm over length 33.3 mm (from Z=0.0 to Z=156.6).\n10. Finish turn diameter Ø40.7 mm over length 47.6 mm (from Z=0.0 to Z=123.3).\n11. Finish turn diameter Ø30.0 mm over length 75.7 mm (from Z=0.0 to Z=75.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00592", "image": "images/Shaft_00592.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø50.7 mm and length at least 159.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.7 mm over length 53.3 mm (from Z=0.0 to Z=53.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.3 mm over length 55.4 mm (from Z=0.0 to Z=100.7).\n9. Finish turn diameter Ø30.0 mm over length 45.3 mm (from Z=0.0 to Z=45.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00853", "image": "images/Shaft_00853.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 279.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 221.4 mm (from Z=0.0 to Z=221.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø24.0 mm over length 52.6 mm (from Z=0.0 to Z=52.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00583", "image": "images/Shaft_00583.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø57.4 mm and length at least 74.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.4 mm over length 5.9 mm (from Z=0.0 to Z=5.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø52.3 mm over length 6.4 mm (from Z=0.0 to Z=63.2).\n9. Finish turn diameter Ø44.0 mm over length 5.7 mm (from Z=0.0 to Z=56.8).\n10. Finish turn diameter Ø40.1 mm over length 18.5 mm (from Z=0.0 to Z=51.1).\n11. Finish turn diameter Ø30.6 mm over length 20.1 mm (from Z=0.0 to Z=32.6).\n12. Finish turn diameter Ø30.0 mm over length 12.5 mm (from Z=0.0 to Z=12.5).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00122", "image": "images/Shaft_00122.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø59.2 mm and length at least 138.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.2 mm over length 30.9 mm (from Z=0.0 to Z=30.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.8 mm over length 29.1 mm (from Z=0.0 to Z=102.6).\n9. Finish turn diameter Ø30.6 mm over length 25.0 mm (from Z=0.0 to Z=73.5).\n10. Finish turn diameter Ø30.0 mm over length 48.5 mm (from Z=0.0 to Z=48.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00413", "image": "images/Shaft_00413.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø50.6 mm and length at least 97.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.6 mm over length 16.0 mm (from Z=0.0 to Z=16.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.6 mm over length 31.3 mm (from Z=0.0 to Z=76.2).\n9. Finish turn diameter Ø34.3 mm over length 6.4 mm (from Z=0.0 to Z=44.9).\n10. Finish turn diameter Ø30.0 mm over length 38.5 mm (from Z=0.0 to Z=38.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00240", "image": "images/Shaft_00240.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø55.3 mm and length at least 102.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.3 mm over length 15.0 mm (from Z=0.0 to Z=15.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø45.5 mm over length 7.1 mm (from Z=0.0 to Z=82.9).\n9. Finish turn diameter Ø37.8 mm over length 22.4 mm (from Z=0.0 to Z=75.8).\n10. Finish turn diameter Ø30.0 mm over length 53.4 mm (from Z=0.0 to Z=53.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00723", "image": "images/Shaft_00723.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø42.2 mm and length at least 255.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.2 mm over length 20.5 mm (from Z=0.0 to Z=20.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.9 mm over length 16.5 mm (from Z=0.0 to Z=230.1).\n10. Finish turn diameter Ø30.1 mm over length 74.9 mm (from Z=0.0 to Z=213.6).\n11. Finish turn diameter Ø30.0 mm over length 138.7 mm (from Z=0.0 to Z=138.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00609", "image": "images/Shaft_00609.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø48.7 mm and length at least 280.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.7 mm over length 16.2 mm (from Z=0.0 to Z=16.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.6 mm over length 92.5 mm (from Z=0.0 to Z=259.3).\n10. Finish turn diameter Ø30.0 mm over length 166.8 mm (from Z=0.0 to Z=166.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00766", "image": "images/Shaft_00766.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø50.6 mm and length at least 194.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.6 mm over length 52.6 mm (from Z=0.0 to Z=52.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.0 mm over length 63.3 mm (from Z=0.0 to Z=136.9).\n9. Finish turn diameter Ø31.2 mm over length 33.6 mm (from Z=0.0 to Z=73.6).\n10. Finish turn diameter Ø30.0 mm over length 40.0 mm (from Z=0.0 to Z=40.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00190", "image": "images/Shaft_00190.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø81.6 mm and length at least 72.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.6 mm over length 5.2 mm (from Z=0.0 to Z=5.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø76.2 mm over length 22.7 mm (from Z=0.0 to Z=62.3).\n9. Finish turn diameter Ø60.6 mm over length 39.6 mm (from Z=0.0 to Z=39.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00082", "image": "images/Shaft_00082.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø70.6 mm and length at least 229.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.6 mm over length 84.7 mm (from Z=0.0 to Z=84.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.4 mm over length 9.8 mm (from Z=0.0 to Z=139.4).\n10. Finish turn diameter Ø41.7 mm over length 73.2 mm (from Z=0.0 to Z=129.6).\n11. Finish turn diameter Ø32.0 mm over length 56.4 mm (from Z=0.0 to Z=56.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00520", "image": "images/Shaft_00520.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø36.4 mm and length at least 284.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.4 mm over length 21.5 mm (from Z=0.0 to Z=21.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 257.6 mm (from Z=0.0 to Z=257.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00876", "image": "images/Shaft_00876.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.3 mm and length at least 218.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.3 mm over length 71.0 mm (from Z=0.0 to Z=71.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 142.7 mm (from Z=0.0 to Z=142.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00805", "image": "images/Shaft_00805.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø59.5 mm and length at least 280.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.5 mm over length 37.9 mm (from Z=0.0 to Z=37.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø44.9 mm over length 53.4 mm (from Z=0.0 to Z=237.4).\n10. Finish turn diameter Ø30.0 mm over length 184.0 mm (from Z=0.0 to Z=184.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00783", "image": "images/Shaft_00783.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø62.1 mm and length at least 271.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.1 mm over length 39.7 mm (from Z=0.0 to Z=39.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.7 mm over length 49.1 mm (from Z=0.0 to Z=226.4).\n10. Finish turn diameter Ø42.0 mm over length 36.5 mm (from Z=0.0 to Z=177.3).\n11. Finish turn diameter Ø35.5 mm over length 64.7 mm (from Z=0.0 to Z=140.8).\n12. Finish turn diameter Ø30.0 mm over length 76.1 mm (from Z=0.0 to Z=76.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00514", "image": "images/Shaft_00514.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 262.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 199.7 mm (from Z=0.0 to Z=199.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.6 mm over length 57.5 mm (from Z=0.0 to Z=57.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00488", "image": "images/Shaft_00488.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø45.7 mm and length at least 251.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.7 mm over length 62.7 mm (from Z=0.0 to Z=62.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø39.8 mm over length 28.9 mm (from Z=0.0 to Z=183.9).\n10. Finish turn diameter Ø30.0 mm over length 155.0 mm (from Z=0.0 to Z=155.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00847", "image": "images/Shaft_00847.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.7 mm and length at least 253.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.7 mm over length 34.0 mm (from Z=0.0 to Z=34.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø51.0 mm over length 26.4 mm (from Z=0.0 to Z=214.3).\n10. Finish turn diameter Ø39.0 mm over length 95.3 mm (from Z=0.0 to Z=187.9).\n11. Finish turn diameter Ø30.0 mm over length 92.6 mm (from Z=0.0 to Z=92.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00672", "image": "images/Shaft_00672.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø43.3 mm and length at least 108.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.3 mm over length 44.1 mm (from Z=0.0 to Z=44.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.3 mm over length 8.5 mm (from Z=0.0 to Z=58.9).\n9. Finish turn diameter Ø30.0 mm over length 50.4 mm (from Z=0.0 to Z=50.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00058", "image": "images/Shaft_00058.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 116.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 89.1 mm (from Z=0.0 to Z=89.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø28.9 mm over length 22.8 mm (from Z=0.0 to Z=22.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00321", "image": "images/Shaft_00321.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø69.1 mm and length at least 155.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.1 mm over length 37.4 mm (from Z=0.0 to Z=37.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.7 mm over length 57.2 mm (from Z=0.0 to Z=112.9).\n9. Finish turn diameter Ø44.8 mm over length 29.6 mm (from Z=0.0 to Z=55.7).\n10. Finish turn diameter Ø37.9 mm over length 26.1 mm (from Z=0.0 to Z=26.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00691", "image": "images/Shaft_00691.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø46.3 mm and length at least 178.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.3 mm over length 44.6 mm (from Z=0.0 to Z=44.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 129.2 mm (from Z=0.0 to Z=129.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00555", "image": "images/Shaft_00555.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø44.8 mm and length at least 246.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.8 mm over length 19.1 mm (from Z=0.0 to Z=19.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.1 mm over length 135.1 mm (from Z=0.0 to Z=222.4).\n10. Finish turn diameter Ø30.0 mm over length 87.3 mm (from Z=0.0 to Z=87.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00593", "image": "images/Shaft_00593.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø48.1 mm and length at least 183.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.1 mm over length 56.9 mm (from Z=0.0 to Z=56.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.4 mm over length 65.9 mm (from Z=0.0 to Z=121.2).\n9. Finish turn diameter Ø30.0 mm over length 55.3 mm (from Z=0.0 to Z=55.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00837", "image": "images/Shaft_00837.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.9 mm and length at least 158.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.9 mm over length 35.3 mm (from Z=0.0 to Z=35.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø47.3 mm over length 7.0 mm (from Z=0.0 to Z=118.2).\n9. Finish turn diameter Ø33.3 mm over length 28.5 mm (from Z=0.0 to Z=111.2).\n10. Finish turn diameter Ø30.0 mm over length 82.7 mm (from Z=0.0 to Z=82.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00222", "image": "images/Shaft_00222.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.6 mm and length at least 106.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.6 mm over length 32.5 mm (from Z=0.0 to Z=32.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 68.6 mm (from Z=0.0 to Z=68.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00303", "image": "images/Shaft_00303.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 295.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 195.6 mm (from Z=0.0 to Z=195.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø18.7 mm over length 94.6 mm (from Z=0.0 to Z=94.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00716", "image": "images/Shaft_00716.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø51.7 mm and length at least 106.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.7 mm over length 32.4 mm (from Z=0.0 to Z=32.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø45.8 mm over length 22.4 mm (from Z=0.0 to Z=69.0).\n9. Finish turn diameter Ø30.0 mm over length 46.6 mm (from Z=0.0 to Z=46.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00158", "image": "images/Shaft_00158.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.0 mm and length at least 324.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.0 mm over length 80.6 mm (from Z=0.0 to Z=80.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 238.4 mm (from Z=0.0 to Z=238.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00498", "image": "images/Shaft_00498.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø65.2 mm and length at least 246.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.2 mm over length 97.1 mm (from Z=0.0 to Z=97.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.1 mm over length 42.0 mm (from Z=0.0 to Z=144.5).\n10. Finish turn diameter Ø35.4 mm over length 102.5 mm (from Z=0.0 to Z=102.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00569", "image": "images/Shaft_00569.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø45.6 mm and length at least 301.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.6 mm over length 127.0 mm (from Z=0.0 to Z=127.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.4 mm over length 32.6 mm (from Z=0.0 to Z=169.1).\n10. Finish turn diameter Ø31.6 mm over length 50.3 mm (from Z=0.0 to Z=136.5).\n11. Finish turn diameter Ø30.0 mm over length 86.2 mm (from Z=0.0 to Z=86.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00897", "image": "images/Shaft_00897.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø39.1 mm and length at least 207.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.1 mm over length 47.1 mm (from Z=0.0 to Z=47.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 155.0 mm (from Z=0.0 to Z=155.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00292", "image": "images/Shaft_00292.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø66.9 mm and length at least 251.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.9 mm over length 65.2 mm (from Z=0.0 to Z=65.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.8 mm over length 47.2 mm (from Z=0.0 to Z=180.9).\n10. Finish turn diameter Ø35.8 mm over length 73.9 mm (from Z=0.0 to Z=133.7).\n11. Finish turn diameter Ø30.0 mm over length 59.8 mm (from Z=0.0 to Z=59.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00465", "image": "images/Shaft_00465.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.5 mm and length at least 209.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.5 mm over length 100.8 mm (from Z=0.0 to Z=100.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø68.4 mm over length 22.4 mm (from Z=0.0 to Z=104.1).\n10. Finish turn diameter Ø57.9 mm over length 12.2 mm (from Z=0.0 to Z=81.7).\n11. Finish turn diameter Ø51.5 mm over length 52.4 mm (from Z=0.0 to Z=69.5).\n12. Finish turn diameter Ø31.5 mm over length 17.1 mm (from Z=0.0 to Z=17.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00988", "image": "images/Shaft_00988.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø43.4 mm and length at least 209.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.4 mm over length 80.0 mm (from Z=0.0 to Z=80.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 124.4 mm (from Z=0.0 to Z=124.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00399", "image": "images/Shaft_00399.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø52.2 mm and length at least 211.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.2 mm over length 72.9 mm (from Z=0.0 to Z=72.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.3 mm over length 67.1 mm (from Z=0.0 to Z=133.9).\n10. Finish turn diameter Ø30.0 mm over length 66.8 mm (from Z=0.0 to Z=66.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00002", "image": "images/Shaft_00002.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.9 mm and length at least 71.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.9 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.5 mm over length 23.6 mm (from Z=0.0 to Z=61.5).\n9. Finish turn diameter Ø59.0 mm over length 7.1 mm (from Z=0.0 to Z=37.9).\n10. Finish turn diameter Ø56.0 mm over length 30.8 mm (from Z=0.0 to Z=30.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00886", "image": "images/Shaft_00886.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.7 mm and length at least 87.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.7 mm over length 6.6 mm (from Z=0.0 to Z=6.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø32.5 mm over length 25.8 mm (from Z=0.0 to Z=76.3).\n9. Finish turn diameter Ø30.0 mm over length 50.5 mm (from Z=0.0 to Z=50.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00168", "image": "images/Shaft_00168.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø66.7 mm and length at least 260.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.7 mm over length 18.1 mm (from Z=0.0 to Z=18.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø48.7 mm over length 124.5 mm (from Z=0.0 to Z=237.5).\n10. Finish turn diameter Ø36.4 mm over length 113.0 mm (from Z=0.0 to Z=113.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00725", "image": "images/Shaft_00725.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø56.7 mm and length at least 306.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.7 mm over length 28.1 mm (from Z=0.0 to Z=28.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.6 mm over length 126.7 mm (from Z=0.0 to Z=273.6).\n10. Finish turn diameter Ø34.3 mm over length 35.2 mm (from Z=0.0 to Z=146.9).\n11. Finish turn diameter Ø30.0 mm over length 111.7 mm (from Z=0.0 to Z=111.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00869", "image": "images/Shaft_00869.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø59.4 mm and length at least 276.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.4 mm over length 99.8 mm (from Z=0.0 to Z=99.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.8 mm over length 119.6 mm (from Z=0.0 to Z=171.7).\n10. Finish turn diameter Ø41.5 mm over length 52.1 mm (from Z=0.0 to Z=52.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00218", "image": "images/Shaft_00218.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø66.7 mm and length at least 324.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.7 mm over length 115.3 mm (from Z=0.0 to Z=115.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.4 mm over length 100.1 mm (from Z=0.0 to Z=204.3).\n10. Finish turn diameter Ø44.3 mm over length 104.2 mm (from Z=0.0 to Z=104.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00492", "image": "images/Shaft_00492.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø54.5 mm and length at least 203.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.5 mm over length 40.0 mm (from Z=0.0 to Z=40.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.4 mm over length 44.9 mm (from Z=0.0 to Z=158.7).\n10. Finish turn diameter Ø30.0 mm over length 113.8 mm (from Z=0.0 to Z=113.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00715", "image": "images/Shaft_00715.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø62.9 mm and length at least 229.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.9 mm over length 52.3 mm (from Z=0.0 to Z=52.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø46.8 mm over length 70.3 mm (from Z=0.0 to Z=172.6).\n10. Finish turn diameter Ø32.3 mm over length 102.3 mm (from Z=0.0 to Z=102.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00751", "image": "images/Shaft_00751.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 195.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 179.7 mm (from Z=0.0 to Z=179.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.2 mm over length 10.9 mm (from Z=0.0 to Z=10.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00170", "image": "images/Shaft_00170.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø78.1 mm and length at least 270.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.1 mm over length 30.8 mm (from Z=0.0 to Z=30.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.6 mm over length 159.4 mm (from Z=0.0 to Z=235.1).\n10. Finish turn diameter Ø52.3 mm over length 75.7 mm (from Z=0.0 to Z=75.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00242", "image": "images/Shaft_00242.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø43.1 mm and length at least 304.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.1 mm over length 68.4 mm (from Z=0.0 to Z=68.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.9 mm over length 119.8 mm (from Z=0.0 to Z=231.2).\n10. Finish turn diameter Ø30.0 mm over length 111.4 mm (from Z=0.0 to Z=111.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00980", "image": "images/Shaft_00980.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø42.5 mm and length at least 218.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.5 mm over length 129.2 mm (from Z=0.0 to Z=129.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.4 mm over length 30.5 mm (from Z=0.0 to Z=84.5).\n10. Finish turn diameter Ø30.0 mm over length 54.0 mm (from Z=0.0 to Z=54.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00015", "image": "images/Shaft_00015.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø59.6 mm and length at least 123.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.6 mm over length 43.6 mm (from Z=0.0 to Z=43.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.5 mm over length 33.3 mm (from Z=0.0 to Z=75.3).\n9. Finish turn diameter Ø34.1 mm over length 42.0 mm (from Z=0.0 to Z=42.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00553", "image": "images/Shaft_00553.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø81.8 mm and length at least 83.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.8 mm over length 12.2 mm (from Z=0.0 to Z=12.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø66.0 mm over length 16.7 mm (from Z=0.0 to Z=65.8).\n9. Finish turn diameter Ø47.3 mm over length 18.9 mm (from Z=0.0 to Z=49.1).\n10. Finish turn diameter Ø33.5 mm over length 20.2 mm (from Z=0.0 to Z=30.2).\n11. Finish turn diameter Ø30.0 mm over length 10.0 mm (from Z=0.0 to Z=10.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00667", "image": "images/Shaft_00667.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø57.2 mm and length at least 251.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.2 mm over length 53.1 mm (from Z=0.0 to Z=53.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.5 mm over length 12.6 mm (from Z=0.0 to Z=193.4).\n10. Finish turn diameter Ø34.0 mm over length 50.2 mm (from Z=0.0 to Z=180.8).\n11. Finish turn diameter Ø30.0 mm over length 130.6 mm (from Z=0.0 to Z=130.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00051", "image": "images/Shaft_00051.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø62.5 mm and length at least 302.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.5 mm over length 21.5 mm (from Z=0.0 to Z=21.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.5 mm over length 70.3 mm (from Z=0.0 to Z=275.8).\n10. Finish turn diameter Ø45.4 mm over length 62.6 mm (from Z=0.0 to Z=205.5).\n11. Finish turn diameter Ø38.6 mm over length 77.6 mm (from Z=0.0 to Z=142.9).\n12. Finish turn diameter Ø35.2 mm over length 29.4 mm (from Z=0.0 to Z=65.3).\n13. Finish turn diameter Ø30.0 mm over length 35.9 mm (from Z=0.0 to Z=35.9).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00989", "image": "images/Shaft_00989.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.0 mm and length at least 323.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.0 mm over length 118.3 mm (from Z=0.0 to Z=118.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.2 mm over length 28.0 mm (from Z=0.0 to Z=200.6).\n10. Finish turn diameter Ø35.1 mm over length 44.0 mm (from Z=0.0 to Z=172.6).\n11. Finish turn diameter Ø30.0 mm over length 128.6 mm (from Z=0.0 to Z=128.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00563", "image": "images/Shaft_00563.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø53.7 mm and length at least 240.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.7 mm over length 21.4 mm (from Z=0.0 to Z=21.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.1 mm over length 51.0 mm (from Z=0.0 to Z=214.3).\n10. Finish turn diameter Ø30.0 mm over length 163.3 mm (from Z=0.0 to Z=163.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00453", "image": "images/Shaft_00453.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 103.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 85.3 mm (from Z=0.0 to Z=85.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø26.3 mm over length 13.4 mm (from Z=0.0 to Z=13.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00077", "image": "images/Shaft_00077.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø70.5 mm and length at least 295.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.5 mm over length 95.7 mm (from Z=0.0 to Z=95.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.3 mm over length 68.0 mm (from Z=0.0 to Z=194.8).\n10. Finish turn diameter Ø54.8 mm over length 79.1 mm (from Z=0.0 to Z=126.8).\n11. Finish turn diameter Ø40.0 mm over length 47.7 mm (from Z=0.0 to Z=47.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00255", "image": "images/Shaft_00255.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø38.5 mm and length at least 301.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.5 mm over length 21.9 mm (from Z=0.0 to Z=21.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 274.5 mm (from Z=0.0 to Z=274.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00912", "image": "images/Shaft_00912.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 257.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 229.0 mm (from Z=0.0 to Z=229.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.8 mm over length 23.1 mm (from Z=0.0 to Z=23.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00717", "image": "images/Shaft_00717.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø63.5 mm and length at least 138.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.5 mm over length 12.7 mm (from Z=0.0 to Z=12.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø53.6 mm over length 22.6 mm (from Z=0.0 to Z=120.8).\n9. Finish turn diameter Ø50.0 mm over length 40.1 mm (from Z=0.0 to Z=98.2).\n10. Finish turn diameter Ø41.5 mm over length 43.2 mm (from Z=0.0 to Z=58.1).\n11. Finish turn diameter Ø30.0 mm over length 14.9 mm (from Z=0.0 to Z=14.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00187", "image": "images/Shaft_00187.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.5 mm and length at least 225.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.5 mm over length 112.9 mm (from Z=0.0 to Z=112.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø63.1 mm over length 93.9 mm (from Z=0.0 to Z=107.7).\n10. Finish turn diameter Ø54.9 mm over length 13.8 mm (from Z=0.0 to Z=13.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00829", "image": "images/Shaft_00829.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø58.4 mm and length at least 302.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.4 mm over length 103.4 mm (from Z=0.0 to Z=103.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.5 mm over length 116.8 mm (from Z=0.0 to Z=194.4).\n10. Finish turn diameter Ø37.9 mm over length 77.6 mm (from Z=0.0 to Z=77.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00143", "image": "images/Shaft_00143.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø68.7 mm and length at least 294.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.7 mm over length 33.1 mm (from Z=0.0 to Z=33.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.2 mm over length 54.1 mm (from Z=0.0 to Z=256.8).\n10. Finish turn diameter Ø39.8 mm over length 55.9 mm (from Z=0.0 to Z=202.7).\n11. Finish turn diameter Ø30.0 mm over length 146.8 mm (from Z=0.0 to Z=146.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00966", "image": "images/Shaft_00966.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 247.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 214.6 mm (from Z=0.0 to Z=214.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø28.6 mm over length 28.3 mm (from Z=0.0 to Z=28.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00814", "image": "images/Shaft_00814.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 273.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 190.8 mm (from Z=0.0 to Z=190.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø28.7 mm over length 77.9 mm (from Z=0.0 to Z=77.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00705", "image": "images/Shaft_00705.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø56.5 mm and length at least 172.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.5 mm over length 57.6 mm (from Z=0.0 to Z=57.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.5 mm over length 21.5 mm (from Z=0.0 to Z=109.5).\n9. Finish turn diameter Ø35.1 mm over length 39.2 mm (from Z=0.0 to Z=88.0).\n10. Finish turn diameter Ø30.0 mm over length 48.8 mm (from Z=0.0 to Z=48.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00923", "image": "images/Shaft_00923.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø72.9 mm and length at least 97.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.9 mm over length 38.4 mm (from Z=0.0 to Z=38.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.9 mm over length 18.5 mm (from Z=0.0 to Z=53.7).\n9. Finish turn diameter Ø54.7 mm over length 9.7 mm (from Z=0.0 to Z=35.2).\n10. Finish turn diameter Ø42.6 mm over length 25.5 mm (from Z=0.0 to Z=25.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00254", "image": "images/Shaft_00254.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.5 mm and length at least 186.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.5 mm over length 8.8 mm (from Z=0.0 to Z=8.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø54.4 mm over length 82.2 mm (from Z=0.0 to Z=173.0).\n9. Finish turn diameter Ø51.2 mm over length 82.9 mm (from Z=0.0 to Z=90.8).\n10. Finish turn diameter Ø41.1 mm over length 7.9 mm (from Z=0.0 to Z=7.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00111", "image": "images/Shaft_00111.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø35.3 mm and length at least 73.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.3 mm over length 13.0 mm (from Z=0.0 to Z=13.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 55.2 mm (from Z=0.0 to Z=55.2).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00347", "image": "images/Shaft_00347.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø76.4 mm and length at least 102.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.4 mm over length 20.7 mm (from Z=0.0 to Z=20.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø55.7 mm over length 52.4 mm (from Z=0.0 to Z=77.1).\n9. Finish turn diameter Ø49.7 mm over length 9.2 mm (from Z=0.0 to Z=24.7).\n10. Finish turn diameter Ø30.8 mm over length 15.5 mm (from Z=0.0 to Z=15.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00412", "image": "images/Shaft_00412.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø70.8 mm and length at least 278.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.8 mm over length 15.5 mm (from Z=0.0 to Z=15.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.0 mm over length 37.6 mm (from Z=0.0 to Z=257.7).\n10. Finish turn diameter Ø45.2 mm over length 60.8 mm (from Z=0.0 to Z=220.1).\n11. Finish turn diameter Ø39.6 mm over length 55.3 mm (from Z=0.0 to Z=159.3).\n12. Finish turn diameter Ø30.0 mm over length 104.0 mm (from Z=0.0 to Z=104.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00062", "image": "images/Shaft_00062.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø65.0 mm and length at least 301.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.0 mm over length 43.5 mm (from Z=0.0 to Z=43.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.4 mm over length 35.1 mm (from Z=0.0 to Z=253.1).\n10. Finish turn diameter Ø51.4 mm over length 52.8 mm (from Z=0.0 to Z=218.0).\n11. Finish turn diameter Ø33.1 mm over length 39.0 mm (from Z=0.0 to Z=165.2).\n12. Finish turn diameter Ø30.0 mm over length 126.2 mm (from Z=0.0 to Z=126.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00100", "image": "images/Shaft_00100.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø41.6 mm and length at least 189.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.6 mm over length 68.2 mm (from Z=0.0 to Z=68.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 116.2 mm (from Z=0.0 to Z=116.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00661", "image": "images/Shaft_00661.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø69.4 mm and length at least 84.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.4 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø62.2 mm over length 23.0 mm (from Z=0.0 to Z=74.3).\n9. Finish turn diameter Ø52.4 mm over length 21.2 mm (from Z=0.0 to Z=51.3).\n10. Finish turn diameter Ø45.1 mm over length 15.4 mm (from Z=0.0 to Z=30.1).\n11. Finish turn diameter Ø31.6 mm over length 5.7 mm (from Z=0.0 to Z=14.7).\n12. Finish turn diameter Ø30.0 mm over length 9.0 mm (from Z=0.0 to Z=9.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00669", "image": "images/Shaft_00669.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø50.0 mm and length at least 287.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.0 mm over length 40.1 mm (from Z=0.0 to Z=40.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø32.9 mm over length 19.7 mm (from Z=0.0 to Z=241.9).\n10. Finish turn diameter Ø30.0 mm over length 222.2 mm (from Z=0.0 to Z=222.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00689", "image": "images/Shaft_00689.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.9 mm and length at least 280.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.9 mm over length 29.3 mm (from Z=0.0 to Z=29.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.4 mm over length 126.9 mm (from Z=0.0 to Z=246.0).\n10. Finish turn diameter Ø52.2 mm over length 119.1 mm (from Z=0.0 to Z=119.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00055", "image": "images/Shaft_00055.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø74.6 mm and length at least 134.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.6 mm over length 31.2 mm (from Z=0.0 to Z=31.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø58.2 mm over length 25.4 mm (from Z=0.0 to Z=97.8).\n9. Finish turn diameter Ø54.8 mm over length 30.2 mm (from Z=0.0 to Z=72.4).\n10. Finish turn diameter Ø40.9 mm over length 6.1 mm (from Z=0.0 to Z=42.2).\n11. Finish turn diameter Ø30.3 mm over length 20.3 mm (from Z=0.0 to Z=36.1).\n12. Finish turn diameter Ø30.0 mm over length 15.8 mm (from Z=0.0 to Z=15.8).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00478", "image": "images/Shaft_00478.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø51.7 mm and length at least 210.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.7 mm over length 40.3 mm (from Z=0.0 to Z=40.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø44.8 mm over length 25.3 mm (from Z=0.0 to Z=165.5).\n10. Finish turn diameter Ø32.4 mm over length 38.5 mm (from Z=0.0 to Z=140.2).\n11. Finish turn diameter Ø30.0 mm over length 101.7 mm (from Z=0.0 to Z=101.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00420", "image": "images/Shaft_00420.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.6 mm and length at least 144.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.6 mm over length 54.8 mm (from Z=0.0 to Z=54.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø68.2 mm over length 11.9 mm (from Z=0.0 to Z=84.8).\n9. Finish turn diameter Ø57.1 mm over length 41.5 mm (from Z=0.0 to Z=72.9).\n10. Finish turn diameter Ø47.0 mm over length 31.4 mm (from Z=0.0 to Z=31.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00755", "image": "images/Shaft_00755.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 194.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 125.8 mm (from Z=0.0 to Z=125.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.0 mm over length 63.8 mm (from Z=0.0 to Z=63.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00362", "image": "images/Shaft_00362.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø41.5 mm and length at least 111.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.5 mm over length 18.9 mm (from Z=0.0 to Z=18.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 87.7 mm (from Z=0.0 to Z=87.7).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00441", "image": "images/Shaft_00441.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø44.7 mm and length at least 119.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.7 mm over length 23.6 mm (from Z=0.0 to Z=23.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø36.5 mm over length 21.9 mm (from Z=0.0 to Z=90.4).\n9. Finish turn diameter Ø30.0 mm over length 68.5 mm (from Z=0.0 to Z=68.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00674", "image": "images/Shaft_00674.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.3 mm and length at least 298.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.3 mm over length 66.4 mm (from Z=0.0 to Z=66.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.3 mm over length 57.9 mm (from Z=0.0 to Z=227.0).\n10. Finish turn diameter Ø30.0 mm over length 169.1 mm (from Z=0.0 to Z=169.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00946", "image": "images/Shaft_00946.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.5 mm and length at least 319.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.5 mm over length 27.8 mm (from Z=0.0 to Z=27.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 286.7 mm (from Z=0.0 to Z=286.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00096", "image": "images/Shaft_00096.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø77.3 mm and length at least 142.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.3 mm over length 23.0 mm (from Z=0.0 to Z=23.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø56.7 mm over length 38.9 mm (from Z=0.0 to Z=114.8).\n9. Finish turn diameter Ø40.7 mm over length 10.7 mm (from Z=0.0 to Z=75.9).\n10. Finish turn diameter Ø30.0 mm over length 65.2 mm (from Z=0.0 to Z=65.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00194", "image": "images/Shaft_00194.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 191.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 116.8 mm (from Z=0.0 to Z=116.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.0 mm over length 69.4 mm (from Z=0.0 to Z=69.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00416", "image": "images/Shaft_00416.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 166.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 66.7 mm (from Z=0.0 to Z=66.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø19.4 mm over length 94.4 mm (from Z=0.0 to Z=94.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00709", "image": "images/Shaft_00709.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø65.4 mm and length at least 122.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.4 mm over length 15.9 mm (from Z=0.0 to Z=15.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø54.3 mm over length 57.3 mm (from Z=0.0 to Z=102.0).\n9. Finish turn diameter Ø43.6 mm over length 30.8 mm (from Z=0.0 to Z=44.7).\n10. Finish turn diameter Ø30.0 mm over length 13.9 mm (from Z=0.0 to Z=13.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00248", "image": "images/Shaft_00248.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø64.2 mm and length at least 115.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.2 mm over length 29.1 mm (from Z=0.0 to Z=29.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.0 mm over length 5.0 mm (from Z=0.0 to Z=80.9).\n9. Finish turn diameter Ø36.1 mm over length 28.1 mm (from Z=0.0 to Z=75.9).\n10. Finish turn diameter Ø30.0 mm over length 47.8 mm (from Z=0.0 to Z=47.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00484", "image": "images/Shaft_00484.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.8 mm and length at least 91.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.8 mm over length 25.2 mm (from Z=0.0 to Z=25.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø59.9 mm over length 30.0 mm (from Z=0.0 to Z=61.7).\n9. Finish turn diameter Ø45.3 mm over length 9.1 mm (from Z=0.0 to Z=31.7).\n10. Finish turn diameter Ø42.0 mm over length 10.6 mm (from Z=0.0 to Z=22.6).\n11. Finish turn diameter Ø35.9 mm over length 12.0 mm (from Z=0.0 to Z=12.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00590", "image": "images/Shaft_00590.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø66.6 mm and length at least 263.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.6 mm over length 87.0 mm (from Z=0.0 to Z=87.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.4 mm over length 56.4 mm (from Z=0.0 to Z=171.3).\n10. Finish turn diameter Ø41.4 mm over length 13.4 mm (from Z=0.0 to Z=114.9).\n11. Finish turn diameter Ø32.1 mm over length 101.5 mm (from Z=0.0 to Z=101.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00584", "image": "images/Shaft_00584.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.4 mm and length at least 90.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.4 mm over length 36.3 mm (from Z=0.0 to Z=36.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø32.8 mm over length 12.0 mm (from Z=0.0 to Z=49.6).\n9. Finish turn diameter Ø30.0 mm over length 37.6 mm (from Z=0.0 to Z=37.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00135", "image": "images/Shaft_00135.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø39.3 mm and length at least 135.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.3 mm over length 22.9 mm (from Z=0.0 to Z=22.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 107.9 mm (from Z=0.0 to Z=107.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00753", "image": "images/Shaft_00753.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø54.8 mm and length at least 207.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.8 mm over length 71.0 mm (from Z=0.0 to Z=71.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.5 mm over length 24.3 mm (from Z=0.0 to Z=131.9).\n10. Finish turn diameter Ø30.0 mm over length 107.6 mm (from Z=0.0 to Z=107.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00219", "image": "images/Shaft_00219.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø35.0 mm and length at least 316.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.0 mm over length 20.2 mm (from Z=0.0 to Z=20.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 291.5 mm (from Z=0.0 to Z=291.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00767", "image": "images/Shaft_00767.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø35.6 mm and length at least 186.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.6 mm over length 51.6 mm (from Z=0.0 to Z=51.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 129.7 mm (from Z=0.0 to Z=129.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00685", "image": "images/Shaft_00685.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.6 mm and length at least 181.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.6 mm over length 52.9 mm (from Z=0.0 to Z=52.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.3 mm over length 49.5 mm (from Z=0.0 to Z=123.7).\n9. Finish turn diameter Ø33.9 mm over length 26.1 mm (from Z=0.0 to Z=74.2).\n10. Finish turn diameter Ø30.0 mm over length 48.1 mm (from Z=0.0 to Z=48.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00285", "image": "images/Shaft_00285.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø50.2 mm and length at least 287.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.2 mm over length 76.4 mm (from Z=0.0 to Z=76.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.9 mm over length 73.4 mm (from Z=0.0 to Z=206.0).\n10. Finish turn diameter Ø34.4 mm over length 84.3 mm (from Z=0.0 to Z=132.6).\n11. Finish turn diameter Ø30.0 mm over length 48.3 mm (from Z=0.0 to Z=48.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00243", "image": "images/Shaft_00243.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø64.4 mm and length at least 110.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.4 mm over length 10.8 mm (from Z=0.0 to Z=10.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.8 mm over length 12.3 mm (from Z=0.0 to Z=94.3).\n9. Finish turn diameter Ø47.8 mm over length 24.1 mm (from Z=0.0 to Z=82.0).\n10. Finish turn diameter Ø38.0 mm over length 14.7 mm (from Z=0.0 to Z=57.9).\n11. Finish turn diameter Ø32.0 mm over length 14.1 mm (from Z=0.0 to Z=43.2).\n12. Finish turn diameter Ø30.0 mm over length 29.1 mm (from Z=0.0 to Z=29.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00526", "image": "images/Shaft_00526.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø39.2 mm and length at least 245.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.2 mm over length 28.8 mm (from Z=0.0 to Z=28.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.6 mm over length 66.1 mm (from Z=0.0 to Z=212.0).\n10. Finish turn diameter Ø30.0 mm over length 145.9 mm (from Z=0.0 to Z=145.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00728", "image": "images/Shaft_00728.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø81.7 mm and length at least 155.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.7 mm over length 58.9 mm (from Z=0.0 to Z=58.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø72.8 mm over length 52.1 mm (from Z=0.0 to Z=91.9).\n9. Finish turn diameter Ø56.4 mm over length 7.1 mm (from Z=0.0 to Z=39.8).\n10. Finish turn diameter Ø41.3 mm over length 32.7 mm (from Z=0.0 to Z=32.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00338", "image": "images/Shaft_00338.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø52.2 mm and length at least 121.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.2 mm over length 17.2 mm (from Z=0.0 to Z=17.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø34.1 mm over length 15.1 mm (from Z=0.0 to Z=99.6).\n9. Finish turn diameter Ø30.0 mm over length 84.5 mm (from Z=0.0 to Z=84.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00872", "image": "images/Shaft_00872.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø42.3 mm and length at least 85.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.3 mm over length 18.8 mm (from Z=0.0 to Z=18.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 61.2 mm (from Z=0.0 to Z=61.2).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00069", "image": "images/Shaft_00069.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.9 mm and length at least 111.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.9 mm over length 28.4 mm (from Z=0.0 to Z=28.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 78.3 mm (from Z=0.0 to Z=78.3).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00874", "image": "images/Shaft_00874.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø55.1 mm and length at least 203.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.1 mm over length 22.3 mm (from Z=0.0 to Z=22.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.2 mm over length 43.1 mm (from Z=0.0 to Z=176.6).\n10. Finish turn diameter Ø30.0 mm over length 133.5 mm (from Z=0.0 to Z=133.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00060", "image": "images/Shaft_00060.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø54.0 mm and length at least 170.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.0 mm over length 21.8 mm (from Z=0.0 to Z=21.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.7 mm over length 58.5 mm (from Z=0.0 to Z=143.3).\n9. Finish turn diameter Ø30.0 mm over length 84.8 mm (from Z=0.0 to Z=84.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00646", "image": "images/Shaft_00646.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø78.3 mm and length at least 162.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.3 mm over length 46.3 mm (from Z=0.0 to Z=46.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.8 mm over length 15.4 mm (from Z=0.0 to Z=111.3).\n9. Finish turn diameter Ø50.5 mm over length 45.9 mm (from Z=0.0 to Z=95.9).\n10. Finish turn diameter Ø38.4 mm over length 13.1 mm (from Z=0.0 to Z=50.0).\n11. Finish turn diameter Ø30.0 mm over length 36.9 mm (from Z=0.0 to Z=36.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00724", "image": "images/Shaft_00724.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø65.5 mm and length at least 286.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.5 mm over length 105.5 mm (from Z=0.0 to Z=105.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø56.2 mm over length 15.1 mm (from Z=0.0 to Z=175.7).\n10. Finish turn diameter Ø51.2 mm over length 160.6 mm (from Z=0.0 to Z=160.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00072", "image": "images/Shaft_00072.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø68.9 mm and length at least 122.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.9 mm over length 29.6 mm (from Z=0.0 to Z=29.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø61.3 mm over length 34.1 mm (from Z=0.0 to Z=88.3).\n9. Finish turn diameter Ø47.1 mm over length 15.4 mm (from Z=0.0 to Z=54.2).\n10. Finish turn diameter Ø30.9 mm over length 38.8 mm (from Z=0.0 to Z=38.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00007", "image": "images/Shaft_00007.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø33.0 mm and length at least 213.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.0 mm over length 24.1 mm (from Z=0.0 to Z=24.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 184.8 mm (from Z=0.0 to Z=184.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00967", "image": "images/Shaft_00967.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø35.3 mm and length at least 305.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.3 mm over length 31.1 mm (from Z=0.0 to Z=31.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 269.4 mm (from Z=0.0 to Z=269.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00734", "image": "images/Shaft_00734.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø36.8 mm and length at least 267.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.8 mm over length 98.3 mm (from Z=0.0 to Z=98.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 164.4 mm (from Z=0.0 to Z=164.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00235", "image": "images/Shaft_00235.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø65.6 mm and length at least 285.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.6 mm over length 50.9 mm (from Z=0.0 to Z=50.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.0 mm over length 55.5 mm (from Z=0.0 to Z=229.6).\n10. Finish turn diameter Ø33.4 mm over length 50.5 mm (from Z=0.0 to Z=174.1).\n11. Finish turn diameter Ø30.0 mm over length 123.6 mm (from Z=0.0 to Z=123.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00567", "image": "images/Shaft_00567.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø42.7 mm and length at least 306.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.7 mm over length 120.4 mm (from Z=0.0 to Z=120.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 180.7 mm (from Z=0.0 to Z=180.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00602", "image": "images/Shaft_00602.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø45.7 mm and length at least 266.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.7 mm over length 51.5 mm (from Z=0.0 to Z=51.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 209.8 mm (from Z=0.0 to Z=209.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00021", "image": "images/Shaft_00021.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø49.7 mm and length at least 311.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.7 mm over length 51.5 mm (from Z=0.0 to Z=51.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.0 mm over length 71.1 mm (from Z=0.0 to Z=255.2).\n10. Finish turn diameter Ø30.0 mm over length 184.1 mm (from Z=0.0 to Z=184.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00346", "image": "images/Shaft_00346.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø66.6 mm and length at least 211.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.6 mm over length 101.9 mm (from Z=0.0 to Z=101.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.1 mm over length 48.1 mm (from Z=0.0 to Z=104.7).\n10. Finish turn diameter Ø46.7 mm over length 56.6 mm (from Z=0.0 to Z=56.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00827", "image": "images/Shaft_00827.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 123.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 79.2 mm (from Z=0.0 to Z=79.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø27.1 mm over length 38.9 mm (from Z=0.0 to Z=38.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00230", "image": "images/Shaft_00230.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø43.6 mm and length at least 160.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.6 mm over length 42.1 mm (from Z=0.0 to Z=42.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.1 mm over length 44.2 mm (from Z=0.0 to Z=113.1).\n9. Finish turn diameter Ø30.0 mm over length 68.9 mm (from Z=0.0 to Z=68.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00253", "image": "images/Shaft_00253.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø43.7 mm and length at least 115.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.7 mm over length 36.2 mm (from Z=0.0 to Z=36.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.8 mm over length 43.8 mm (from Z=0.0 to Z=74.5).\n9. Finish turn diameter Ø30.0 mm over length 30.7 mm (from Z=0.0 to Z=30.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00123", "image": "images/Shaft_00123.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø81.7 mm and length at least 77.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.7 mm over length 12.9 mm (from Z=0.0 to Z=12.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø71.7 mm over length 10.9 mm (from Z=0.0 to Z=59.5).\n9. Finish turn diameter Ø52.6 mm over length 17.8 mm (from Z=0.0 to Z=48.6).\n10. Finish turn diameter Ø35.9 mm over length 10.7 mm (from Z=0.0 to Z=30.8).\n11. Finish turn diameter Ø32.4 mm over length 5.0 mm (from Z=0.0 to Z=20.1).\n12. Finish turn diameter Ø30.0 mm over length 15.1 mm (from Z=0.0 to Z=15.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00462", "image": "images/Shaft_00462.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø61.2 mm and length at least 266.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.2 mm over length 15.1 mm (from Z=0.0 to Z=15.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.5 mm over length 120.5 mm (from Z=0.0 to Z=246.1).\n10. Finish turn diameter Ø47.9 mm over length 125.6 mm (from Z=0.0 to Z=125.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00529", "image": "images/Shaft_00529.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø81.6 mm and length at least 279.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.6 mm over length 24.6 mm (from Z=0.0 to Z=24.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø71.7 mm over length 62.1 mm (from Z=0.0 to Z=250.3).\n10. Finish turn diameter Ø63.1 mm over length 31.0 mm (from Z=0.0 to Z=188.2).\n11. Finish turn diameter Ø43.3 mm over length 85.5 mm (from Z=0.0 to Z=157.2).\n12. Finish turn diameter Ø30.0 mm over length 71.7 mm (from Z=0.0 to Z=71.7).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00448", "image": "images/Shaft_00448.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 224.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 171.4 mm (from Z=0.0 to Z=171.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.0 mm over length 47.9 mm (from Z=0.0 to Z=47.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00831", "image": "images/Shaft_00831.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø57.3 mm and length at least 154.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.3 mm over length 13.5 mm (from Z=0.0 to Z=13.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø40.7 mm over length 47.3 mm (from Z=0.0 to Z=136.3).\n9. Finish turn diameter Ø32.6 mm over length 47.9 mm (from Z=0.0 to Z=89.0).\n10. Finish turn diameter Ø30.0 mm over length 41.1 mm (from Z=0.0 to Z=41.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00971", "image": "images/Shaft_00971.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø52.5 mm and length at least 157.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.5 mm over length 59.8 mm (from Z=0.0 to Z=59.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø47.0 mm over length 18.3 mm (from Z=0.0 to Z=93.0).\n9. Finish turn diameter Ø35.9 mm over length 74.7 mm (from Z=0.0 to Z=74.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00687", "image": "images/Shaft_00687.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø73.2 mm and length at least 271.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.2 mm over length 107.4 mm (from Z=0.0 to Z=107.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.5 mm over length 58.3 mm (from Z=0.0 to Z=158.6).\n10. Finish turn diameter Ø50.9 mm over length 33.1 mm (from Z=0.0 to Z=100.3).\n11. Finish turn diameter Ø40.8 mm over length 67.2 mm (from Z=0.0 to Z=67.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00844", "image": "images/Shaft_00844.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø40.8 mm and length at least 128.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.8 mm over length 22.3 mm (from Z=0.0 to Z=22.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 100.7 mm (from Z=0.0 to Z=100.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00319", "image": "images/Shaft_00319.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø36.2 mm and length at least 111.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.2 mm over length 24.4 mm (from Z=0.0 to Z=24.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 81.6 mm (from Z=0.0 to Z=81.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00730", "image": "images/Shaft_00730.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø56.7 mm and length at least 270.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.7 mm over length 70.4 mm (from Z=0.0 to Z=70.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø50.5 mm over length 13.7 mm (from Z=0.0 to Z=195.3).\n10. Finish turn diameter Ø42.1 mm over length 50.6 mm (from Z=0.0 to Z=181.6).\n11. Finish turn diameter Ø32.4 mm over length 85.6 mm (from Z=0.0 to Z=131.0).\n12. Finish turn diameter Ø30.0 mm over length 45.4 mm (from Z=0.0 to Z=45.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00205", "image": "images/Shaft_00205.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø54.0 mm and length at least 309.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.0 mm over length 26.5 mm (from Z=0.0 to Z=26.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø46.4 mm over length 81.6 mm (from Z=0.0 to Z=278.0).\n10. Finish turn diameter Ø34.4 mm over length 66.0 mm (from Z=0.0 to Z=196.4).\n11. Finish turn diameter Ø30.0 mm over length 130.4 mm (from Z=0.0 to Z=130.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00706", "image": "images/Shaft_00706.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.5 mm and length at least 174.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.5 mm over length 63.8 mm (from Z=0.0 to Z=63.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.7 mm over length 12.2 mm (from Z=0.0 to Z=105.5).\n10. Finish turn diameter Ø30.0 mm over length 93.3 mm (from Z=0.0 to Z=93.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00938", "image": "images/Shaft_00938.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 172.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 145.4 mm (from Z=0.0 to Z=145.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.8 mm over length 21.6 mm (from Z=0.0 to Z=21.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00784", "image": "images/Shaft_00784.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø75.6 mm and length at least 240.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.6 mm over length 15.0 mm (from Z=0.0 to Z=15.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø55.5 mm over length 39.5 mm (from Z=0.0 to Z=220.9).\n10. Finish turn diameter Ø46.0 mm over length 39.3 mm (from Z=0.0 to Z=181.4).\n11. Finish turn diameter Ø38.8 mm over length 6.9 mm (from Z=0.0 to Z=142.1).\n12. Finish turn diameter Ø32.7 mm over length 60.9 mm (from Z=0.0 to Z=135.2).\n13. Finish turn diameter Ø30.0 mm over length 74.3 mm (from Z=0.0 to Z=74.3).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00866", "image": "images/Shaft_00866.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.2 mm and length at least 114.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.2 mm over length 41.0 mm (from Z=0.0 to Z=41.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 68.0 mm (from Z=0.0 to Z=68.0).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00433", "image": "images/Shaft_00433.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø49.4 mm and length at least 116.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.4 mm over length 28.1 mm (from Z=0.0 to Z=28.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.2 mm over length 25.4 mm (from Z=0.0 to Z=83.6).\n9. Finish turn diameter Ø30.0 mm over length 58.2 mm (from Z=0.0 to Z=58.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00621", "image": "images/Shaft_00621.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.1 mm and length at least 198.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.1 mm over length 22.0 mm (from Z=0.0 to Z=22.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø46.3 mm over length 58.7 mm (from Z=0.0 to Z=171.8).\n10. Finish turn diameter Ø40.7 mm over length 48.5 mm (from Z=0.0 to Z=113.1).\n11. Finish turn diameter Ø30.0 mm over length 64.6 mm (from Z=0.0 to Z=64.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00540", "image": "images/Shaft_00540.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø79.2 mm and length at least 212.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.2 mm over length 9.2 mm (from Z=0.0 to Z=9.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø64.9 mm over length 17.9 mm (from Z=0.0 to Z=198.3).\n10. Finish turn diameter Ø48.0 mm over length 9.3 mm (from Z=0.0 to Z=180.4).\n11. Finish turn diameter Ø35.7 mm over length 37.6 mm (from Z=0.0 to Z=171.1).\n12. Finish turn diameter Ø30.0 mm over length 133.5 mm (from Z=0.0 to Z=133.5).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00855", "image": "images/Shaft_00855.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø54.7 mm and length at least 111.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.7 mm over length 10.9 mm (from Z=0.0 to Z=10.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø43.0 mm over length 29.7 mm (from Z=0.0 to Z=95.4).\n9. Finish turn diameter Ø34.6 mm over length 5.0 mm (from Z=0.0 to Z=65.7).\n10. Finish turn diameter Ø30.0 mm over length 60.7 mm (from Z=0.0 to Z=60.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00169", "image": "images/Shaft_00169.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø55.9 mm and length at least 74.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.9 mm over length 9.7 mm (from Z=0.0 to Z=9.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø45.6 mm over length 7.1 mm (from Z=0.0 to Z=60.0).\n9. Finish turn diameter Ø30.3 mm over length 8.9 mm (from Z=0.0 to Z=52.9).\n10. Finish turn diameter Ø30.0 mm over length 44.0 mm (from Z=0.0 to Z=44.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00562", "image": "images/Shaft_00562.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø81.2 mm and length at least 175.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.2 mm over length 52.6 mm (from Z=0.0 to Z=52.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø69.6 mm over length 47.9 mm (from Z=0.0 to Z=118.1).\n9. Finish turn diameter Ø62.2 mm over length 8.4 mm (from Z=0.0 to Z=70.2).\n10. Finish turn diameter Ø43.8 mm over length 30.1 mm (from Z=0.0 to Z=61.8).\n11. Finish turn diameter Ø31.4 mm over length 31.7 mm (from Z=0.0 to Z=31.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00486", "image": "images/Shaft_00486.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø53.6 mm and length at least 190.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.6 mm over length 31.0 mm (from Z=0.0 to Z=31.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø43.3 mm over length 109.5 mm (from Z=0.0 to Z=154.9).\n9. Finish turn diameter Ø30.0 mm over length 45.4 mm (from Z=0.0 to Z=45.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00675", "image": "images/Shaft_00675.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø51.4 mm and length at least 83.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.4 mm over length 12.0 mm (from Z=0.0 to Z=12.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.6 mm over length 14.0 mm (from Z=0.0 to Z=66.7).\n9. Finish turn diameter Ø30.0 mm over length 52.7 mm (from Z=0.0 to Z=52.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00131", "image": "images/Shaft_00131.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø41.4 mm and length at least 194.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.4 mm over length 8.7 mm (from Z=0.0 to Z=8.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.1 mm over length 11.9 mm (from Z=0.0 to Z=180.5).\n10. Finish turn diameter Ø30.0 mm over length 168.6 mm (from Z=0.0 to Z=168.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00128", "image": "images/Shaft_00128.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø77.4 mm and length at least 185.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.4 mm over length 63.6 mm (from Z=0.0 to Z=63.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø66.4 mm over length 53.6 mm (from Z=0.0 to Z=116.6).\n9. Finish turn diameter Ø46.6 mm over length 63.0 mm (from Z=0.0 to Z=63.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00545", "image": "images/Shaft_00545.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø60.3 mm and length at least 261.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.3 mm over length 66.9 mm (from Z=0.0 to Z=66.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø42.1 mm over length 45.4 mm (from Z=0.0 to Z=189.9).\n10. Finish turn diameter Ø33.8 mm over length 43.5 mm (from Z=0.0 to Z=144.5).\n11. Finish turn diameter Ø30.0 mm over length 101.0 mm (from Z=0.0 to Z=101.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00070", "image": "images/Shaft_00070.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø33.4 mm and length at least 111.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.4 mm over length 31.0 mm (from Z=0.0 to Z=31.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 75.0 mm (from Z=0.0 to Z=75.0).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00497", "image": "images/Shaft_00497.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø61.5 mm and length at least 299.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.5 mm over length 73.4 mm (from Z=0.0 to Z=73.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.0 mm over length 42.8 mm (from Z=0.0 to Z=220.7).\n10. Finish turn diameter Ø31.6 mm over length 75.0 mm (from Z=0.0 to Z=177.9).\n11. Finish turn diameter Ø30.0 mm over length 102.9 mm (from Z=0.0 to Z=102.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00749", "image": "images/Shaft_00749.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø39.7 mm and length at least 72.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.7 mm over length 20.2 mm (from Z=0.0 to Z=20.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 47.3 mm (from Z=0.0 to Z=47.3).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00087", "image": "images/Shaft_00087.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø52.9 mm and length at least 156.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.9 mm over length 35.5 mm (from Z=0.0 to Z=35.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø32.8 mm over length 67.2 mm (from Z=0.0 to Z=115.5).\n9. Finish turn diameter Ø30.0 mm over length 48.3 mm (from Z=0.0 to Z=48.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00933", "image": "images/Shaft_00933.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 138.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 80.1 mm (from Z=0.0 to Z=80.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø29.4 mm over length 53.1 mm (from Z=0.0 to Z=53.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00865", "image": "images/Shaft_00865.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø79.8 mm and length at least 205.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.8 mm over length 55.1 mm (from Z=0.0 to Z=55.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.8 mm over length 45.8 mm (from Z=0.0 to Z=145.4).\n10. Finish turn diameter Ø58.7 mm over length 46.9 mm (from Z=0.0 to Z=99.6).\n11. Finish turn diameter Ø53.7 mm over length 25.8 mm (from Z=0.0 to Z=52.7).\n12. Finish turn diameter Ø35.0 mm over length 26.9 mm (from Z=0.0 to Z=26.9).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00246", "image": "images/Shaft_00246.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø66.3 mm and length at least 193.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.3 mm over length 95.6 mm (from Z=0.0 to Z=95.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø57.5 mm over length 19.4 mm (from Z=0.0 to Z=92.9).\n9. Finish turn diameter Ø51.7 mm over length 73.5 mm (from Z=0.0 to Z=73.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00059", "image": "images/Shaft_00059.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø58.4 mm and length at least 246.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.4 mm over length 106.6 mm (from Z=0.0 to Z=106.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.6 mm over length 101.3 mm (from Z=0.0 to Z=135.1).\n10. Finish turn diameter Ø33.8 mm over length 33.8 mm (from Z=0.0 to Z=33.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00245", "image": "images/Shaft_00245.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø74.2 mm and length at least 238.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.2 mm over length 49.6 mm (from Z=0.0 to Z=49.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.2 mm over length 125.9 mm (from Z=0.0 to Z=184.3).\n10. Finish turn diameter Ø38.2 mm over length 58.4 mm (from Z=0.0 to Z=58.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00314", "image": "images/Shaft_00314.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 257.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 149.7 mm (from Z=0.0 to Z=149.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.1 mm over length 102.3 mm (from Z=0.0 to Z=102.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00371", "image": "images/Shaft_00371.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø66.0 mm and length at least 129.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.0 mm over length 6.2 mm (from Z=0.0 to Z=6.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.0 mm over length 27.7 mm (from Z=0.0 to Z=117.9).\n9. Finish turn diameter Ø44.1 mm over length 38.1 mm (from Z=0.0 to Z=90.2).\n10. Finish turn diameter Ø30.0 mm over length 52.1 mm (from Z=0.0 to Z=52.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00808", "image": "images/Shaft_00808.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø58.7 mm and length at least 298.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.7 mm over length 34.7 mm (from Z=0.0 to Z=34.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.3 mm over length 39.7 mm (from Z=0.0 to Z=258.5).\n10. Finish turn diameter Ø30.0 mm over length 218.8 mm (from Z=0.0 to Z=218.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00019", "image": "images/Shaft_00019.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 126.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 61.2 mm (from Z=0.0 to Z=61.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø19.5 mm over length 60.7 mm (from Z=0.0 to Z=60.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00500", "image": "images/Shaft_00500.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.2 mm and length at least 178.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.2 mm over length 31.2 mm (from Z=0.0 to Z=31.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø57.7 mm over length 113.6 mm (from Z=0.0 to Z=142.3).\n9. Finish turn diameter Ø44.7 mm over length 28.7 mm (from Z=0.0 to Z=28.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00331", "image": "images/Shaft_00331.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø44.1 mm and length at least 294.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.1 mm over length 32.7 mm (from Z=0.0 to Z=32.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 257.0 mm (from Z=0.0 to Z=257.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00613", "image": "images/Shaft_00613.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.9 mm and length at least 316.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.9 mm over length 87.3 mm (from Z=0.0 to Z=87.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø74.8 mm over length 31.9 mm (from Z=0.0 to Z=223.9).\n10. Finish turn diameter Ø54.9 mm over length 76.9 mm (from Z=0.0 to Z=192.0).\n11. Finish turn diameter Ø43.4 mm over length 73.1 mm (from Z=0.0 to Z=115.1).\n12. Finish turn diameter Ø39.3 mm over length 42.0 mm (from Z=0.0 to Z=42.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00000", "image": "images/Shaft_00000.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø74.7 mm and length at least 238.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.7 mm over length 22.3 mm (from Z=0.0 to Z=22.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø63.6 mm over length 58.3 mm (from Z=0.0 to Z=210.9).\n10. Finish turn diameter Ø46.8 mm over length 52.1 mm (from Z=0.0 to Z=152.6).\n11. Finish turn diameter Ø30.0 mm over length 100.5 mm (from Z=0.0 to Z=100.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00543", "image": "images/Shaft_00543.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø81.9 mm and length at least 74.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.9 mm over length 5.1 mm (from Z=0.0 to Z=5.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø66.6 mm over length 13.3 mm (from Z=0.0 to Z=64.6).\n9. Finish turn diameter Ø57.2 mm over length 14.8 mm (from Z=0.0 to Z=51.3).\n10. Finish turn diameter Ø45.8 mm over length 10.2 mm (from Z=0.0 to Z=36.5).\n11. Finish turn diameter Ø30.0 mm over length 26.3 mm (from Z=0.0 to Z=26.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00552", "image": "images/Shaft_00552.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø64.9 mm and length at least 147.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.9 mm over length 27.6 mm (from Z=0.0 to Z=27.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø53.8 mm over length 33.3 mm (from Z=0.0 to Z=114.5).\n9. Finish turn diameter Ø46.4 mm over length 26.2 mm (from Z=0.0 to Z=81.2).\n10. Finish turn diameter Ø35.8 mm over length 31.7 mm (from Z=0.0 to Z=55.0).\n11. Finish turn diameter Ø30.0 mm over length 23.3 mm (from Z=0.0 to Z=23.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00165", "image": "images/Shaft_00165.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø40.8 mm and length at least 261.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.8 mm over length 97.0 mm (from Z=0.0 to Z=97.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.3 mm over length 91.1 mm (from Z=0.0 to Z=159.3).\n10. Finish turn diameter Ø30.0 mm over length 68.2 mm (from Z=0.0 to Z=68.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00798", "image": "images/Shaft_00798.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø35.2 mm and length at least 73.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.2 mm over length 9.5 mm (from Z=0.0 to Z=9.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 59.1 mm (from Z=0.0 to Z=59.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00382", "image": "images/Shaft_00382.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø47.0 mm and length at least 227.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.0 mm over length 22.4 mm (from Z=0.0 to Z=22.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.7 mm over length 54.1 mm (from Z=0.0 to Z=199.9).\n10. Finish turn diameter Ø30.0 mm over length 145.8 mm (from Z=0.0 to Z=145.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00834", "image": "images/Shaft_00834.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø34.1 mm and length at least 318.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.1 mm over length 77.9 mm (from Z=0.0 to Z=77.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 235.3 mm (from Z=0.0 to Z=235.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00973", "image": "images/Shaft_00973.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø49.2 mm and length at least 215.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.2 mm over length 147.5 mm (from Z=0.0 to Z=147.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø40.8 mm over length 24.2 mm (from Z=0.0 to Z=62.5).\n10. Finish turn diameter Ø33.6 mm over length 38.3 mm (from Z=0.0 to Z=38.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00894", "image": "images/Shaft_00894.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø37.7 mm and length at least 188.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.7 mm over length 11.2 mm (from Z=0.0 to Z=11.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 172.7 mm (from Z=0.0 to Z=172.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00796", "image": "images/Shaft_00796.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø60.5 mm and length at least 221.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.5 mm over length 100.2 mm (from Z=0.0 to Z=100.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.7 mm over length 27.7 mm (from Z=0.0 to Z=116.1).\n10. Finish turn diameter Ø40.6 mm over length 88.4 mm (from Z=0.0 to Z=88.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00999", "image": "images/Shaft_00999.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø59.1 mm and length at least 177.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.1 mm over length 16.4 mm (from Z=0.0 to Z=16.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.0 mm over length 32.5 mm (from Z=0.0 to Z=155.7).\n9. Finish turn diameter Ø35.5 mm over length 45.8 mm (from Z=0.0 to Z=123.2).\n10. Finish turn diameter Ø30.0 mm over length 77.4 mm (from Z=0.0 to Z=77.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00305", "image": "images/Shaft_00305.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø38.9 mm and length at least 281.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.9 mm over length 91.5 mm (from Z=0.0 to Z=91.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 184.6 mm (from Z=0.0 to Z=184.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00640", "image": "images/Shaft_00640.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø53.1 mm and length at least 287.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.1 mm over length 71.0 mm (from Z=0.0 to Z=71.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.2 mm over length 44.2 mm (from Z=0.0 to Z=211.2).\n10. Finish turn diameter Ø34.6 mm over length 38.7 mm (from Z=0.0 to Z=167.0).\n11. Finish turn diameter Ø30.0 mm over length 128.3 mm (from Z=0.0 to Z=128.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00108", "image": "images/Shaft_00108.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.5 mm and length at least 110.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.5 mm over length 16.4 mm (from Z=0.0 to Z=16.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.6 mm over length 51.3 mm (from Z=0.0 to Z=89.4).\n9. Finish turn diameter Ø36.2 mm over length 38.1 mm (from Z=0.0 to Z=38.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00519", "image": "images/Shaft_00519.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.1 mm and length at least 67.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.1 mm over length 19.4 mm (from Z=0.0 to Z=19.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø40.7 mm over length 6.2 mm (from Z=0.0 to Z=43.3).\n9. Finish turn diameter Ø30.0 mm over length 37.1 mm (from Z=0.0 to Z=37.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00182", "image": "images/Shaft_00182.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.7 mm and length at least 250.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.7 mm over length 9.7 mm (from Z=0.0 to Z=9.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.0 mm over length 21.2 mm (from Z=0.0 to Z=235.4).\n10. Finish turn diameter Ø46.5 mm over length 55.8 mm (from Z=0.0 to Z=214.2).\n11. Finish turn diameter Ø30.5 mm over length 69.4 mm (from Z=0.0 to Z=158.4).\n12. Finish turn diameter Ø30.0 mm over length 89.0 mm (from Z=0.0 to Z=89.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00780", "image": "images/Shaft_00780.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø75.9 mm and length at least 216.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.9 mm over length 14.7 mm (from Z=0.0 to Z=14.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.4 mm over length 9.4 mm (from Z=0.0 to Z=196.7).\n10. Finish turn diameter Ø53.9 mm over length 42.3 mm (from Z=0.0 to Z=187.3).\n11. Finish turn diameter Ø47.3 mm over length 74.8 mm (from Z=0.0 to Z=145.0).\n12. Finish turn diameter Ø30.0 mm over length 70.2 mm (from Z=0.0 to Z=70.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00512", "image": "images/Shaft_00512.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 220.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 160.9 mm (from Z=0.0 to Z=160.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.9 mm over length 54.6 mm (from Z=0.0 to Z=54.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00930", "image": "images/Shaft_00930.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø53.1 mm and length at least 180.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.1 mm over length 55.2 mm (from Z=0.0 to Z=55.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.2 mm over length 19.7 mm (from Z=0.0 to Z=120.2).\n9. Finish turn diameter Ø31.5 mm over length 76.8 mm (from Z=0.0 to Z=100.5).\n10. Finish turn diameter Ø30.0 mm over length 23.7 mm (from Z=0.0 to Z=23.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00736", "image": "images/Shaft_00736.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø75.6 mm and length at least 70.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.6 mm over length 10.7 mm (from Z=0.0 to Z=10.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø70.0 mm over length 7.5 mm (from Z=0.0 to Z=54.4).\n9. Finish turn diameter Ø66.3 mm over length 10.2 mm (from Z=0.0 to Z=46.9).\n10. Finish turn diameter Ø57.6 mm over length 7.3 mm (from Z=0.0 to Z=36.7).\n11. Finish turn diameter Ø42.1 mm over length 15.0 mm (from Z=0.0 to Z=29.4).\n12. Finish turn diameter Ø32.6 mm over length 14.4 mm (from Z=0.0 to Z=14.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00739", "image": "images/Shaft_00739.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø36.3 mm and length at least 252.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.3 mm over length 158.3 mm (from Z=0.0 to Z=158.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 89.5 mm (from Z=0.0 to Z=89.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00003", "image": "images/Shaft_00003.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø39.3 mm and length at least 249.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.3 mm over length 59.8 mm (from Z=0.0 to Z=59.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 185.1 mm (from Z=0.0 to Z=185.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00908", "image": "images/Shaft_00908.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø47.9 mm and length at least 112.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.9 mm over length 22.8 mm (from Z=0.0 to Z=22.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.6 mm over length 8.9 mm (from Z=0.0 to Z=84.5).\n9. Finish turn diameter Ø30.0 mm over length 75.6 mm (from Z=0.0 to Z=75.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00161", "image": "images/Shaft_00161.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.0 mm and length at least 123.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.0 mm over length 57.5 mm (from Z=0.0 to Z=57.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 61.0 mm (from Z=0.0 to Z=61.0).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00445", "image": "images/Shaft_00445.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø59.8 mm and length at least 139.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.8 mm over length 66.6 mm (from Z=0.0 to Z=66.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø46.1 mm over length 50.6 mm (from Z=0.0 to Z=67.8).\n9. Finish turn diameter Ø38.3 mm over length 17.2 mm (from Z=0.0 to Z=17.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00931", "image": "images/Shaft_00931.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø42.1 mm and length at least 284.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.1 mm over length 77.4 mm (from Z=0.0 to Z=77.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 202.0 mm (from Z=0.0 to Z=202.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00998", "image": "images/Shaft_00998.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.4 mm and length at least 312.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.4 mm over length 37.0 mm (from Z=0.0 to Z=37.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 270.4 mm (from Z=0.0 to Z=270.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00955", "image": "images/Shaft_00955.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø74.4 mm and length at least 80.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.4 mm over length 11.8 mm (from Z=0.0 to Z=11.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø59.3 mm over length 33.8 mm (from Z=0.0 to Z=63.5).\n9. Finish turn diameter Ø44.2 mm over length 29.7 mm (from Z=0.0 to Z=29.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00656", "image": "images/Shaft_00656.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.8 mm and length at least 249.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.8 mm over length 56.7 mm (from Z=0.0 to Z=56.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 187.7 mm (from Z=0.0 to Z=187.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00787", "image": "images/Shaft_00787.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø40.3 mm and length at least 120.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.3 mm over length 42.1 mm (from Z=0.0 to Z=42.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø34.3 mm over length 5.6 mm (from Z=0.0 to Z=73.3).\n9. Finish turn diameter Ø30.0 mm over length 67.7 mm (from Z=0.0 to Z=67.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00899", "image": "images/Shaft_00899.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø81.9 mm and length at least 77.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.9 mm over length 12.6 mm (from Z=0.0 to Z=12.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.1 mm over length 22.8 mm (from Z=0.0 to Z=60.0).\n9. Finish turn diameter Ø55.7 mm over length 11.4 mm (from Z=0.0 to Z=37.2).\n10. Finish turn diameter Ø51.8 mm over length 20.1 mm (from Z=0.0 to Z=25.8).\n11. Finish turn diameter Ø40.1 mm over length 5.7 mm (from Z=0.0 to Z=5.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00768", "image": "images/Shaft_00768.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.7 mm and length at least 93.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.7 mm over length 26.3 mm (from Z=0.0 to Z=26.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.6 mm over length 18.6 mm (from Z=0.0 to Z=62.0).\n9. Finish turn diameter Ø46.8 mm over length 31.3 mm (from Z=0.0 to Z=43.4).\n10. Finish turn diameter Ø34.2 mm over length 12.1 mm (from Z=0.0 to Z=12.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00936", "image": "images/Shaft_00936.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø58.0 mm and length at least 209.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.0 mm over length 46.4 mm (from Z=0.0 to Z=46.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.5 mm over length 45.1 mm (from Z=0.0 to Z=157.7).\n10. Finish turn diameter Ø35.6 mm over length 24.8 mm (from Z=0.0 to Z=112.6).\n11. Finish turn diameter Ø30.0 mm over length 87.8 mm (from Z=0.0 to Z=87.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00698", "image": "images/Shaft_00698.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.9 mm and length at least 231.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.9 mm over length 37.6 mm (from Z=0.0 to Z=37.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.6 mm over length 40.1 mm (from Z=0.0 to Z=188.5).\n10. Finish turn diameter Ø40.3 mm over length 24.7 mm (from Z=0.0 to Z=148.4).\n11. Finish turn diameter Ø30.0 mm over length 123.7 mm (from Z=0.0 to Z=123.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00117", "image": "images/Shaft_00117.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø80.7 mm and length at least 153.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.7 mm over length 16.5 mm (from Z=0.0 to Z=16.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø69.9 mm over length 37.7 mm (from Z=0.0 to Z=131.5).\n9. Finish turn diameter Ø58.9 mm over length 40.3 mm (from Z=0.0 to Z=93.8).\n10. Finish turn diameter Ø50.3 mm over length 33.4 mm (from Z=0.0 to Z=53.5).\n11. Finish turn diameter Ø32.1 mm over length 5.1 mm (from Z=0.0 to Z=20.1).\n12. Finish turn diameter Ø30.0 mm over length 15.0 mm (from Z=0.0 to Z=15.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00738", "image": "images/Shaft_00738.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø41.1 mm and length at least 264.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.1 mm over length 139.5 mm (from Z=0.0 to Z=139.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 119.9 mm (from Z=0.0 to Z=119.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00830", "image": "images/Shaft_00830.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø54.8 mm and length at least 171.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.8 mm over length 51.7 mm (from Z=0.0 to Z=51.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø38.4 mm over length 51.7 mm (from Z=0.0 to Z=115.2).\n9. Finish turn diameter Ø30.0 mm over length 63.5 mm (from Z=0.0 to Z=63.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00011", "image": "images/Shaft_00011.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø37.0 mm and length at least 262.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.0 mm over length 67.9 mm (from Z=0.0 to Z=67.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 189.2 mm (from Z=0.0 to Z=189.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00566", "image": "images/Shaft_00566.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.7 mm and length at least 78.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.7 mm over length 20.1 mm (from Z=0.0 to Z=20.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.1 mm over length 17.8 mm (from Z=0.0 to Z=53.0).\n9. Finish turn diameter Ø45.4 mm over length 15.8 mm (from Z=0.0 to Z=35.2).\n10. Finish turn diameter Ø34.4 mm over length 14.4 mm (from Z=0.0 to Z=19.4).\n11. Finish turn diameter Ø30.0 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00257", "image": "images/Shaft_00257.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø61.0 mm and length at least 215.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.0 mm over length 55.7 mm (from Z=0.0 to Z=55.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.3 mm over length 21.1 mm (from Z=0.0 to Z=154.7).\n10. Finish turn diameter Ø35.7 mm over length 85.2 mm (from Z=0.0 to Z=133.6).\n11. Finish turn diameter Ø30.0 mm over length 48.4 mm (from Z=0.0 to Z=48.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00541", "image": "images/Shaft_00541.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø42.0 mm and length at least 132.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø40.0 mm over length 15.1 mm (from Z=0.0 to Z=15.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø34.6 mm over length 25.9 mm (from Z=0.0 to Z=112.8).\n9. Finish turn diameter Ø30.0 mm over length 86.9 mm (from Z=0.0 to Z=86.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00479", "image": "images/Shaft_00479.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 231.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 123.6 mm (from Z=0.0 to Z=123.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.9 mm over length 102.9 mm (from Z=0.0 to Z=102.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00963", "image": "images/Shaft_00963.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø75.9 mm and length at least 271.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.9 mm over length 74.5 mm (from Z=0.0 to Z=74.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø58.0 mm over length 25.1 mm (from Z=0.0 to Z=192.2).\n10. Finish turn diameter Ø48.4 mm over length 72.2 mm (from Z=0.0 to Z=167.1).\n11. Finish turn diameter Ø38.5 mm over length 34.2 mm (from Z=0.0 to Z=94.9).\n12. Finish turn diameter Ø30.0 mm over length 60.7 mm (from Z=0.0 to Z=60.7).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00390", "image": "images/Shaft_00390.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.6 mm and length at least 273.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.6 mm over length 132.2 mm (from Z=0.0 to Z=132.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.1 mm over length 23.4 mm (from Z=0.0 to Z=136.3).\n10. Finish turn diameter Ø34.1 mm over length 46.6 mm (from Z=0.0 to Z=112.9).\n11. Finish turn diameter Ø30.0 mm over length 66.3 mm (from Z=0.0 to Z=66.3).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00394", "image": "images/Shaft_00394.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø48.4 mm and length at least 227.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.4 mm over length 114.1 mm (from Z=0.0 to Z=114.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø35.4 mm over length 46.8 mm (from Z=0.0 to Z=108.3).\n10. Finish turn diameter Ø30.0 mm over length 61.5 mm (from Z=0.0 to Z=61.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00065", "image": "images/Shaft_00065.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 176.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 157.7 mm (from Z=0.0 to Z=157.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.0 mm over length 13.5 mm (from Z=0.0 to Z=13.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00610", "image": "images/Shaft_00610.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 216.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 168.4 mm (from Z=0.0 to Z=168.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø20.5 mm over length 43.4 mm (from Z=0.0 to Z=43.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00956", "image": "images/Shaft_00956.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.9 mm and length at least 127.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.9 mm over length 31.6 mm (from Z=0.0 to Z=31.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø72.5 mm over length 33.7 mm (from Z=0.0 to Z=91.3).\n9. Finish turn diameter Ø68.2 mm over length 5.7 mm (from Z=0.0 to Z=57.6).\n10. Finish turn diameter Ø58.3 mm over length 31.2 mm (from Z=0.0 to Z=51.9).\n11. Finish turn diameter Ø47.0 mm over length 5.5 mm (from Z=0.0 to Z=20.7).\n12. Finish turn diameter Ø37.3 mm over length 15.2 mm (from Z=0.0 to Z=15.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00696", "image": "images/Shaft_00696.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø56.3 mm and length at least 173.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.3 mm over length 20.7 mm (from Z=0.0 to Z=20.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.5 mm over length 28.4 mm (from Z=0.0 to Z=148.2).\n10. Finish turn diameter Ø30.0 mm over length 119.8 mm (from Z=0.0 to Z=119.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00811", "image": "images/Shaft_00811.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 262.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 193.4 mm (from Z=0.0 to Z=193.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.7 mm over length 64.5 mm (from Z=0.0 to Z=64.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00958", "image": "images/Shaft_00958.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø65.2 mm and length at least 303.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.2 mm over length 45.4 mm (from Z=0.0 to Z=45.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.6 mm over length 142.7 mm (from Z=0.0 to Z=253.3).\n10. Finish turn diameter Ø40.7 mm over length 50.5 mm (from Z=0.0 to Z=110.6).\n11. Finish turn diameter Ø32.0 mm over length 22.8 mm (from Z=0.0 to Z=60.1).\n12. Finish turn diameter Ø30.0 mm over length 37.3 mm (from Z=0.0 to Z=37.3).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00642", "image": "images/Shaft_00642.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.5 mm and length at least 70.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.5 mm over length 12.5 mm (from Z=0.0 to Z=12.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 52.6 mm (from Z=0.0 to Z=52.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00156", "image": "images/Shaft_00156.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø55.9 mm and length at least 281.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.9 mm over length 55.8 mm (from Z=0.0 to Z=55.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.9 mm over length 24.3 mm (from Z=0.0 to Z=220.2).\n10. Finish turn diameter Ø30.0 mm over length 195.9 mm (from Z=0.0 to Z=195.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00112", "image": "images/Shaft_00112.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.8 mm and length at least 156.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.8 mm over length 19.5 mm (from Z=0.0 to Z=19.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø47.3 mm over length 55.9 mm (from Z=0.0 to Z=131.8).\n9. Finish turn diameter Ø30.0 mm over length 75.9 mm (from Z=0.0 to Z=75.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00048", "image": "images/Shaft_00048.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.5 mm and length at least 157.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.5 mm over length 14.0 mm (from Z=0.0 to Z=14.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 138.9 mm (from Z=0.0 to Z=138.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00773", "image": "images/Shaft_00773.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø44.0 mm and length at least 311.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø42.0 mm over length 19.1 mm (from Z=0.0 to Z=19.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.6 mm over length 50.4 mm (from Z=0.0 to Z=287.3).\n10. Finish turn diameter Ø30.0 mm over length 236.9 mm (from Z=0.0 to Z=236.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00093", "image": "images/Shaft_00093.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø80.5 mm and length at least 116.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.5 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.7 mm over length 28.1 mm (from Z=0.0 to Z=106.7).\n9. Finish turn diameter Ø52.3 mm over length 24.8 mm (from Z=0.0 to Z=78.6).\n10. Finish turn diameter Ø43.4 mm over length 5.0 mm (from Z=0.0 to Z=53.8).\n11. Finish turn diameter Ø35.2 mm over length 24.4 mm (from Z=0.0 to Z=48.8).\n12. Finish turn diameter Ø30.0 mm over length 24.4 mm (from Z=0.0 to Z=24.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00505", "image": "images/Shaft_00505.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø70.7 mm and length at least 253.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.7 mm over length 47.9 mm (from Z=0.0 to Z=47.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.5 mm over length 27.1 mm (from Z=0.0 to Z=200.6).\n10. Finish turn diameter Ø42.8 mm over length 27.2 mm (from Z=0.0 to Z=173.5).\n11. Finish turn diameter Ø30.4 mm over length 69.0 mm (from Z=0.0 to Z=146.3).\n12. Finish turn diameter Ø30.0 mm over length 77.3 mm (from Z=0.0 to Z=77.3).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00521", "image": "images/Shaft_00521.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.4 mm and length at least 82.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.4 mm over length 22.7 mm (from Z=0.0 to Z=22.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø67.2 mm over length 6.7 mm (from Z=0.0 to Z=54.3).\n9. Finish turn diameter Ø54.1 mm over length 14.1 mm (from Z=0.0 to Z=47.6).\n10. Finish turn diameter Ø36.5 mm over length 7.9 mm (from Z=0.0 to Z=33.5).\n11. Finish turn diameter Ø32.7 mm over length 20.6 mm (from Z=0.0 to Z=25.6).\n12. Finish turn diameter Ø30.0 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00141", "image": "images/Shaft_00141.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø75.2 mm and length at least 197.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.2 mm over length 65.7 mm (from Z=0.0 to Z=65.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.7 mm over length 63.4 mm (from Z=0.0 to Z=126.5).\n10. Finish turn diameter Ø44.4 mm over length 41.6 mm (from Z=0.0 to Z=63.1).\n11. Finish turn diameter Ø40.4 mm over length 21.5 mm (from Z=0.0 to Z=21.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00881", "image": "images/Shaft_00881.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 289.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 220.2 mm (from Z=0.0 to Z=220.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø28.7 mm over length 64.1 mm (from Z=0.0 to Z=64.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00925", "image": "images/Shaft_00925.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø68.0 mm and length at least 150.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.0 mm over length 20.4 mm (from Z=0.0 to Z=20.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø53.6 mm over length 34.2 mm (from Z=0.0 to Z=124.9).\n9. Finish turn diameter Ø35.7 mm over length 22.2 mm (from Z=0.0 to Z=90.7).\n10. Finish turn diameter Ø30.0 mm over length 68.5 mm (from Z=0.0 to Z=68.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00408", "image": "images/Shaft_00408.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø59.5 mm and length at least 181.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.5 mm over length 48.6 mm (from Z=0.0 to Z=48.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.9 mm over length 29.7 mm (from Z=0.0 to Z=128.1).\n10. Finish turn diameter Ø30.0 mm over length 98.4 mm (from Z=0.0 to Z=98.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00597", "image": "images/Shaft_00597.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 223.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 188.9 mm (from Z=0.0 to Z=188.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.8 mm over length 29.5 mm (from Z=0.0 to Z=29.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00438", "image": "images/Shaft_00438.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø77.8 mm and length at least 317.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø75.8 mm over length 125.0 mm (from Z=0.0 to Z=125.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.9 mm over length 104.0 mm (from Z=0.0 to Z=187.0).\n10. Finish turn diameter Ø43.7 mm over length 83.0 mm (from Z=0.0 to Z=83.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00598", "image": "images/Shaft_00598.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.9 mm and length at least 192.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.9 mm over length 46.8 mm (from Z=0.0 to Z=46.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.6 mm over length 67.9 mm (from Z=0.0 to Z=140.2).\n9. Finish turn diameter Ø34.4 mm over length 27.9 mm (from Z=0.0 to Z=72.3).\n10. Finish turn diameter Ø30.0 mm over length 44.4 mm (from Z=0.0 to Z=44.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00764", "image": "images/Shaft_00764.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 204.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 166.3 mm (from Z=0.0 to Z=166.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.4 mm over length 33.4 mm (from Z=0.0 to Z=33.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00269", "image": "images/Shaft_00269.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø80.4 mm and length at least 242.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.4 mm over length 94.6 mm (from Z=0.0 to Z=94.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.9 mm over length 52.4 mm (from Z=0.0 to Z=142.9).\n10. Finish turn diameter Ø41.9 mm over length 90.5 mm (from Z=0.0 to Z=90.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00551", "image": "images/Shaft_00551.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 110.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 92.4 mm (from Z=0.0 to Z=92.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.0 mm over length 13.4 mm (from Z=0.0 to Z=13.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00974", "image": "images/Shaft_00974.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø61.3 mm and length at least 84.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.3 mm over length 6.9 mm (from Z=0.0 to Z=6.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.2 mm over length 20.9 mm (from Z=0.0 to Z=72.5).\n9. Finish turn diameter Ø34.9 mm over length 51.6 mm (from Z=0.0 to Z=51.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00762", "image": "images/Shaft_00762.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø63.9 mm and length at least 245.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.9 mm over length 56.3 mm (from Z=0.0 to Z=56.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.1 mm over length 55.9 mm (from Z=0.0 to Z=184.3).\n10. Finish turn diameter Ø47.3 mm over length 42.0 mm (from Z=0.0 to Z=128.4).\n11. Finish turn diameter Ø35.9 mm over length 51.4 mm (from Z=0.0 to Z=86.4).\n12. Finish turn diameter Ø30.0 mm over length 35.0 mm (from Z=0.0 to Z=35.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00252", "image": "images/Shaft_00252.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.2 mm and length at least 137.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.2 mm over length 19.5 mm (from Z=0.0 to Z=19.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø55.3 mm over length 13.9 mm (from Z=0.0 to Z=113.4).\n9. Finish turn diameter Ø36.0 mm over length 21.0 mm (from Z=0.0 to Z=99.5).\n10. Finish turn diameter Ø31.8 mm over length 13.9 mm (from Z=0.0 to Z=78.5).\n11. Finish turn diameter Ø30.0 mm over length 64.6 mm (from Z=0.0 to Z=64.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00992", "image": "images/Shaft_00992.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø38.5 mm and length at least 207.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.5 mm over length 44.4 mm (from Z=0.0 to Z=44.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 158.5 mm (from Z=0.0 to Z=158.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00271", "image": "images/Shaft_00271.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø51.2 mm and length at least 142.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.2 mm over length 53.8 mm (from Z=0.0 to Z=53.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.6 mm over length 27.1 mm (from Z=0.0 to Z=83.8).\n9. Finish turn diameter Ø30.0 mm over length 56.7 mm (from Z=0.0 to Z=56.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00146", "image": "images/Shaft_00146.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø76.7 mm and length at least 191.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.7 mm over length 17.3 mm (from Z=0.0 to Z=17.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø59.3 mm over length 35.7 mm (from Z=0.0 to Z=169.6).\n9. Finish turn diameter Ø45.9 mm over length 40.2 mm (from Z=0.0 to Z=133.9).\n10. Finish turn diameter Ø34.0 mm over length 19.1 mm (from Z=0.0 to Z=93.7).\n11. Finish turn diameter Ø30.0 mm over length 74.6 mm (from Z=0.0 to Z=74.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00469", "image": "images/Shaft_00469.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø71.1 mm and length at least 269.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.1 mm over length 75.3 mm (from Z=0.0 to Z=75.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.0 mm over length 56.8 mm (from Z=0.0 to Z=188.8).\n10. Finish turn diameter Ø41.9 mm over length 51.9 mm (from Z=0.0 to Z=132.0).\n11. Finish turn diameter Ø30.0 mm over length 80.1 mm (from Z=0.0 to Z=80.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00658", "image": "images/Shaft_00658.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 72.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 40.9 mm (from Z=0.0 to Z=40.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø22.0 mm over length 26.6 mm (from Z=0.0 to Z=26.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00405", "image": "images/Shaft_00405.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.0 mm and length at least 318.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.0 mm over length 64.2 mm (from Z=0.0 to Z=64.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 249.2 mm (from Z=0.0 to Z=249.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00511", "image": "images/Shaft_00511.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø36.8 mm and length at least 251.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.8 mm over length 105.0 mm (from Z=0.0 to Z=105.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 141.2 mm (from Z=0.0 to Z=141.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00671", "image": "images/Shaft_00671.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø62.8 mm and length at least 273.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.8 mm over length 43.8 mm (from Z=0.0 to Z=43.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø44.1 mm over length 30.8 mm (from Z=0.0 to Z=225.1).\n10. Finish turn diameter Ø30.0 mm over length 194.3 mm (from Z=0.0 to Z=194.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00217", "image": "images/Shaft_00217.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø68.2 mm and length at least 236.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.2 mm over length 30.0 mm (from Z=0.0 to Z=30.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.5 mm over length 78.8 mm (from Z=0.0 to Z=201.4).\n10. Finish turn diameter Ø49.9 mm over length 74.6 mm (from Z=0.0 to Z=122.6).\n11. Finish turn diameter Ø44.8 mm over length 48.0 mm (from Z=0.0 to Z=48.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00322", "image": "images/Shaft_00322.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø61.9 mm and length at least 288.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.9 mm over length 20.4 mm (from Z=0.0 to Z=20.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.8 mm over length 119.7 mm (from Z=0.0 to Z=262.6).\n10. Finish turn diameter Ø37.6 mm over length 110.3 mm (from Z=0.0 to Z=142.9).\n11. Finish turn diameter Ø32.2 mm over length 32.6 mm (from Z=0.0 to Z=32.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00735", "image": "images/Shaft_00735.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø47.4 mm and length at least 76.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.4 mm over length 12.0 mm (from Z=0.0 to Z=12.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø36.9 mm over length 18.4 mm (from Z=0.0 to Z=59.8).\n9. Finish turn diameter Ø30.4 mm over length 41.4 mm (from Z=0.0 to Z=41.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00580", "image": "images/Shaft_00580.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø47.6 mm and length at least 246.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.6 mm over length 33.2 mm (from Z=0.0 to Z=33.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø36.9 mm over length 54.3 mm (from Z=0.0 to Z=208.6).\n10. Finish turn diameter Ø30.0 mm over length 154.3 mm (from Z=0.0 to Z=154.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00216", "image": "images/Shaft_00216.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø59.2 mm and length at least 283.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.2 mm over length 32.1 mm (from Z=0.0 to Z=32.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.9 mm over length 63.2 mm (from Z=0.0 to Z=246.0).\n10. Finish turn diameter Ø41.3 mm over length 89.9 mm (from Z=0.0 to Z=182.8).\n11. Finish turn diameter Ø30.0 mm over length 92.9 mm (from Z=0.0 to Z=92.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00067", "image": "images/Shaft_00067.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 169.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 141.0 mm (from Z=0.0 to Z=141.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø25.4 mm over length 23.5 mm (from Z=0.0 to Z=23.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00274", "image": "images/Shaft_00274.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø51.9 mm and length at least 225.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.9 mm over length 102.4 mm (from Z=0.0 to Z=102.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.3 mm over length 53.1 mm (from Z=0.0 to Z=118.3).\n10. Finish turn diameter Ø30.0 mm over length 65.2 mm (from Z=0.0 to Z=65.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00410", "image": "images/Shaft_00410.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø38.2 mm and length at least 198.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.2 mm over length 14.9 mm (from Z=0.0 to Z=14.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 178.9 mm (from Z=0.0 to Z=178.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00323", "image": "images/Shaft_00323.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø71.3 mm and length at least 205.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.3 mm over length 97.8 mm (from Z=0.0 to Z=97.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.9 mm over length 70.6 mm (from Z=0.0 to Z=102.9).\n10. Finish turn diameter Ø45.0 mm over length 32.3 mm (from Z=0.0 to Z=32.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00824", "image": "images/Shaft_00824.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø61.0 mm and length at least 170.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø59.0 mm over length 29.2 mm (from Z=0.0 to Z=29.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø55.4 mm over length 49.0 mm (from Z=0.0 to Z=136.4).\n9. Finish turn diameter Ø49.2 mm over length 18.8 mm (from Z=0.0 to Z=87.4).\n10. Finish turn diameter Ø30.0 mm over length 68.6 mm (from Z=0.0 to Z=68.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00982", "image": "images/Shaft_00982.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø81.9 mm and length at least 145.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.9 mm over length 35.7 mm (from Z=0.0 to Z=35.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø68.8 mm over length 33.4 mm (from Z=0.0 to Z=104.6).\n9. Finish turn diameter Ø54.4 mm over length 29.8 mm (from Z=0.0 to Z=71.2).\n10. Finish turn diameter Ø39.2 mm over length 41.4 mm (from Z=0.0 to Z=41.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00841", "image": "images/Shaft_00841.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø81.0 mm and length at least 223.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.0 mm over length 29.5 mm (from Z=0.0 to Z=29.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø74.6 mm over length 61.0 mm (from Z=0.0 to Z=189.4).\n10. Finish turn diameter Ø70.7 mm over length 44.9 mm (from Z=0.0 to Z=128.4).\n11. Finish turn diameter Ø55.3 mm over length 39.4 mm (from Z=0.0 to Z=83.5).\n12. Finish turn diameter Ø51.6 mm over length 44.1 mm (from Z=0.0 to Z=44.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00234", "image": "images/Shaft_00234.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø38.0 mm and length at least 174.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.0 mm over length 25.2 mm (from Z=0.0 to Z=25.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 144.6 mm (from Z=0.0 to Z=144.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00057", "image": "images/Shaft_00057.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 323.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 213.2 mm (from Z=0.0 to Z=213.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.6 mm over length 105.5 mm (from Z=0.0 to Z=105.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00794", "image": "images/Shaft_00794.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 244.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 174.1 mm (from Z=0.0 to Z=174.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø26.5 mm over length 65.1 mm (from Z=0.0 to Z=65.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00786", "image": "images/Shaft_00786.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 72.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 32.3 mm (from Z=0.0 to Z=32.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø21.9 mm over length 35.1 mm (from Z=0.0 to Z=35.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00863", "image": "images/Shaft_00863.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 88.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 38.0 mm (from Z=0.0 to Z=38.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø19.9 mm over length 45.5 mm (from Z=0.0 to Z=45.5).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00332", "image": "images/Shaft_00332.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø41.8 mm and length at least 105.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.8 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø31.2 mm over length 37.4 mm (from Z=0.0 to Z=95.6).\n9. Finish turn diameter Ø30.0 mm over length 58.2 mm (from Z=0.0 to Z=58.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00701", "image": "images/Shaft_00701.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø75.1 mm and length at least 272.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.1 mm over length 44.4 mm (from Z=0.0 to Z=44.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø70.0 mm over length 113.6 mm (from Z=0.0 to Z=222.8).\n10. Finish turn diameter Ø59.4 mm over length 109.2 mm (from Z=0.0 to Z=109.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00224", "image": "images/Shaft_00224.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø51.4 mm and length at least 307.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.4 mm over length 71.9 mm (from Z=0.0 to Z=71.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.6 mm over length 76.6 mm (from Z=0.0 to Z=230.5).\n10. Finish turn diameter Ø30.0 mm over length 153.9 mm (from Z=0.0 to Z=153.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00570", "image": "images/Shaft_00570.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø67.8 mm and length at least 141.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.8 mm over length 38.4 mm (from Z=0.0 to Z=38.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø56.6 mm over length 23.6 mm (from Z=0.0 to Z=97.9).\n9. Finish turn diameter Ø49.2 mm over length 74.3 mm (from Z=0.0 to Z=74.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00704", "image": "images/Shaft_00704.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 317.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 243.5 mm (from Z=0.0 to Z=243.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø24.7 mm over length 69.1 mm (from Z=0.0 to Z=69.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00655", "image": "images/Shaft_00655.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø68.6 mm and length at least 250.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.6 mm over length 35.2 mm (from Z=0.0 to Z=35.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø61.3 mm over length 86.3 mm (from Z=0.0 to Z=210.3).\n10. Finish turn diameter Ø53.4 mm over length 20.9 mm (from Z=0.0 to Z=124.0).\n11. Finish turn diameter Ø49.7 mm over length 46.3 mm (from Z=0.0 to Z=103.1).\n12. Finish turn diameter Ø45.6 mm over length 19.4 mm (from Z=0.0 to Z=56.8).\n13. Finish turn diameter Ø32.6 mm over length 37.4 mm (from Z=0.0 to Z=37.4).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00276", "image": "images/Shaft_00276.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 166.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 113.7 mm (from Z=0.0 to Z=113.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø25.6 mm over length 47.7 mm (from Z=0.0 to Z=47.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00388", "image": "images/Shaft_00388.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø45.3 mm and length at least 148.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.3 mm over length 7.3 mm (from Z=0.0 to Z=7.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø39.2 mm over length 34.8 mm (from Z=0.0 to Z=135.7).\n10. Finish turn diameter Ø30.0 mm over length 100.9 mm (from Z=0.0 to Z=100.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00473", "image": "images/Shaft_00473.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø52.2 mm and length at least 195.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.2 mm over length 33.4 mm (from Z=0.0 to Z=33.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.3 mm over length 43.1 mm (from Z=0.0 to Z=156.6).\n10. Finish turn diameter Ø30.0 mm over length 113.5 mm (from Z=0.0 to Z=113.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00167", "image": "images/Shaft_00167.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.4 mm and length at least 181.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø56.4 mm over length 23.0 mm (from Z=0.0 to Z=23.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.7 mm over length 13.8 mm (from Z=0.0 to Z=153.9).\n10. Finish turn diameter Ø30.0 mm over length 140.1 mm (from Z=0.0 to Z=140.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00994", "image": "images/Shaft_00994.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø70.2 mm and length at least 257.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.2 mm over length 88.2 mm (from Z=0.0 to Z=88.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.0 mm over length 67.8 mm (from Z=0.0 to Z=164.6).\n10. Finish turn diameter Ø48.6 mm over length 96.8 mm (from Z=0.0 to Z=96.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00746", "image": "images/Shaft_00746.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.4 mm and length at least 268.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.4 mm over length 124.8 mm (from Z=0.0 to Z=124.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 138.8 mm (from Z=0.0 to Z=138.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00546", "image": "images/Shaft_00546.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø51.6 mm and length at least 153.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø49.6 mm over length 45.7 mm (from Z=0.0 to Z=45.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø32.1 mm over length 34.6 mm (from Z=0.0 to Z=102.8).\n9. Finish turn diameter Ø30.0 mm over length 68.2 mm (from Z=0.0 to Z=68.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00175", "image": "images/Shaft_00175.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø43.7 mm and length at least 133.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.7 mm over length 47.1 mm (from Z=0.0 to Z=47.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 81.4 mm (from Z=0.0 to Z=81.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00907", "image": "images/Shaft_00907.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø55.0 mm and length at least 128.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.0 mm over length 26.6 mm (from Z=0.0 to Z=26.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø34.5 mm over length 12.9 mm (from Z=0.0 to Z=97.0).\n9. Finish turn diameter Ø30.0 mm over length 84.1 mm (from Z=0.0 to Z=84.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00623", "image": "images/Shaft_00623.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø37.9 mm and length at least 164.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.9 mm over length 57.8 mm (from Z=0.0 to Z=57.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 101.4 mm (from Z=0.0 to Z=101.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00073", "image": "images/Shaft_00073.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø63.9 mm and length at least 264.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.9 mm over length 65.6 mm (from Z=0.0 to Z=65.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.5 mm over length 109.7 mm (from Z=0.0 to Z=194.2).\n10. Finish turn diameter Ø39.6 mm over length 84.5 mm (from Z=0.0 to Z=84.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00663", "image": "images/Shaft_00663.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø72.0 mm and length at least 210.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.0 mm over length 83.9 mm (from Z=0.0 to Z=83.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.2 mm over length 69.7 mm (from Z=0.0 to Z=121.3).\n10. Finish turn diameter Ø47.6 mm over length 51.6 mm (from Z=0.0 to Z=51.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00699", "image": "images/Shaft_00699.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø75.8 mm and length at least 180.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.8 mm over length 40.3 mm (from Z=0.0 to Z=40.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.2 mm over length 32.9 mm (from Z=0.0 to Z=134.8).\n9. Finish turn diameter Ø54.5 mm over length 43.9 mm (from Z=0.0 to Z=101.9).\n10. Finish turn diameter Ø49.4 mm over length 16.4 mm (from Z=0.0 to Z=58.0).\n11. Finish turn diameter Ø31.7 mm over length 41.6 mm (from Z=0.0 to Z=41.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00970", "image": "images/Shaft_00970.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø54.3 mm and length at least 93.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.3 mm over length 19.9 mm (from Z=0.0 to Z=19.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø33.4 mm over length 13.9 mm (from Z=0.0 to Z=68.6).\n9. Finish turn diameter Ø30.0 mm over length 54.7 mm (from Z=0.0 to Z=54.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00273", "image": "images/Shaft_00273.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø73.2 mm and length at least 238.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.2 mm over length 16.0 mm (from Z=0.0 to Z=16.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø65.4 mm over length 77.0 mm (from Z=0.0 to Z=217.7).\n10. Finish turn diameter Ø58.4 mm over length 16.7 mm (from Z=0.0 to Z=140.7).\n11. Finish turn diameter Ø44.0 mm over length 49.2 mm (from Z=0.0 to Z=124.0).\n12. Finish turn diameter Ø30.5 mm over length 51.6 mm (from Z=0.0 to Z=74.8).\n13. Finish turn diameter Ø30.0 mm over length 23.2 mm (from Z=0.0 to Z=23.2).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00686", "image": "images/Shaft_00686.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 72.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 53.5 mm (from Z=0.0 to Z=53.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø26.3 mm over length 13.7 mm (from Z=0.0 to Z=13.7).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00214", "image": "images/Shaft_00214.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø34.0 mm and length at least 73.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.0 mm over length 17.7 mm (from Z=0.0 to Z=17.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 51.2 mm (from Z=0.0 to Z=51.2).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00363", "image": "images/Shaft_00363.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø45.0 mm and length at least 150.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.0 mm over length 35.4 mm (from Z=0.0 to Z=35.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø33.4 mm over length 15.9 mm (from Z=0.0 to Z=109.8).\n10. Finish turn diameter Ø30.0 mm over length 93.9 mm (from Z=0.0 to Z=93.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00379", "image": "images/Shaft_00379.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.2 mm and length at least 201.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.2 mm over length 27.0 mm (from Z=0.0 to Z=27.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.5 mm over length 44.0 mm (from Z=0.0 to Z=169.8).\n10. Finish turn diameter Ø41.2 mm over length 40.1 mm (from Z=0.0 to Z=125.8).\n11. Finish turn diameter Ø30.0 mm over length 85.7 mm (from Z=0.0 to Z=85.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00166", "image": "images/Shaft_00166.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø57.5 mm and length at least 293.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.5 mm over length 35.0 mm (from Z=0.0 to Z=35.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.2 mm over length 25.2 mm (from Z=0.0 to Z=253.1).\n10. Finish turn diameter Ø33.5 mm over length 163.8 mm (from Z=0.0 to Z=227.9).\n11. Finish turn diameter Ø30.0 mm over length 64.1 mm (from Z=0.0 to Z=64.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00373", "image": "images/Shaft_00373.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø39.9 mm and length at least 298.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.9 mm over length 73.7 mm (from Z=0.0 to Z=73.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.2 mm over length 59.4 mm (from Z=0.0 to Z=220.1).\n10. Finish turn diameter Ø30.0 mm over length 160.7 mm (from Z=0.0 to Z=160.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00854", "image": "images/Shaft_00854.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø39.2 mm and length at least 196.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø37.2 mm over length 58.2 mm (from Z=0.0 to Z=58.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø32.4 mm over length 74.3 mm (from Z=0.0 to Z=133.3).\n10. Finish turn diameter Ø30.0 mm over length 59.0 mm (from Z=0.0 to Z=59.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00650", "image": "images/Shaft_00650.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø65.7 mm and length at least 150.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.7 mm over length 38.5 mm (from Z=0.0 to Z=38.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø52.3 mm over length 62.4 mm (from Z=0.0 to Z=106.8).\n9. Finish turn diameter Ø39.5 mm over length 44.4 mm (from Z=0.0 to Z=44.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00464", "image": "images/Shaft_00464.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø38.4 mm and length at least 71.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.4 mm over length 17.8 mm (from Z=0.0 to Z=17.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 49.1 mm (from Z=0.0 to Z=49.1).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00954", "image": "images/Shaft_00954.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 202.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 156.5 mm (from Z=0.0 to Z=156.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø19.8 mm over length 41.4 mm (from Z=0.0 to Z=41.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00947", "image": "images/Shaft_00947.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø45.4 mm and length at least 163.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.4 mm over length 23.9 mm (from Z=0.0 to Z=23.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.6 mm over length 37.0 mm (from Z=0.0 to Z=134.8).\n10. Finish turn diameter Ø30.0 mm over length 97.8 mm (from Z=0.0 to Z=97.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00103", "image": "images/Shaft_00103.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø48.8 mm and length at least 129.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.8 mm over length 5.0 mm (from Z=0.0 to Z=5.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø36.8 mm over length 32.5 mm (from Z=0.0 to Z=119.5).\n9. Finish turn diameter Ø31.5 mm over length 36.5 mm (from Z=0.0 to Z=87.0).\n10. Finish turn diameter Ø30.0 mm over length 50.5 mm (from Z=0.0 to Z=50.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00887", "image": "images/Shaft_00887.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.6 mm and length at least 150.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.6 mm over length 58.5 mm (from Z=0.0 to Z=58.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 87.4 mm (from Z=0.0 to Z=87.4).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00978", "image": "images/Shaft_00978.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.1 mm and length at least 278.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.1 mm over length 103.8 mm (from Z=0.0 to Z=103.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 169.9 mm (from Z=0.0 to Z=169.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00875", "image": "images/Shaft_00875.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø53.6 mm and length at least 228.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.6 mm over length 71.1 mm (from Z=0.0 to Z=71.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.5 mm over length 72.9 mm (from Z=0.0 to Z=152.8).\n10. Finish turn diameter Ø30.0 mm over length 79.9 mm (from Z=0.0 to Z=79.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00081", "image": "images/Shaft_00081.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø79.2 mm and length at least 194.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.2 mm over length 33.5 mm (from Z=0.0 to Z=33.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.5 mm over length 57.9 mm (from Z=0.0 to Z=156.0).\n9. Finish turn diameter Ø58.6 mm over length 81.3 mm (from Z=0.0 to Z=98.1).\n10. Finish turn diameter Ø55.0 mm over length 16.8 mm (from Z=0.0 to Z=16.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00296", "image": "images/Shaft_00296.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø34.3 mm and length at least 127.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.3 mm over length 29.9 mm (from Z=0.0 to Z=29.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 92.1 mm (from Z=0.0 to Z=92.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00791", "image": "images/Shaft_00791.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø73.3 mm and length at least 109.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.3 mm over length 28.4 mm (from Z=0.0 to Z=28.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø68.1 mm over length 6.5 mm (from Z=0.0 to Z=75.9).\n9. Finish turn diameter Ø48.8 mm over length 15.7 mm (from Z=0.0 to Z=69.4).\n10. Finish turn diameter Ø34.6 mm over length 5.0 mm (from Z=0.0 to Z=53.7).\n11. Finish turn diameter Ø30.0 mm over length 48.7 mm (from Z=0.0 to Z=48.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00233", "image": "images/Shaft_00233.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø55.7 mm and length at least 179.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.7 mm over length 67.3 mm (from Z=0.0 to Z=67.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.4 mm over length 89.9 mm (from Z=0.0 to Z=107.2).\n9. Finish turn diameter Ø30.0 mm over length 17.3 mm (from Z=0.0 to Z=17.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00677", "image": "images/Shaft_00677.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø43.1 mm and length at least 218.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.1 mm over length 41.2 mm (from Z=0.0 to Z=41.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 171.8 mm (from Z=0.0 to Z=171.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00046", "image": "images/Shaft_00046.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 143.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 123.7 mm (from Z=0.0 to Z=123.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.4 mm over length 14.3 mm (from Z=0.0 to Z=14.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00071", "image": "images/Shaft_00071.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø53.9 mm and length at least 117.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.9 mm over length 41.0 mm (from Z=0.0 to Z=41.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø41.3 mm over length 5.2 mm (from Z=0.0 to Z=71.2).\n9. Finish turn diameter Ø33.9 mm over length 5.0 mm (from Z=0.0 to Z=66.0).\n10. Finish turn diameter Ø30.0 mm over length 61.0 mm (from Z=0.0 to Z=61.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00721", "image": "images/Shaft_00721.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 279.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 217.9 mm (from Z=0.0 to Z=217.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.4 mm over length 56.6 mm (from Z=0.0 to Z=56.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00196", "image": "images/Shaft_00196.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 240.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 180.0 mm (from Z=0.0 to Z=180.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.8 mm over length 55.2 mm (from Z=0.0 to Z=55.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00591", "image": "images/Shaft_00591.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø73.8 mm and length at least 275.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.8 mm over length 43.9 mm (from Z=0.0 to Z=43.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.8 mm over length 71.0 mm (from Z=0.0 to Z=227.0).\n10. Finish turn diameter Ø44.5 mm over length 156.0 mm (from Z=0.0 to Z=156.0).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00370", "image": "images/Shaft_00370.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø66.1 mm and length at least 277.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.1 mm over length 18.6 mm (from Z=0.0 to Z=18.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.8 mm over length 45.1 mm (from Z=0.0 to Z=254.2).\n10. Finish turn diameter Ø45.5 mm over length 69.0 mm (from Z=0.0 to Z=209.1).\n11. Finish turn diameter Ø41.2 mm over length 86.2 mm (from Z=0.0 to Z=140.1).\n12. Finish turn diameter Ø34.9 mm over length 30.9 mm (from Z=0.0 to Z=53.9).\n13. Finish turn diameter Ø30.0 mm over length 23.0 mm (from Z=0.0 to Z=23.0).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00882", "image": "images/Shaft_00882.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.6 mm and length at least 263.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø62.6 mm over length 76.5 mm (from Z=0.0 to Z=76.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.4 mm over length 135.5 mm (from Z=0.0 to Z=181.8).\n10. Finish turn diameter Ø38.8 mm over length 46.3 mm (from Z=0.0 to Z=46.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00906", "image": "images/Shaft_00906.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø78.9 mm and length at least 187.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.9 mm over length 25.9 mm (from Z=0.0 to Z=25.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.6 mm over length 44.8 mm (from Z=0.0 to Z=156.8).\n9. Finish turn diameter Ø44.5 mm over length 22.7 mm (from Z=0.0 to Z=112.0).\n10. Finish turn diameter Ø35.1 mm over length 16.1 mm (from Z=0.0 to Z=89.3).\n11. Finish turn diameter Ø30.5 mm over length 73.2 mm (from Z=0.0 to Z=73.2).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00633", "image": "images/Shaft_00633.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø46.8 mm and length at least 249.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.8 mm over length 54.6 mm (from Z=0.0 to Z=54.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 190.3 mm (from Z=0.0 to Z=190.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00643", "image": "images/Shaft_00643.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø60.9 mm and length at least 207.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.9 mm over length 45.9 mm (from Z=0.0 to Z=45.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.6 mm over length 9.6 mm (from Z=0.0 to Z=156.6).\n10. Finish turn diameter Ø34.1 mm over length 38.9 mm (from Z=0.0 to Z=147.0).\n11. Finish turn diameter Ø30.0 mm over length 108.1 mm (from Z=0.0 to Z=108.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00849", "image": "images/Shaft_00849.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø68.0 mm and length at least 317.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø66.0 mm over length 106.3 mm (from Z=0.0 to Z=106.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.4 mm over length 25.0 mm (from Z=0.0 to Z=206.4).\n10. Finish turn diameter Ø31.7 mm over length 33.5 mm (from Z=0.0 to Z=181.4).\n11. Finish turn diameter Ø30.0 mm over length 147.9 mm (from Z=0.0 to Z=147.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00300", "image": "images/Shaft_00300.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø43.6 mm and length at least 101.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.6 mm over length 36.2 mm (from Z=0.0 to Z=36.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 60.3 mm (from Z=0.0 to Z=60.3).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00565", "image": "images/Shaft_00565.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø81.8 mm and length at least 298.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.8 mm over length 27.7 mm (from Z=0.0 to Z=27.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.6 mm over length 72.3 mm (from Z=0.0 to Z=265.4).\n10. Finish turn diameter Ø53.1 mm over length 94.5 mm (from Z=0.0 to Z=193.1).\n11. Finish turn diameter Ø43.3 mm over length 48.8 mm (from Z=0.0 to Z=98.6).\n12. Finish turn diameter Ø30.1 mm over length 49.8 mm (from Z=0.0 to Z=49.8).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00080", "image": "images/Shaft_00080.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø59.8 mm and length at least 269.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.8 mm over length 72.3 mm (from Z=0.0 to Z=72.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø48.4 mm over length 58.2 mm (from Z=0.0 to Z=192.6).\n10. Finish turn diameter Ø43.7 mm over length 69.7 mm (from Z=0.0 to Z=134.4).\n11. Finish turn diameter Ø35.2 mm over length 13.1 mm (from Z=0.0 to Z=64.7).\n12. Finish turn diameter Ø30.0 mm over length 51.6 mm (from Z=0.0 to Z=51.6).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00387", "image": "images/Shaft_00387.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø69.5 mm and length at least 171.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.5 mm over length 34.5 mm (from Z=0.0 to Z=34.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø54.6 mm over length 46.3 mm (from Z=0.0 to Z=132.4).\n9. Finish turn diameter Ø39.0 mm over length 9.7 mm (from Z=0.0 to Z=86.1).\n10. Finish turn diameter Ø33.4 mm over length 30.6 mm (from Z=0.0 to Z=76.4).\n11. Finish turn diameter Ø30.0 mm over length 45.8 mm (from Z=0.0 to Z=45.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00127", "image": "images/Shaft_00127.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø34.0 mm and length at least 241.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.0 mm over length 27.2 mm (from Z=0.0 to Z=27.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 209.4 mm (from Z=0.0 to Z=209.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00549", "image": "images/Shaft_00549.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø66.3 mm and length at least 164.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.3 mm over length 42.8 mm (from Z=0.0 to Z=42.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.3 mm over length 46.9 mm (from Z=0.0 to Z=116.3).\n9. Finish turn diameter Ø44.5 mm over length 50.2 mm (from Z=0.0 to Z=69.4).\n10. Finish turn diameter Ø30.0 mm over length 19.2 mm (from Z=0.0 to Z=19.2).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00470", "image": "images/Shaft_00470.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø38.4 mm and length at least 277.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.4 mm over length 42.1 mm (from Z=0.0 to Z=42.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 230.0 mm (from Z=0.0 to Z=230.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00747", "image": "images/Shaft_00747.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø79.6 mm and length at least 152.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.6 mm over length 20.5 mm (from Z=0.0 to Z=20.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø66.9 mm over length 45.1 mm (from Z=0.0 to Z=127.2).\n9. Finish turn diameter Ø55.1 mm over length 32.3 mm (from Z=0.0 to Z=82.1).\n10. Finish turn diameter Ø50.8 mm over length 49.8 mm (from Z=0.0 to Z=49.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00044", "image": "images/Shaft_00044.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø49.6 mm and length at least 148.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.6 mm over length 44.8 mm (from Z=0.0 to Z=44.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø44.3 mm over length 67.9 mm (from Z=0.0 to Z=98.7).\n9. Finish turn diameter Ø31.8 mm over length 30.8 mm (from Z=0.0 to Z=30.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00826", "image": "images/Shaft_00826.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø33.9 mm and length at least 169.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.9 mm over length 77.6 mm (from Z=0.0 to Z=77.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 87.2 mm (from Z=0.0 to Z=87.2).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00270", "image": "images/Shaft_00270.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø79.4 mm and length at least 284.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.4 mm over length 52.9 mm (from Z=0.0 to Z=52.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø68.0 mm over length 144.1 mm (from Z=0.0 to Z=226.4).\n10. Finish turn diameter Ø55.4 mm over length 82.3 mm (from Z=0.0 to Z=82.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00618", "image": "images/Shaft_00618.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.7 mm and length at least 317.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.7 mm over length 42.9 mm (from Z=0.0 to Z=42.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø68.7 mm over length 30.0 mm (from Z=0.0 to Z=269.9).\n10. Finish turn diameter Ø60.7 mm over length 68.9 mm (from Z=0.0 to Z=239.9).\n11. Finish turn diameter Ø55.4 mm over length 101.8 mm (from Z=0.0 to Z=171.0).\n12. Finish turn diameter Ø38.0 mm over length 69.2 mm (from Z=0.0 to Z=69.2).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00352", "image": "images/Shaft_00352.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø57.0 mm and length at least 165.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.0 mm over length 54.2 mm (from Z=0.0 to Z=54.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.5 mm over length 45.6 mm (from Z=0.0 to Z=106.6).\n9. Finish turn diameter Ø30.0 mm over length 61.0 mm (from Z=0.0 to Z=61.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00867", "image": "images/Shaft_00867.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 219.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 189.6 mm (from Z=0.0 to Z=189.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.7 mm over length 25.1 mm (from Z=0.0 to Z=25.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00367", "image": "images/Shaft_00367.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø67.0 mm and length at least 178.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø65.0 mm over length 27.6 mm (from Z=0.0 to Z=27.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø58.7 mm over length 43.0 mm (from Z=0.0 to Z=146.2).\n9. Finish turn diameter Ø49.0 mm over length 41.9 mm (from Z=0.0 to Z=103.2).\n10. Finish turn diameter Ø33.5 mm over length 61.3 mm (from Z=0.0 to Z=61.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00099", "image": "images/Shaft_00099.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.9 mm and length at least 159.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.9 mm over length 37.4 mm (from Z=0.0 to Z=37.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.4 mm over length 27.2 mm (from Z=0.0 to Z=116.8).\n9. Finish turn diameter Ø30.0 mm over length 89.6 mm (from Z=0.0 to Z=89.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00389", "image": "images/Shaft_00389.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø73.5 mm and length at least 242.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.5 mm over length 14.6 mm (from Z=0.0 to Z=14.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.4 mm over length 57.0 mm (from Z=0.0 to Z=222.8).\n10. Finish turn diameter Ø47.5 mm over length 38.6 mm (from Z=0.0 to Z=165.8).\n11. Finish turn diameter Ø38.1 mm over length 49.8 mm (from Z=0.0 to Z=127.2).\n12. Finish turn diameter Ø30.0 mm over length 77.4 mm (from Z=0.0 to Z=77.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00094", "image": "images/Shaft_00094.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø79.5 mm and length at least 263.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.5 mm over length 63.3 mm (from Z=0.0 to Z=63.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø64.7 mm over length 76.3 mm (from Z=0.0 to Z=195.1).\n10. Finish turn diameter Ø53.9 mm over length 72.8 mm (from Z=0.0 to Z=118.8).\n11. Finish turn diameter Ø36.0 mm over length 46.0 mm (from Z=0.0 to Z=46.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00990", "image": "images/Shaft_00990.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø55.6 mm and length at least 82.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.6 mm over length 14.7 mm (from Z=0.0 to Z=14.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.2 mm over length 7.0 mm (from Z=0.0 to Z=62.5).\n9. Finish turn diameter Ø37.4 mm over length 12.5 mm (from Z=0.0 to Z=55.5).\n10. Finish turn diameter Ø32.2 mm over length 14.2 mm (from Z=0.0 to Z=43.0).\n11. Finish turn diameter Ø30.0 mm over length 28.8 mm (from Z=0.0 to Z=28.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00344", "image": "images/Shaft_00344.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø72.0 mm and length at least 102.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.0 mm over length 24.5 mm (from Z=0.0 to Z=24.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.5 mm over length 41.8 mm (from Z=0.0 to Z=72.6).\n9. Finish turn diameter Ø56.7 mm over length 13.2 mm (from Z=0.0 to Z=30.8).\n10. Finish turn diameter Ø51.5 mm over length 17.6 mm (from Z=0.0 to Z=17.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00781", "image": "images/Shaft_00781.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø60.3 mm and length at least 76.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.3 mm over length 7.5 mm (from Z=0.0 to Z=7.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.4 mm over length 5.2 mm (from Z=0.0 to Z=64.0).\n9. Finish turn diameter Ø30.0 mm over length 58.8 mm (from Z=0.0 to Z=58.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00220", "image": "images/Shaft_00220.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø38.9 mm and length at least 281.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.9 mm over length 71.7 mm (from Z=0.0 to Z=71.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 205.0 mm (from Z=0.0 to Z=205.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00159", "image": "images/Shaft_00159.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø72.2 mm and length at least 211.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø70.2 mm over length 33.7 mm (from Z=0.0 to Z=33.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø53.7 mm over length 46.2 mm (from Z=0.0 to Z=172.4).\n10. Finish turn diameter Ø46.3 mm over length 52.5 mm (from Z=0.0 to Z=126.2).\n11. Finish turn diameter Ø40.7 mm over length 16.6 mm (from Z=0.0 to Z=73.7).\n12. Finish turn diameter Ø30.0 mm over length 57.1 mm (from Z=0.0 to Z=57.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00964", "image": "images/Shaft_00964.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 215.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 128.4 mm (from Z=0.0 to Z=128.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø20.1 mm over length 82.0 mm (from Z=0.0 to Z=82.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00348", "image": "images/Shaft_00348.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø78.4 mm and length at least 174.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.4 mm over length 72.5 mm (from Z=0.0 to Z=72.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø66.9 mm over length 42.3 mm (from Z=0.0 to Z=97.4).\n9. Finish turn diameter Ø57.4 mm over length 45.6 mm (from Z=0.0 to Z=55.1).\n10. Finish turn diameter Ø53.5 mm over length 9.5 mm (from Z=0.0 to Z=9.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00983", "image": "images/Shaft_00983.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.6 mm and length at least 301.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.6 mm over length 51.5 mm (from Z=0.0 to Z=51.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.4 mm over length 28.6 mm (from Z=0.0 to Z=245.3).\n10. Finish turn diameter Ø38.7 mm over length 17.1 mm (from Z=0.0 to Z=216.7).\n11. Finish turn diameter Ø30.0 mm over length 199.6 mm (from Z=0.0 to Z=199.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00714", "image": "images/Shaft_00714.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 223.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 167.9 mm (from Z=0.0 to Z=167.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø24.7 mm over length 50.5 mm (from Z=0.0 to Z=50.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00163", "image": "images/Shaft_00163.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø43.9 mm and length at least 280.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.9 mm over length 19.7 mm (from Z=0.0 to Z=19.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 256.2 mm (from Z=0.0 to Z=256.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00825", "image": "images/Shaft_00825.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø65.9 mm and length at least 301.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.9 mm over length 55.1 mm (from Z=0.0 to Z=55.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.4 mm over length 74.0 mm (from Z=0.0 to Z=241.0).\n10. Finish turn diameter Ø39.0 mm over length 30.6 mm (from Z=0.0 to Z=167.0).\n11. Finish turn diameter Ø30.0 mm over length 136.4 mm (from Z=0.0 to Z=136.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00777", "image": "images/Shaft_00777.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø75.7 mm and length at least 135.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø73.7 mm over length 31.2 mm (from Z=0.0 to Z=31.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø58.4 mm over length 10.0 mm (from Z=0.0 to Z=99.0).\n9. Finish turn diameter Ø40.3 mm over length 37.4 mm (from Z=0.0 to Z=89.0).\n10. Finish turn diameter Ø30.0 mm over length 51.6 mm (from Z=0.0 to Z=51.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00006", "image": "images/Shaft_00006.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø81.8 mm and length at least 167.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.8 mm over length 68.0 mm (from Z=0.0 to Z=68.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.7 mm over length 47.5 mm (from Z=0.0 to Z=94.3).\n9. Finish turn diameter Ø47.2 mm over length 46.8 mm (from Z=0.0 to Z=46.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00890", "image": "images/Shaft_00890.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 210.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 99.2 mm (from Z=0.0 to Z=99.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.7 mm over length 106.7 mm (from Z=0.0 to Z=106.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00828", "image": "images/Shaft_00828.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø50.8 mm and length at least 227.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.8 mm over length 16.2 mm (from Z=0.0 to Z=16.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø37.7 mm over length 56.2 mm (from Z=0.0 to Z=206.7).\n10. Finish turn diameter Ø30.0 mm over length 150.5 mm (from Z=0.0 to Z=150.5).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00284", "image": "images/Shaft_00284.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.5 mm and length at least 108.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø33.5 mm over length 32.6 mm (from Z=0.0 to Z=32.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 70.6 mm (from Z=0.0 to Z=70.6).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00603", "image": "images/Shaft_00603.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø78.6 mm and length at least 153.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.6 mm over length 57.3 mm (from Z=0.0 to Z=57.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø59.9 mm over length 45.1 mm (from Z=0.0 to Z=91.4).\n9. Finish turn diameter Ø54.2 mm over length 46.3 mm (from Z=0.0 to Z=46.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00459", "image": "images/Shaft_00459.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø80.2 mm and length at least 94.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.2 mm over length 27.0 mm (from Z=0.0 to Z=27.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø72.6 mm over length 28.1 mm (from Z=0.0 to Z=62.1).\n9. Finish turn diameter Ø54.9 mm over length 14.2 mm (from Z=0.0 to Z=34.0).\n10. Finish turn diameter Ø49.8 mm over length 19.8 mm (from Z=0.0 to Z=19.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00225", "image": "images/Shaft_00225.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø55.9 mm and length at least 108.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.9 mm over length 8.0 mm (from Z=0.0 to Z=8.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.9 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø43.6 mm over length 35.7 mm (from Z=0.0 to Z=95.1).\n9. Finish turn diameter Ø30.0 mm over length 59.4 mm (from Z=0.0 to Z=59.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00429", "image": "images/Shaft_00429.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø71.5 mm and length at least 275.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.5 mm over length 66.7 mm (from Z=0.0 to Z=66.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø65.2 mm over length 54.2 mm (from Z=0.0 to Z=203.6).\n10. Finish turn diameter Ø49.4 mm over length 73.9 mm (from Z=0.0 to Z=149.4).\n11. Finish turn diameter Ø36.3 mm over length 38.9 mm (from Z=0.0 to Z=75.5).\n12. Finish turn diameter Ø30.0 mm over length 36.6 mm (from Z=0.0 to Z=36.6).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00986", "image": "images/Shaft_00986.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø74.4 mm and length at least 190.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø72.4 mm over length 80.7 mm (from Z=0.0 to Z=80.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.5 mm over length 53.9 mm (from Z=0.0 to Z=105.0).\n9. Finish turn diameter Ø54.4 mm over length 51.1 mm (from Z=0.0 to Z=51.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00718", "image": "images/Shaft_00718.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 324.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 230.0 mm (from Z=0.0 to Z=230.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø18.3 mm over length 89.2 mm (from Z=0.0 to Z=89.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00665", "image": "images/Shaft_00665.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø66.4 mm and length at least 107.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø64.4 mm over length 50.7 mm (from Z=0.0 to Z=50.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø60.9 mm over length 5.0 mm (from Z=0.0 to Z=52.2).\n9. Finish turn diameter Ø41.6 mm over length 47.2 mm (from Z=0.0 to Z=47.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00733", "image": "images/Shaft_00733.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø65.7 mm and length at least 115.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.7 mm over length 16.2 mm (from Z=0.0 to Z=16.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø55.5 mm over length 13.3 mm (from Z=0.0 to Z=94.7).\n9. Finish turn diameter Ø50.9 mm over length 15.1 mm (from Z=0.0 to Z=81.4).\n10. Finish turn diameter Ø43.7 mm over length 29.7 mm (from Z=0.0 to Z=66.3).\n11. Finish turn diameter Ø30.0 mm over length 36.6 mm (from Z=0.0 to Z=36.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00203", "image": "images/Shaft_00203.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø38.4 mm and length at least 215.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø36.4 mm over length 60.0 mm (from Z=0.0 to Z=60.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø31.8 mm over length 65.4 mm (from Z=0.0 to Z=150.1).\n10. Finish turn diameter Ø30.0 mm over length 84.7 mm (from Z=0.0 to Z=84.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00574", "image": "images/Shaft_00574.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø65.4 mm and length at least 323.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.4 mm over length 91.3 mm (from Z=0.0 to Z=91.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.5 mm over length 64.1 mm (from Z=0.0 to Z=227.1).\n10. Finish turn diameter Ø52.5 mm over length 51.4 mm (from Z=0.0 to Z=163.0).\n11. Finish turn diameter Ø43.9 mm over length 45.9 mm (from Z=0.0 to Z=111.6).\n12. Finish turn diameter Ø35.7 mm over length 65.7 mm (from Z=0.0 to Z=65.7).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00027", "image": "images/Shaft_00027.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø43.7 mm and length at least 263.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.7 mm over length 50.9 mm (from Z=0.0 to Z=50.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø34.3 mm over length 46.7 mm (from Z=0.0 to Z=207.3).\n10. Finish turn diameter Ø30.0 mm over length 160.6 mm (from Z=0.0 to Z=160.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00616", "image": "images/Shaft_00616.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 221.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 173.2 mm (from Z=0.0 to Z=173.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø18.4 mm over length 43.4 mm (from Z=0.0 to Z=43.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00517", "image": "images/Shaft_00517.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø47.8 mm and length at least 208.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.8 mm over length 11.5 mm (from Z=0.0 to Z=11.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 192.0 mm (from Z=0.0 to Z=192.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00238", "image": "images/Shaft_00238.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø53.2 mm and length at least 117.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.2 mm over length 23.7 mm (from Z=0.0 to Z=23.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.2 mm over length 26.0 mm (from Z=0.0 to Z=88.9).\n9. Finish turn diameter Ø30.9 mm over length 21.3 mm (from Z=0.0 to Z=62.9).\n10. Finish turn diameter Ø30.0 mm over length 41.6 mm (from Z=0.0 to Z=41.6).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00223", "image": "images/Shaft_00223.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø34.9 mm and length at least 143.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.9 mm over length 25.2 mm (from Z=0.0 to Z=25.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 113.4 mm (from Z=0.0 to Z=113.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00095", "image": "images/Shaft_00095.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø80.2 mm and length at least 163.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.2 mm over length 50.0 mm (from Z=0.0 to Z=50.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.3 mm over length 10.9 mm (from Z=0.0 to Z=108.4).\n9. Finish turn diameter Ø46.4 mm over length 46.7 mm (from Z=0.0 to Z=97.5).\n10. Finish turn diameter Ø38.5 mm over length 50.8 mm (from Z=0.0 to Z=50.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00030", "image": "images/Shaft_00030.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.3 mm and length at least 161.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.3 mm over length 25.8 mm (from Z=0.0 to Z=25.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø42.9 mm over length 58.4 mm (from Z=0.0 to Z=130.3).\n9. Finish turn diameter Ø33.1 mm over length 71.9 mm (from Z=0.0 to Z=71.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00032", "image": "images/Shaft_00032.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø71.2 mm and length at least 95.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.2 mm over length 23.6 mm (from Z=0.0 to Z=23.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø65.5 mm over length 16.2 mm (from Z=0.0 to Z=66.4).\n9. Finish turn diameter Ø60.0 mm over length 18.3 mm (from Z=0.0 to Z=50.2).\n10. Finish turn diameter Ø51.1 mm over length 5.2 mm (from Z=0.0 to Z=31.9).\n11. Finish turn diameter Ø46.4 mm over length 26.7 mm (from Z=0.0 to Z=26.7).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00432", "image": "images/Shaft_00432.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø73.4 mm and length at least 146.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø71.4 mm over length 11.5 mm (from Z=0.0 to Z=11.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø64.7 mm over length 16.3 mm (from Z=0.0 to Z=129.6).\n9. Finish turn diameter Ø59.6 mm over length 35.7 mm (from Z=0.0 to Z=113.3).\n10. Finish turn diameter Ø46.8 mm over length 33.0 mm (from Z=0.0 to Z=77.6).\n11. Finish turn diameter Ø31.1 mm over length 16.7 mm (from Z=0.0 to Z=44.6).\n12. Finish turn diameter Ø30.0 mm over length 27.9 mm (from Z=0.0 to Z=27.9).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00604", "image": "images/Shaft_00604.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø69.7 mm and length at least 115.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø67.7 mm over length 18.7 mm (from Z=0.0 to Z=18.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø63.7 mm over length 12.3 mm (from Z=0.0 to Z=92.0).\n9. Finish turn diameter Ø59.9 mm over length 31.2 mm (from Z=0.0 to Z=79.7).\n10. Finish turn diameter Ø55.4 mm over length 25.2 mm (from Z=0.0 to Z=48.5).\n11. Finish turn diameter Ø49.6 mm over length 5.0 mm (from Z=0.0 to Z=23.3).\n12. Finish turn diameter Ø40.1 mm over length 18.3 mm (from Z=0.0 to Z=18.3).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00089", "image": "images/Shaft_00089.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.3 mm and length at least 112.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.3 mm over length 31.5 mm (from Z=0.0 to Z=31.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 75.9 mm (from Z=0.0 to Z=75.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00558", "image": "images/Shaft_00558.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø57.2 mm and length at least 97.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.2 mm over length 20.5 mm (from Z=0.0 to Z=20.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.2 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø51.6 mm over length 12.1 mm (from Z=0.0 to Z=72.2).\n9. Finish turn diameter Ø40.6 mm over length 51.7 mm (from Z=0.0 to Z=60.1).\n10. Finish turn diameter Ø30.0 mm over length 8.4 mm (from Z=0.0 to Z=8.4).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00913", "image": "images/Shaft_00913.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø60.9 mm and length at least 311.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.9 mm over length 61.7 mm (from Z=0.0 to Z=61.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø44.2 mm over length 58.6 mm (from Z=0.0 to Z=244.4).\n10. Finish turn diameter Ø30.0 mm over length 185.8 mm (from Z=0.0 to Z=185.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00758", "image": "images/Shaft_00758.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø78.5 mm and length at least 235.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø76.5 mm over length 27.7 mm (from Z=0.0 to Z=27.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø68.4 mm over length 62.9 mm (from Z=0.0 to Z=203.2).\n10. Finish turn diameter Ø49.0 mm over length 18.7 mm (from Z=0.0 to Z=140.3).\n11. Finish turn diameter Ø40.5 mm over length 44.5 mm (from Z=0.0 to Z=121.6).\n12. Finish turn diameter Ø30.0 mm over length 77.1 mm (from Z=0.0 to Z=77.1).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00692", "image": "images/Shaft_00692.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø70.0 mm and length at least 251.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.0 mm over length 9.8 mm (from Z=0.0 to Z=9.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø62.3 mm over length 39.7 mm (from Z=0.0 to Z=237.1).\n10. Finish turn diameter Ø49.2 mm over length 52.1 mm (from Z=0.0 to Z=197.4).\n11. Finish turn diameter Ø31.0 mm over length 39.0 mm (from Z=0.0 to Z=145.3).\n12. Finish turn diameter Ø30.0 mm over length 106.3 mm (from Z=0.0 to Z=106.3).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00104", "image": "images/Shaft_00104.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø65.2 mm and length at least 247.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.2 mm over length 30.6 mm (from Z=0.0 to Z=30.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø59.4 mm over length 33.8 mm (from Z=0.0 to Z=211.8).\n10. Finish turn diameter Ø45.0 mm over length 105.0 mm (from Z=0.0 to Z=178.0).\n11. Finish turn diameter Ø32.7 mm over length 73.0 mm (from Z=0.0 to Z=73.0).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00754", "image": "images/Shaft_00754.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 141.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 119.1 mm (from Z=0.0 to Z=119.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.4 mm over length 17.4 mm (from Z=0.0 to Z=17.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00142", "image": "images/Shaft_00142.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø41.4 mm and length at least 215.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.4 mm over length 56.9 mm (from Z=0.0 to Z=56.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 153.7 mm (from Z=0.0 to Z=153.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00228", "image": "images/Shaft_00228.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø60.3 mm and length at least 126.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.3 mm over length 26.5 mm (from Z=0.0 to Z=26.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø47.5 mm over length 47.2 mm (from Z=0.0 to Z=94.9).\n9. Finish turn diameter Ø30.3 mm over length 47.7 mm (from Z=0.0 to Z=47.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00250", "image": "images/Shaft_00250.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 292.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 254.2 mm (from Z=0.0 to Z=254.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.3 mm over length 33.5 mm (from Z=0.0 to Z=33.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00281", "image": "images/Shaft_00281.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.5 mm and length at least 250.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.5 mm over length 13.1 mm (from Z=0.0 to Z=13.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø41.4 mm over length 107.2 mm (from Z=0.0 to Z=232.5).\n10. Finish turn diameter Ø34.5 mm over length 106.2 mm (from Z=0.0 to Z=125.3).\n11. Finish turn diameter Ø30.0 mm over length 19.1 mm (from Z=0.0 to Z=19.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00759", "image": "images/Shaft_00759.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 77.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 43.8 mm (from Z=0.0 to Z=43.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø27.1 mm over length 28.9 mm (from Z=0.0 to Z=28.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00025", "image": "images/Shaft_00025.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø47.3 mm and length at least 109.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.3 mm over length 15.7 mm (from Z=0.0 to Z=15.7).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 88.8 mm (from Z=0.0 to Z=88.8).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00114", "image": "images/Shaft_00114.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø36.6 mm and length at least 71.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.6 mm over length 25.6 mm (from Z=0.0 to Z=25.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.6 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 40.5 mm (from Z=0.0 to Z=40.5).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00654", "image": "images/Shaft_00654.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 159.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 100.1 mm (from Z=0.0 to Z=100.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø23.6 mm over length 54.5 mm (from Z=0.0 to Z=54.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
diff --git a/annotations/val.jsonl b/annotations/val.jsonl
new file mode 100644
index 0000000000000000000000000000000000000000..fb67018dd36071e6a1618d21c5f03258322cad2d
--- /dev/null
+++ b/annotations/val.jsonl
@@ -0,0 +1,50 @@
+{"id": "Shaft_00776", "image": "images/Shaft_00776.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø46.7 mm and length at least 118.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.7 mm over length 29.4 mm (from Z=0.0 to Z=29.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø30.0 mm over length 83.9 mm (from Z=0.0 to Z=83.9).\n9. Break all edges (e.g., 2×45° where applicable).\n10. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00507", "image": "images/Shaft_00507.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø47.0 mm and length at least 100.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.0 mm over length 9.1 mm (from Z=0.0 to Z=9.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.9 mm over length 57.1 mm (from Z=0.0 to Z=86.6).\n9. Finish turn diameter Ø32.9 mm over length 29.5 mm (from Z=0.0 to Z=29.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00895", "image": "images/Shaft_00895.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø59.7 mm and length at least 313.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.7 mm over length 214.0 mm (from Z=0.0 to Z=214.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø49.8 mm over length 63.0 mm (from Z=0.0 to Z=94.1).\n10. Finish turn diameter Ø46.2 mm over length 31.1 mm (from Z=0.0 to Z=31.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00922", "image": "images/Shaft_00922.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø71.1 mm and length at least 213.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.1 mm over length 32.0 mm (from Z=0.0 to Z=32.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.1 mm over length 28.1 mm (from Z=0.0 to Z=176.2).\n10. Finish turn diameter Ø39.2 mm over length 39.6 mm (from Z=0.0 to Z=148.1).\n11. Finish turn diameter Ø35.1 mm over length 37.9 mm (from Z=0.0 to Z=108.5).\n12. Finish turn diameter Ø31.5 mm over length 34.1 mm (from Z=0.0 to Z=70.6).\n13. Finish turn diameter Ø30.0 mm over length 36.5 mm (from Z=0.0 to Z=36.5).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00033", "image": "images/Shaft_00033.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø52.0 mm and length at least 124.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø50.0 mm over length 27.6 mm (from Z=0.0 to Z=27.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.9 mm over length 38.3 mm (from Z=0.0 to Z=91.8).\n9. Finish turn diameter Ø36.0 mm over length 53.5 mm (from Z=0.0 to Z=53.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00483", "image": "images/Shaft_00483.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø71.8 mm and length at least 218.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø69.8 mm over length 28.9 mm (from Z=0.0 to Z=28.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.2 mm over length 52.8 mm (from Z=0.0 to Z=184.5).\n10. Finish turn diameter Ø47.5 mm over length 25.2 mm (from Z=0.0 to Z=131.7).\n11. Finish turn diameter Ø43.1 mm over length 20.4 mm (from Z=0.0 to Z=106.5).\n12. Finish turn diameter Ø36.7 mm over length 36.8 mm (from Z=0.0 to Z=86.1).\n13. Finish turn diameter Ø30.0 mm over length 49.3 mm (from Z=0.0 to Z=49.3).\n14. Break all edges (e.g., 2×45° where applicable).\n15. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00085", "image": "images/Shaft_00085.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø57.1 mm and length at least 277.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø55.1 mm over length 66.1 mm (from Z=0.0 to Z=66.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø48.5 mm over length 13.3 mm (from Z=0.0 to Z=206.3).\n10. Finish turn diameter Ø44.0 mm over length 50.5 mm (from Z=0.0 to Z=193.0).\n11. Finish turn diameter Ø30.8 mm over length 105.5 mm (from Z=0.0 to Z=142.5).\n12. Finish turn diameter Ø30.0 mm over length 37.0 mm (from Z=0.0 to Z=37.0).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00750", "image": "images/Shaft_00750.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø65.7 mm and length at least 198.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.7 mm over length 145.2 mm (from Z=0.0 to Z=145.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø52.6 mm over length 28.9 mm (from Z=0.0 to Z=48.6).\n10. Finish turn diameter Ø46.8 mm over length 19.7 mm (from Z=0.0 to Z=19.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00354", "image": "images/Shaft_00354.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø41.3 mm and length at least 299.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.3 mm over length 127.1 mm (from Z=0.0 to Z=127.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 167.0 mm (from Z=0.0 to Z=167.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00523", "image": "images/Shaft_00523.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø60.3 mm and length at least 162.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø58.3 mm over length 39.3 mm (from Z=0.0 to Z=39.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø50.6 mm over length 35.4 mm (from Z=0.0 to Z=118.6).\n9. Finish turn diameter Ø33.8 mm over length 48.1 mm (from Z=0.0 to Z=83.2).\n10. Finish turn diameter Ø30.0 mm over length 35.1 mm (from Z=0.0 to Z=35.1).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00184", "image": "images/Shaft_00184.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø56.1 mm and length at least 95.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.1 mm over length 32.9 mm (from Z=0.0 to Z=32.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø41.8 mm over length 16.5 mm (from Z=0.0 to Z=57.6).\n9. Finish turn diameter Ø37.7 mm over length 41.1 mm (from Z=0.0 to Z=41.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00809", "image": "images/Shaft_00809.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø46.5 mm and length at least 181.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.5 mm over length 103.8 mm (from Z=0.0 to Z=103.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.3 mm over length 47.9 mm (from Z=0.0 to Z=72.8).\n9. Finish turn diameter Ø30.0 mm over length 24.9 mm (from Z=0.0 to Z=24.9).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00418", "image": "images/Shaft_00418.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø55.7 mm and length at least 108.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø53.7 mm over length 26.0 mm (from Z=0.0 to Z=26.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.1 mm over length 30.4 mm (from Z=0.0 to Z=77.2).\n9. Finish turn diameter Ø30.0 mm over length 46.8 mm (from Z=0.0 to Z=46.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00615", "image": "images/Shaft_00615.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.2 mm and length at least 294.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø61.2 mm over length 13.1 mm (from Z=0.0 to Z=13.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø48.7 mm over length 46.1 mm (from Z=0.0 to Z=276.1).\n10. Finish turn diameter Ø36.8 mm over length 14.6 mm (from Z=0.0 to Z=230.0).\n11. Finish turn diameter Ø30.0 mm over length 215.4 mm (from Z=0.0 to Z=215.4).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00682", "image": "images/Shaft_00682.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.6 mm and length at least 276.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø32.6 mm over length 77.0 mm (from Z=0.0 to Z=77.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.6 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 194.3 mm (from Z=0.0 to Z=194.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00501", "image": "images/Shaft_00501.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø43.8 mm and length at least 135.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø41.8 mm over length 12.2 mm (from Z=0.0 to Z=12.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.8 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.8 mm over length 45.2 mm (from Z=0.0 to Z=118.6).\n9. Finish turn diameter Ø30.0 mm over length 73.4 mm (from Z=0.0 to Z=73.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00760", "image": "images/Shaft_00760.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø33.5 mm and length at least 182.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.5 mm over length 51.0 mm (from Z=0.0 to Z=51.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 126.7 mm (from Z=0.0 to Z=126.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00049", "image": "images/Shaft_00049.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø33.1 mm and length at least 239.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø31.1 mm over length 15.0 mm (from Z=0.0 to Z=15.0).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 219.4 mm (from Z=0.0 to Z=219.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00732", "image": "images/Shaft_00732.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.3 mm and length at least 172.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.3 mm over length 48.2 mm (from Z=0.0 to Z=48.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø39.6 mm over length 39.3 mm (from Z=0.0 to Z=119.2).\n9. Finish turn diameter Ø34.7 mm over length 64.6 mm (from Z=0.0 to Z=79.9).\n10. Finish turn diameter Ø30.0 mm over length 15.3 mm (from Z=0.0 to Z=15.3).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00336", "image": "images/Shaft_00336.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø46.3 mm and length at least 68.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø44.3 mm over length 13.4 mm (from Z=0.0 to Z=13.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.3 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø37.0 mm over length 8.7 mm (from Z=0.0 to Z=50.2).\n9. Finish turn diameter Ø30.0 mm over length 41.5 mm (from Z=0.0 to Z=41.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00450", "image": "images/Shaft_00450.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø54.0 mm and length at least 120.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø52.0 mm over length 30.6 mm (from Z=0.0 to Z=30.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.0 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø35.0 mm over length 22.6 mm (from Z=0.0 to Z=84.9).\n9. Finish turn diameter Ø30.0 mm over length 62.3 mm (from Z=0.0 to Z=62.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00790", "image": "images/Shaft_00790.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 260.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 190.5 mm (from Z=0.0 to Z=190.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø27.5 mm over length 64.5 mm (from Z=0.0 to Z=64.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00350", "image": "images/Shaft_00350.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø47.3 mm and length at least 288.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.3 mm over length 123.2 mm (from Z=0.0 to Z=123.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø38.3 mm over length 84.2 mm (from Z=0.0 to Z=159.9).\n10. Finish turn diameter Ø30.0 mm over length 75.7 mm (from Z=0.0 to Z=75.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00467", "image": "images/Shaft_00467.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø79.2 mm and length at least 243.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.2 mm over length 38.1 mm (from Z=0.0 to Z=38.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.2 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.5 mm over length 44.9 mm (from Z=0.0 to Z=200.3).\n10. Finish turn diameter Ø54.4 mm over length 35.4 mm (from Z=0.0 to Z=155.4).\n11. Finish turn diameter Ø38.4 mm over length 48.6 mm (from Z=0.0 to Z=120.0).\n12. Finish turn diameter Ø30.0 mm over length 71.4 mm (from Z=0.0 to Z=71.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00622", "image": "images/Shaft_00622.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø59.3 mm and length at least 307.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.3 mm over length 51.9 mm (from Z=0.0 to Z=51.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø47.0 mm over length 101.8 mm (from Z=0.0 to Z=250.5).\n10. Finish turn diameter Ø41.8 mm over length 66.6 mm (from Z=0.0 to Z=148.7).\n11. Finish turn diameter Ø30.0 mm over length 82.1 mm (from Z=0.0 to Z=82.1).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00476", "image": "images/Shaft_00476.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø79.4 mm and length at least 227.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø77.4 mm over length 69.5 mm (from Z=0.0 to Z=69.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø57.6 mm over length 58.7 mm (from Z=0.0 to Z=152.5).\n10. Finish turn diameter Ø46.8 mm over length 15.2 mm (from Z=0.0 to Z=93.8).\n11. Finish turn diameter Ø30.0 mm over length 78.6 mm (from Z=0.0 to Z=78.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00614", "image": "images/Shaft_00614.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø62.4 mm and length at least 107.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.4 mm over length 38.4 mm (from Z=0.0 to Z=38.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.4 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø49.5 mm over length 9.2 mm (from Z=0.0 to Z=63.7).\n9. Finish turn diameter Ø38.9 mm over length 14.8 mm (from Z=0.0 to Z=54.5).\n10. Finish turn diameter Ø30.0 mm over length 39.7 mm (from Z=0.0 to Z=39.7).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00554", "image": "images/Shaft_00554.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø50.4 mm and length at least 215.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø48.4 mm over length 33.8 mm (from Z=0.0 to Z=33.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø44.2 mm over length 14.4 mm (from Z=0.0 to Z=176.9).\n10. Finish turn diameter Ø37.0 mm over length 75.0 mm (from Z=0.0 to Z=162.5).\n11. Finish turn diameter Ø30.9 mm over length 87.5 mm (from Z=0.0 to Z=87.5).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00365", "image": "images/Shaft_00365.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø47.3 mm and length at least 304.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø45.3 mm over length 80.2 mm (from Z=0.0 to Z=80.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø39.1 mm over length 104.7 mm (from Z=0.0 to Z=219.5).\n10. Finish turn diameter Ø34.6 mm over length 114.8 mm (from Z=0.0 to Z=114.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00770", "image": "images/Shaft_00770.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø70.0 mm and length at least 291.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø68.0 mm over length 45.5 mm (from Z=0.0 to Z=45.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø60.2 mm over length 78.4 mm (from Z=0.0 to Z=241.3).\n10. Finish turn diameter Ø49.5 mm over length 131.3 mm (from Z=0.0 to Z=162.9).\n11. Finish turn diameter Ø30.8 mm over length 31.6 mm (from Z=0.0 to Z=31.6).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00630", "image": "images/Shaft_00630.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø59.9 mm and length at least 231.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø57.9 mm over length 87.8 mm (from Z=0.0 to Z=87.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.9 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø45.7 mm over length 44.4 mm (from Z=0.0 to Z=138.3).\n10. Finish turn diameter Ø30.0 mm over length 93.9 mm (from Z=0.0 to Z=93.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00940", "image": "images/Shaft_00940.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 128.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 102.5 mm (from Z=0.0 to Z=102.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø21.2 mm over length 21.0 mm (from Z=0.0 to Z=21.0).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00797", "image": "images/Shaft_00797.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø41.4 mm and length at least 307.2 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø39.4 mm over length 68.3 mm (from Z=0.0 to Z=68.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø32.7 mm over length 18.1 mm (from Z=0.0 to Z=233.9).\n10. Finish turn diameter Ø30.0 mm over length 215.8 mm (from Z=0.0 to Z=215.8).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00496", "image": "images/Shaft_00496.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø45.4 mm and length at least 236.6 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø43.4 mm over length 24.1 mm (from Z=0.0 to Z=24.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.4 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 207.5 mm (from Z=0.0 to Z=207.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00924", "image": "images/Shaft_00924.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 198.0 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 141.6 mm (from Z=0.0 to Z=141.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø29.6 mm over length 51.4 mm (from Z=0.0 to Z=51.4).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00369", "image": "images/Shaft_00369.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø56.1 mm and length at least 76.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.1 mm over length 18.3 mm (from Z=0.0 to Z=18.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.1 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø48.7 mm over length 22.2 mm (from Z=0.0 to Z=53.5).\n9. Finish turn diameter Ø42.2 mm over length 31.3 mm (from Z=0.0 to Z=31.3).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00596", "image": "images/Shaft_00596.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø81.5 mm and length at least 259.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø79.5 mm over length 10.4 mm (from Z=0.0 to Z=10.4).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø71.6 mm over length 57.2 mm (from Z=0.0 to Z=243.7).\n10. Finish turn diameter Ø61.1 mm over length 23.9 mm (from Z=0.0 to Z=186.5).\n11. Finish turn diameter Ø49.3 mm over length 80.7 mm (from Z=0.0 to Z=162.6).\n12. Finish turn diameter Ø37.2 mm over length 81.9 mm (from Z=0.0 to Z=81.9).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00720", "image": "images/Shaft_00720.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.7 mm and length at least 259.5 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø38.7 mm over length 65.2 mm (from Z=0.0 to Z=65.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø32.6 mm over length 35.4 mm (from Z=0.0 to Z=189.3).\n10. Finish turn diameter Ø30.0 mm over length 153.9 mm (from Z=0.0 to Z=153.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00053", "image": "images/Shaft_00053.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø80.7 mm and length at least 141.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø78.7 mm over length 23.9 mm (from Z=0.0 to Z=23.9).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø72.0 mm over length 60.3 mm (from Z=0.0 to Z=112.5).\n9. Finish turn diameter Ø53.6 mm over length 52.2 mm (from Z=0.0 to Z=52.2).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00426", "image": "images/Shaft_00426.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø65.8 mm and length at least 303.4 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø63.8 mm over length 36.6 mm (from Z=0.0 to Z=36.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.8 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø54.9 mm over length 43.5 mm (from Z=0.0 to Z=261.8).\n10. Finish turn diameter Ø38.8 mm over length 52.2 mm (from Z=0.0 to Z=218.3).\n11. Finish turn diameter Ø30.6 mm over length 45.7 mm (from Z=0.0 to Z=166.1).\n12. Finish turn diameter Ø30.0 mm over length 120.4 mm (from Z=0.0 to Z=120.4).\n13. Break all edges (e.g., 2×45° where applicable).\n14. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00056", "image": "images/Shaft_00056.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.7 mm and length at least 150.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø74.7 mm over length 23.8 mm (from Z=0.0 to Z=23.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.7 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø68.1 mm over length 32.8 mm (from Z=0.0 to Z=121.5).\n9. Finish turn diameter Ø62.8 mm over length 88.7 mm (from Z=0.0 to Z=88.7).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00264", "image": "images/Shaft_00264.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø56.5 mm and length at least 188.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø54.5 mm over length 127.8 mm (from Z=0.0 to Z=127.8).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.5 mm.\n6. Face the end and set Z=0.\n7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n8. Finish turn diameter Ø45.0 mm over length 39.0 mm (from Z=0.0 to Z=55.5).\n9. Finish turn diameter Ø30.2 mm over length 16.5 mm (from Z=0.0 to Z=16.5).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00772", "image": "images/Shaft_00772.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 317.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 188.2 mm (from Z=0.0 to Z=188.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø19.8 mm over length 124.1 mm (from Z=0.0 to Z=124.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00185", "image": "images/Shaft_00185.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø48.3 mm and length at least 321.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø46.3 mm over length 105.3 mm (from Z=0.0 to Z=105.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø35.3 mm over length 90.7 mm (from Z=0.0 to Z=211.6).\n10. Finish turn diameter Ø30.0 mm over length 120.9 mm (from Z=0.0 to Z=120.9).\n11. Break all edges (e.g., 2×45° where applicable).\n12. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00466", "image": "images/Shaft_00466.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 42CrMo4) with diameter at least Ø37.3 mm and length at least 202.8 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø35.3 mm over length 29.2 mm (from Z=0.0 to Z=29.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 168.6 mm (from Z=0.0 to Z=168.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00789", "image": "images/Shaft_00789.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø62.1 mm and length at least 299.3 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø60.1 mm over length 109.2 mm (from Z=0.0 to Z=109.2).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.1 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø51.5 mm over length 69.7 mm (from Z=0.0 to Z=185.1).\n10. Finish turn diameter Ø47.4 mm over length 68.5 mm (from Z=0.0 to Z=115.4).\n11. Finish turn diameter Ø35.5 mm over length 46.9 mm (from Z=0.0 to Z=46.9).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00174", "image": "images/Shaft_00174.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material 16MnCr5) with diameter at least Ø53.7 mm and length at least 207.9 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø51.7 mm over length 48.1 mm (from Z=0.0 to Z=48.1).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.7 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø43.7 mm over length 47.1 mm (from Z=0.0 to Z=154.8).\n10. Finish turn diameter Ø31.5 mm over length 12.9 mm (from Z=0.0 to Z=107.7).\n11. Finish turn diameter Ø30.0 mm over length 94.8 mm (from Z=0.0 to Z=94.8).\n12. Break all edges (e.g., 2×45° where applicable).\n13. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00150", "image": "images/Shaft_00150.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a steel round bar (material C45) with diameter at least Ø36.5 mm and length at least 281.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø34.5 mm over length 74.5 mm (from Z=0.0 to Z=74.5).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.5 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 201.6 mm (from Z=0.0 to Z=201.6).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00741", "image": "images/Shaft_00741.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 239.1 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø30.0 mm over length 164.3 mm (from Z=0.0 to Z=164.3).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø22.5 mm over length 69.8 mm (from Z=0.0 to Z=69.8).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
+{"id": "Shaft_00113", "image": "images/Shaft_00113.png", "conversations": [{"from": "user", "value": "Generate the machining process for the stepped shaft in the image. Use the exact 10–11 step template."}, {"from": "assistant", "value": "1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø49.3 mm and length at least 187.7 mm to allow machining allowances.\n2. Mount the bar in a three-jaw chuck.\n3. Face the end.\n4. Finish turn the holding diameter Ø47.3 mm over length 62.6 mm (from Z=0.0 to Z=62.6).\n5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.3 mm.\n6. Face the end and set Z=0.\n7. Center-drill the free end and support the bar with tail support.\n8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.\n9. Finish turn diameter Ø30.0 mm over length 120.1 mm (from Z=0.0 to Z=120.1).\n10. Break all edges (e.g., 2×45° where applicable).\n11. Remove the workpiece from the lathe."}]}
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new file mode 100644
index 0000000000000000000000000000000000000000..35c200804b2bb6716ea9194a40baa927adce6b59
--- /dev/null
+++ b/images/Shaft_00000.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebe8d6844da37b619a8c9f16cd39e1848e8a1a53f1edf7f0ae929a0684c2a08f
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diff --git a/images/Shaft_00001.png b/images/Shaft_00001.png
new file mode 100644
index 0000000000000000000000000000000000000000..615efa1213c0ff1dad4304a0b03e29538c9d02a3
--- /dev/null
+++ b/images/Shaft_00001.png
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+version https://git-lfs.github.com/spec/v1
+oid sha256:19c596a0037377d2a7fd5dae39570bbd7a29f2957c0120fa7f2e91e92096bc1c
+size 50697
diff --git a/images/Shaft_00002.png b/images/Shaft_00002.png
new file mode 100644
index 0000000000000000000000000000000000000000..9386b0eda92160dcc74d7864ac8fdfabdb3eebc3
--- /dev/null
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+version https://git-lfs.github.com/spec/v1
+oid sha256:8214f593ac27884af56872c4ab7ef11fd58d762e6c38e03d44f8a45a585c504d
+size 62254
diff --git a/images/Shaft_00003.png b/images/Shaft_00003.png
new file mode 100644
index 0000000000000000000000000000000000000000..b98a6293af787fef837e15cdf985eb624fdd8fdc
--- /dev/null
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+version https://git-lfs.github.com/spec/v1
+oid sha256:fb843d1e8566fffaa33ed7bfc296d814f58bdf2d145d73bf0a039f2c152ad530
+size 46691
diff --git a/images/Shaft_00004.png b/images/Shaft_00004.png
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index 0000000000000000000000000000000000000000..88ab73e224e28a859510b476bdad251e3984a000
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+version https://git-lfs.github.com/spec/v1
+oid sha256:e883e2daae08beef92ef5edd81225542e656411577f3dcf91b897c009f7306cb
+size 41755
diff --git a/images/Shaft_00005.png b/images/Shaft_00005.png
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+version https://git-lfs.github.com/spec/v1
+oid sha256:0894d72de06304111b0f024faf642a90736b24c10521cc58377bc843096e8a91
+size 40629
diff --git a/images/Shaft_00006.png b/images/Shaft_00006.png
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index 0000000000000000000000000000000000000000..7ddf92fa7bd63430a56aa164003e1898e013627e
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+version https://git-lfs.github.com/spec/v1
+oid sha256:631e9957ad04309bc6449e8848f716401bc7ce988894daa22cd7396e83c0fc2d
+size 53400
diff --git a/images/Shaft_00007.png b/images/Shaft_00007.png
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+version https://git-lfs.github.com/spec/v1
+oid sha256:879520bfd0faf621fb32bfdb9ede143eb95effe94e5f651dbbc553735a38d9a7
+size 40174
diff --git a/images/Shaft_00008.png b/images/Shaft_00008.png
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