[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 69.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 42.9 mm (from Z=0.0 to Z=42.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø21.4 mm over length 21.6 mm (from Z=0.0 to Z=21.6).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø57.7 mm and length at least 254.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.7 mm over length 67.2 mm (from Z=0.0 to Z=67.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø51.3 mm over length 7.6 mm (from Z=0.0 to Z=182.5).
10. Finish turn diameter Ø33.3 mm over length 34.8 mm (from Z=0.0 to Z=174.9).
11. Finish turn diameter Ø30.0 mm over length 140.1 mm (from Z=0.0 to Z=140.1).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø67.5 mm and length at least 196.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.5 mm over length 47.5 mm (from Z=0.0 to Z=47.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø48.6 mm over length 48.2 mm (from Z=0.0 to Z=143.5).
10. Finish turn diameter Ø40.2 mm over length 15.3 mm (from Z=0.0 to Z=95.3).
11. Finish turn diameter Ø34.0 mm over length 57.5 mm (from Z=0.0 to Z=80.0).
12. Finish turn diameter Ø30.0 mm over length 22.5 mm (from Z=0.0 to Z=22.5).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø67.2 mm and length at least 284.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.2 mm over length 33.2 mm (from Z=0.0 to Z=33.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø60.9 mm over length 67.4 mm (from Z=0.0 to Z=246.0).
10. Finish turn diameter Ø56.7 mm over length 93.1 mm (from Z=0.0 to Z=178.6).
11. Finish turn diameter Ø48.8 mm over length 41.5 mm (from Z=0.0 to Z=85.5).
12. Finish turn diameter Ø44.1 mm over length 44.0 mm (from Z=0.0 to Z=44.0).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 218.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 136.3 mm (from Z=0.0 to Z=136.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø21.0 mm over length 76.9 mm (from Z=0.0 to Z=76.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø67.5 mm and length at least 110.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.5 mm over length 19.4 mm (from Z=0.0 to Z=19.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø50.3 mm over length 21.5 mm (from Z=0.0 to Z=86.1).
9. Finish turn diameter Ø35.6 mm over length 21.8 mm (from Z=0.0 to Z=64.6).
10. Finish turn diameter Ø30.0 mm over length 42.8 mm (from Z=0.0 to Z=42.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø73.4 mm and length at least 112.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.4 mm over length 30.8 mm (from Z=0.0 to Z=30.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø59.6 mm over length 57.6 mm (from Z=0.0 to Z=77.0).
9. Finish turn diameter Ø49.9 mm over length 19.4 mm (from Z=0.0 to Z=19.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø36.6 mm and length at least 156.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.6 mm over length 8.5 mm (from Z=0.0 to Z=8.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 143.2 mm (from Z=0.0 to Z=143.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 112.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 76.6 mm (from Z=0.0 to Z=76.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø29.4 mm over length 30.5 mm (from Z=0.0 to Z=30.5).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø69.3 mm and length at least 167.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.3 mm over length 18.8 mm (from Z=0.0 to Z=18.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø52.7 mm over length 6.1 mm (from Z=0.0 to Z=144.1).
10. Finish turn diameter Ø39.2 mm over length 19.6 mm (from Z=0.0 to Z=138.0).
11. Finish turn diameter Ø30.0 mm over length 118.4 mm (from Z=0.0 to Z=118.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.5 mm over length 24.4 mm (from Z=0.0 to Z=24.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø64.6 mm over length 34.8 mm (from Z=0.0 to Z=122.2).
9. Finish turn diameter Ø56.8 mm over length 33.2 mm (from Z=0.0 to Z=87.4).
10. Finish turn diameter Ø39.9 mm over length 47.3 mm (from Z=0.0 to Z=54.2).
11. Finish turn diameter Ø33.2 mm over length 6.9 mm (from Z=0.0 to Z=6.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø54.3 mm and length at least 206.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.3 mm over length 51.9 mm (from Z=0.0 to Z=51.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø37.7 mm over length 45.1 mm (from Z=0.0 to Z=149.5).
10. Finish turn diameter Ø30.0 mm over length 104.4 mm (from Z=0.0 to Z=104.4).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 217.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 180.8 mm (from Z=0.0 to Z=180.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø29.3 mm over length 31.7 mm (from Z=0.0 to Z=31.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø41.1 mm and length at least 81.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.1 mm over length 20.7 mm (from Z=0.0 to Z=20.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 55.7 mm (from Z=0.0 to Z=55.7).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø65.3 mm and length at least 267.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.3 mm over length 97.3 mm (from Z=0.0 to Z=97.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø43.7 mm over length 21.3 mm (from Z=0.0 to Z=165.5).
10. Finish turn diameter Ø36.7 mm over length 144.2 mm (from Z=0.0 to Z=144.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø42.9 mm and length at least 231.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.9 mm over length 28.3 mm (from Z=0.0 to Z=28.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.1 mm over length 65.4 mm (from Z=0.0 to Z=197.9).
10. Finish turn diameter Ø30.0 mm over length 132.5 mm (from Z=0.0 to Z=132.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø68.3 mm and length at least 253.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.3 mm over length 94.8 mm (from Z=0.0 to Z=94.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø63.0 mm over length 49.2 mm (from Z=0.0 to Z=153.9).
10. Finish turn diameter Ø56.0 mm over length 104.7 mm (from Z=0.0 to Z=104.7).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.9 mm over length 44.1 mm (from Z=0.0 to Z=44.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø64.7 mm over length 39.4 mm (from Z=0.0 to Z=167.3).
10. Finish turn diameter Ø44.8 mm over length 16.1 mm (from Z=0.0 to Z=127.9).
11. Finish turn diameter Ø30.0 mm over length 111.8 mm (from Z=0.0 to Z=111.8).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 265.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 171.1 mm (from Z=0.0 to Z=171.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.2 mm over length 89.3 mm (from Z=0.0 to Z=89.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø37.3 mm and length at least 167.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.3 mm over length 90.3 mm (from Z=0.0 to Z=90.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø32.1 mm over length 11.3 mm (from Z=0.0 to Z=72.5).
9. Finish turn diameter Ø30.0 mm over length 61.2 mm (from Z=0.0 to Z=61.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø47.2 mm and length at least 156.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.2 mm over length 37.6 mm (from Z=0.0 to Z=37.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø40.8 mm over length 41.4 mm (from Z=0.0 to Z=113.8).
9. Finish turn diameter Ø34.3 mm over length 72.4 mm (from Z=0.0 to Z=72.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.1 mm and length at least 147.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.1 mm over length 27.9 mm (from Z=0.0 to Z=27.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø35.9 mm over length 9.2 mm (from Z=0.0 to Z=114.8).
10. Finish turn diameter Ø30.0 mm over length 105.6 mm (from Z=0.0 to Z=105.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø41.6 mm and length at least 243.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.6 mm over length 16.1 mm (from Z=0.0 to Z=16.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø32.5 mm over length 67.4 mm (from Z=0.0 to Z=222.3).
10. Finish turn diameter Ø30.0 mm over length 154.9 mm (from Z=0.0 to Z=154.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.3 mm and length at least 207.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.3 mm over length 39.4 mm (from Z=0.0 to Z=39.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø41.4 mm over length 89.3 mm (from Z=0.0 to Z=163.1).
10. Finish turn diameter Ø30.0 mm over length 73.8 mm (from Z=0.0 to Z=73.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.1 mm over length 41.2 mm (from Z=0.0 to Z=41.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 171.8 mm (from Z=0.0 to Z=171.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.4 mm over length 42.1 mm (from Z=0.0 to Z=42.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 230.0 mm (from Z=0.0 to Z=230.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.4 mm and length at least 91.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.4 mm over length 30.2 mm (from Z=0.0 to Z=30.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 55.9 mm (from Z=0.0 to Z=55.9).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø65.0 mm and length at least 195.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.0 mm over length 29.2 mm (from Z=0.0 to Z=29.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø46.3 mm over length 53.1 mm (from Z=0.0 to Z=161.0).
10. Finish turn diameter Ø30.0 mm over length 107.9 mm (from Z=0.0 to Z=107.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø68.5 mm and length at least 124.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.5 mm over length 19.0 mm (from Z=0.0 to Z=19.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø51.9 mm over length 22.0 mm (from Z=0.0 to Z=100.4).
9. Finish turn diameter Ø36.1 mm over length 15.2 mm (from Z=0.0 to Z=78.4).
10. Finish turn diameter Ø30.0 mm over length 63.2 mm (from Z=0.0 to Z=63.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.7 mm over length 21.4 mm (from Z=0.0 to Z=21.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø43.1 mm over length 51.0 mm (from Z=0.0 to Z=214.3).
10. Finish turn diameter Ø30.0 mm over length 163.3 mm (from Z=0.0 to Z=163.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.0 mm over length 57.5 mm (from Z=0.0 to Z=57.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 61.0 mm (from Z=0.0 to Z=61.0).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø70.4 mm and length at least 232.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.4 mm over length 95.0 mm (from Z=0.0 to Z=95.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø49.6 mm over length 20.1 mm (from Z=0.0 to Z=132.0).
10. Finish turn diameter Ø44.9 mm over length 66.5 mm (from Z=0.0 to Z=111.9).
11. Finish turn diameter Ø30.0 mm over length 45.4 mm (from Z=0.0 to Z=45.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.9 mm over length 23.1 mm (from Z=0.0 to Z=23.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.4 mm over length 24.0 mm (from Z=0.0 to Z=159.3).
9. Finish turn diameter Ø36.8 mm over length 92.2 mm (from Z=0.0 to Z=135.3).
10. Finish turn diameter Ø30.0 mm over length 43.1 mm (from Z=0.0 to Z=43.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.5 mm and length at least 275.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.5 mm over length 30.9 mm (from Z=0.0 to Z=30.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø62.1 mm over length 43.8 mm (from Z=0.0 to Z=239.5).
10. Finish turn diameter Ø50.8 mm over length 64.1 mm (from Z=0.0 to Z=195.7).
11. Finish turn diameter Ø34.8 mm over length 44.3 mm (from Z=0.0 to Z=131.6).
12. Finish turn diameter Ø31.5 mm over length 87.3 mm (from Z=0.0 to Z=87.3).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø41.4 mm and length at least 177.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.4 mm over length 119.9 mm (from Z=0.0 to Z=119.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø34.6 mm over length 10.9 mm (from Z=0.0 to Z=52.2).
10. Finish turn diameter Ø30.0 mm over length 41.3 mm (from Z=0.0 to Z=41.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.2 mm and length at least 241.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.2 mm over length 71.1 mm (from Z=0.0 to Z=71.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø62.5 mm over length 117.6 mm (from Z=0.0 to Z=164.9).
10. Finish turn diameter Ø45.0 mm over length 47.3 mm (from Z=0.0 to Z=47.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø67.6 mm and length at least 159.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.6 mm over length 16.2 mm (from Z=0.0 to Z=16.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø55.9 mm over length 94.4 mm (from Z=0.0 to Z=138.5).
9. Finish turn diameter Ø51.3 mm over length 44.1 mm (from Z=0.0 to Z=44.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø73.9 mm and length at least 82.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.9 mm over length 14.8 mm (from Z=0.0 to Z=14.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø55.8 mm over length 20.4 mm (from Z=0.0 to Z=63.1).
9. Finish turn diameter Ø41.2 mm over length 18.6 mm (from Z=0.0 to Z=42.7).
10. Finish turn diameter Ø30.0 mm over length 24.1 mm (from Z=0.0 to Z=24.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.5 mm over length 49.1 mm (from Z=0.0 to Z=49.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø42.0 mm over length 22.9 mm (from Z=0.0 to Z=187.2).
10. Finish turn diameter Ø38.7 mm over length 22.1 mm (from Z=0.0 to Z=164.3).
11. Finish turn diameter Ø30.0 mm over length 142.2 mm (from Z=0.0 to Z=142.2).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 265.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 154.5 mm (from Z=0.0 to Z=154.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.9 mm over length 106.1 mm (from Z=0.0 to Z=106.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.5 mm over length 13.5 mm (from Z=0.0 to Z=13.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø64.3 mm over length 18.8 mm (from Z=0.0 to Z=77.5).
9. Finish turn diameter Ø46.6 mm over length 11.9 mm (from Z=0.0 to Z=58.7).
10. Finish turn diameter Ø40.4 mm over length 13.9 mm (from Z=0.0 to Z=46.8).
11. Finish turn diameter Ø37.3 mm over length 19.5 mm (from Z=0.0 to Z=32.9).
12. Finish turn diameter Ø30.0 mm over length 13.4 mm (from Z=0.0 to Z=13.4).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø36.5 mm and length at least 299.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.5 mm over length 55.9 mm (from Z=0.0 to Z=55.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 238.3 mm (from Z=0.0 to Z=238.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø70.6 mm and length at least 151.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.6 mm over length 37.8 mm (from Z=0.0 to Z=37.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø59.3 mm over length 23.4 mm (from Z=0.0 to Z=109.0).
9. Finish turn diameter Ø46.5 mm over length 31.5 mm (from Z=0.0 to Z=85.6).
10. Finish turn diameter Ø30.0 mm over length 54.1 mm (from Z=0.0 to Z=54.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø43.3 mm and length at least 91.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.3 mm over length 10.7 mm (from Z=0.0 to Z=10.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø34.7 mm over length 13.2 mm (from Z=0.0 to Z=76.2).
9. Finish turn diameter Ø30.0 mm over length 63.0 mm (from Z=0.0 to Z=63.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø46.7 mm and length at least 189.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.7 mm over length 58.5 mm (from Z=0.0 to Z=58.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 126.1 mm (from Z=0.0 to Z=126.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø81.9 mm and length at least 164.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.9 mm over length 24.4 mm (from Z=0.0 to Z=24.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.0 mm over length 10.0 mm (from Z=0.0 to Z=135.5).
9. Finish turn diameter Ø51.0 mm over length 11.7 mm (from Z=0.0 to Z=125.5).
10. Finish turn diameter Ø42.5 mm over length 38.8 mm (from Z=0.0 to Z=113.8).
11. Finish turn diameter Ø38.0 mm over length 45.9 mm (from Z=0.0 to Z=75.0).
12. Finish turn diameter Ø30.0 mm over length 29.1 mm (from Z=0.0 to Z=29.1).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø68.2 mm and length at least 218.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.2 mm over length 27.9 mm (from Z=0.0 to Z=27.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø60.7 mm over length 47.9 mm (from Z=0.0 to Z=185.3).
10. Finish turn diameter Ø57.1 mm over length 50.6 mm (from Z=0.0 to Z=137.4).
11. Finish turn diameter Ø46.3 mm over length 39.6 mm (from Z=0.0 to Z=86.8).
12. Finish turn diameter Ø41.5 mm over length 32.3 mm (from Z=0.0 to Z=47.2).
13. Finish turn diameter Ø30.0 mm over length 14.9 mm (from Z=0.0 to Z=14.9).
14. Break all edges (e.g., 2×45° where applicable).
15. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø39.3 mm and length at least 322.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.3 mm over length 138.7 mm (from Z=0.0 to Z=138.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 178.7 mm (from Z=0.0 to Z=178.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 270.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 194.8 mm (from Z=0.0 to Z=194.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø29.7 mm over length 70.3 mm (from Z=0.0 to Z=70.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø68.0 mm and length at least 210.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.0 mm over length 85.1 mm (from Z=0.0 to Z=85.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø56.2 mm over length 46.6 mm (from Z=0.0 to Z=120.7).
10. Finish turn diameter Ø42.9 mm over length 28.8 mm (from Z=0.0 to Z=74.1).
11. Finish turn diameter Ø30.0 mm over length 45.3 mm (from Z=0.0 to Z=45.3).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø71.4 mm and length at least 274.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.4 mm over length 75.4 mm (from Z=0.0 to Z=75.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø59.6 mm over length 53.6 mm (from Z=0.0 to Z=193.7).
10. Finish turn diameter Ø45.1 mm over length 72.2 mm (from Z=0.0 to Z=140.1).
11. Finish turn diameter Ø34.4 mm over length 67.9 mm (from Z=0.0 to Z=67.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø69.6 mm and length at least 188.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.6 mm over length 92.7 mm (from Z=0.0 to Z=92.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø55.4 mm over length 57.3 mm (from Z=0.0 to Z=90.3).
9. Finish turn diameter Ø41.2 mm over length 33.0 mm (from Z=0.0 to Z=33.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø52.1 mm and length at least 86.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.1 mm over length 16.7 mm (from Z=0.0 to Z=16.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø41.4 mm over length 14.8 mm (from Z=0.0 to Z=65.2).
9. Finish turn diameter Ø34.4 mm over length 8.9 mm (from Z=0.0 to Z=50.4).
10. Finish turn diameter Ø30.0 mm over length 41.5 mm (from Z=0.0 to Z=41.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø67.8 mm and length at least 212.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.8 mm over length 51.2 mm (from Z=0.0 to Z=51.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø55.1 mm over length 46.5 mm (from Z=0.0 to Z=156.6).
10. Finish turn diameter Ø38.6 mm over length 38.2 mm (from Z=0.0 to Z=110.1).
11. Finish turn diameter Ø30.0 mm over length 71.9 mm (from Z=0.0 to Z=71.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø39.4 mm and length at least 178.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.4 mm over length 51.1 mm (from Z=0.0 to Z=51.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 122.5 mm (from Z=0.0 to Z=122.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.2 mm over length 6.4 mm (from Z=0.0 to Z=6.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø38.8 mm over length 62.0 mm (from Z=0.0 to Z=125.8).
9. Finish turn diameter Ø30.0 mm over length 63.8 mm (from Z=0.0 to Z=63.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø66.7 mm and length at least 90.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.7 mm over length 40.8 mm (from Z=0.0 to Z=40.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.9 mm over length 15.4 mm (from Z=0.0 to Z=44.2).
9. Finish turn diameter Ø41.5 mm over length 28.8 mm (from Z=0.0 to Z=28.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø73.4 mm and length at least 197.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.4 mm over length 33.7 mm (from Z=0.0 to Z=33.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø63.9 mm over length 35.8 mm (from Z=0.0 to Z=158.3).
10. Finish turn diameter Ø45.3 mm over length 39.1 mm (from Z=0.0 to Z=122.5).
11. Finish turn diameter Ø41.6 mm over length 36.6 mm (from Z=0.0 to Z=83.4).
12. Finish turn diameter Ø35.1 mm over length 31.0 mm (from Z=0.0 to Z=46.8).
13. Finish turn diameter Ø30.0 mm over length 15.8 mm (from Z=0.0 to Z=15.8).
14. Break all edges (e.g., 2×45° where applicable).
15. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø47.0 mm and length at least 161.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.0 mm over length 13.7 mm (from Z=0.0 to Z=13.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 143.2 mm (from Z=0.0 to Z=143.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø35.1 mm and length at least 271.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.1 mm over length 15.2 mm (from Z=0.0 to Z=15.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 251.4 mm (from Z=0.0 to Z=251.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.7 mm over length 6.6 mm (from Z=0.0 to Z=6.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø32.5 mm over length 25.8 mm (from Z=0.0 to Z=76.3).
9. Finish turn diameter Ø30.0 mm over length 50.5 mm (from Z=0.0 to Z=50.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.7 mm over length 67.3 mm (from Z=0.0 to Z=67.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø39.4 mm over length 89.9 mm (from Z=0.0 to Z=107.2).
9. Finish turn diameter Ø30.0 mm over length 17.3 mm (from Z=0.0 to Z=17.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø42.9 mm and length at least 198.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.9 mm over length 61.2 mm (from Z=0.0 to Z=61.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 132.5 mm (from Z=0.0 to Z=132.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø73.8 mm and length at least 148.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.8 mm over length 31.9 mm (from Z=0.0 to Z=31.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø59.6 mm over length 20.1 mm (from Z=0.0 to Z=111.4).
9. Finish turn diameter Ø44.2 mm over length 22.1 mm (from Z=0.0 to Z=91.3).
10. Finish turn diameter Ø36.8 mm over length 16.3 mm (from Z=0.0 to Z=69.2).
11. Finish turn diameter Ø32.3 mm over length 19.2 mm (from Z=0.0 to Z=52.9).
12. Finish turn diameter Ø30.0 mm over length 33.7 mm (from Z=0.0 to Z=33.7).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.1 mm and length at least 77.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.1 mm over length 41.8 mm (from Z=0.0 to Z=41.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 30.7 mm (from Z=0.0 to Z=30.7).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø43.0 mm and length at least 90.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.0 mm over length 6.4 mm (from Z=0.0 to Z=6.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø36.3 mm over length 7.0 mm (from Z=0.0 to Z=78.6).
9. Finish turn diameter Ø30.0 mm over length 71.6 mm (from Z=0.0 to Z=71.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø74.2 mm and length at least 103.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.2 mm over length 15.5 mm (from Z=0.0 to Z=15.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø67.1 mm over length 39.6 mm (from Z=0.0 to Z=82.8).
9. Finish turn diameter Ø47.4 mm over length 43.2 mm (from Z=0.0 to Z=43.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø42.1 mm and length at least 101.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.1 mm over length 18.9 mm (from Z=0.0 to Z=18.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 77.8 mm (from Z=0.0 to Z=77.8).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.6 mm over length 49.0 mm (from Z=0.0 to Z=49.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø57.2 mm over length 38.3 mm (from Z=0.0 to Z=75.8).
9. Finish turn diameter Ø44.0 mm over length 37.5 mm (from Z=0.0 to Z=37.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.3 mm and length at least 279.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.3 mm over length 56.4 mm (from Z=0.0 to Z=56.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 217.6 mm (from Z=0.0 to Z=217.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø73.1 mm and length at least 156.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.1 mm over length 42.3 mm (from Z=0.0 to Z=42.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.1 mm over length 51.6 mm (from Z=0.0 to Z=108.7).
9. Finish turn diameter Ø44.0 mm over length 57.1 mm (from Z=0.0 to Z=57.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 254.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 207.5 mm (from Z=0.0 to Z=207.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø29.6 mm over length 41.8 mm (from Z=0.0 to Z=41.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 167.9 mm (from Z=0.0 to Z=167.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø24.7 mm over length 50.5 mm (from Z=0.0 to Z=50.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.5 mm over length 63.8 mm (from Z=0.0 to Z=63.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.7 mm over length 12.2 mm (from Z=0.0 to Z=105.5).
10. Finish turn diameter Ø30.0 mm over length 93.3 mm (from Z=0.0 to Z=93.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø51.2 mm and length at least 210.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.2 mm over length 89.0 mm (from Z=0.0 to Z=89.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.5 mm over length 100.0 mm (from Z=0.0 to Z=116.1).
10. Finish turn diameter Ø30.0 mm over length 16.1 mm (from Z=0.0 to Z=16.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.7 mm over length 34.0 mm (from Z=0.0 to Z=34.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø51.0 mm over length 26.4 mm (from Z=0.0 to Z=214.3).
10. Finish turn diameter Ø39.0 mm over length 95.3 mm (from Z=0.0 to Z=187.9).
11. Finish turn diameter Ø30.0 mm over length 92.6 mm (from Z=0.0 to Z=92.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.6 mm and length at least 300.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.6 mm over length 82.0 mm (from Z=0.0 to Z=82.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø36.6 mm over length 31.8 mm (from Z=0.0 to Z=213.9).
10. Finish turn diameter Ø30.0 mm over length 182.1 mm (from Z=0.0 to Z=182.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø37.5 mm and length at least 131.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.5 mm over length 52.3 mm (from Z=0.0 to Z=52.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 74.0 mm (from Z=0.0 to Z=74.0).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.4 mm and length at least 65.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.4 mm over length 37.3 mm (from Z=0.0 to Z=37.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø67.7 mm over length 11.3 mm (from Z=0.0 to Z=23.4).
9. Finish turn diameter Ø62.1 mm over length 12.1 mm (from Z=0.0 to Z=12.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø63.9 mm and length at least 175.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.9 mm over length 24.7 mm (from Z=0.0 to Z=24.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø49.9 mm over length 43.1 mm (from Z=0.0 to Z=145.3).
9. Finish turn diameter Ø33.5 mm over length 45.2 mm (from Z=0.0 to Z=102.2).
10. Finish turn diameter Ø30.0 mm over length 57.0 mm (from Z=0.0 to Z=57.0).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.6 mm and length at least 158.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.6 mm over length 46.0 mm (from Z=0.0 to Z=46.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 107.1 mm (from Z=0.0 to Z=107.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø64.4 mm and length at least 227.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.4 mm over length 76.0 mm (from Z=0.0 to Z=76.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø49.4 mm over length 31.1 mm (from Z=0.0 to Z=146.4).
10. Finish turn diameter Ø46.2 mm over length 80.9 mm (from Z=0.0 to Z=115.3).
11. Finish turn diameter Ø30.0 mm over length 34.4 mm (from Z=0.0 to Z=34.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø54.9 mm and length at least 249.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.9 mm over length 95.0 mm (from Z=0.0 to Z=95.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø38.7 mm over length 66.8 mm (from Z=0.0 to Z=149.0).
10. Finish turn diameter Ø30.0 mm over length 82.2 mm (from Z=0.0 to Z=82.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø66.4 mm and length at least 124.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.4 mm over length 19.9 mm (from Z=0.0 to Z=19.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø54.7 mm over length 74.7 mm (from Z=0.0 to Z=99.6).
9. Finish turn diameter Ø47.6 mm over length 24.9 mm (from Z=0.0 to Z=24.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø70.5 mm and length at least 195.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.5 mm over length 37.1 mm (from Z=0.0 to Z=37.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø54.9 mm over length 28.6 mm (from Z=0.0 to Z=153.3).
10. Finish turn diameter Ø35.6 mm over length 29.5 mm (from Z=0.0 to Z=124.7).
11. Finish turn diameter Ø30.0 mm over length 95.2 mm (from Z=0.0 to Z=95.2).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.9 mm over length 23.9 mm (from Z=0.0 to Z=23.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 152.9 mm (from Z=0.0 to Z=152.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø44.9 mm and length at least 97.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.9 mm over length 27.0 mm (from Z=0.0 to Z=27.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 65.0 mm (from Z=0.0 to Z=65.0).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.2 mm and length at least 209.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.2 mm over length 53.8 mm (from Z=0.0 to Z=53.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.6 mm over length 71.7 mm (from Z=0.0 to Z=150.5).
10. Finish turn diameter Ø44.0 mm over length 78.8 mm (from Z=0.0 to Z=78.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø74.3 mm and length at least 108.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.3 mm over length 28.3 mm (from Z=0.0 to Z=28.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø66.1 mm over length 23.6 mm (from Z=0.0 to Z=74.9).
9. Finish turn diameter Ø56.0 mm over length 51.3 mm (from Z=0.0 to Z=51.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.6 mm and length at least 323.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.6 mm over length 93.8 mm (from Z=0.0 to Z=93.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø67.7 mm over length 115.7 mm (from Z=0.0 to Z=225.0).
10. Finish turn diameter Ø63.7 mm over length 73.3 mm (from Z=0.0 to Z=109.3).
11. Finish turn diameter Ø49.1 mm over length 22.4 mm (from Z=0.0 to Z=36.0).
12. Finish turn diameter Ø31.3 mm over length 13.6 mm (from Z=0.0 to Z=13.6).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø42.3 mm and length at least 307.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.3 mm over length 64.6 mm (from Z=0.0 to Z=64.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 238.0 mm (from Z=0.0 to Z=238.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø75.7 mm and length at least 228.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.7 mm over length 37.4 mm (from Z=0.0 to Z=37.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.6 mm over length 55.7 mm (from Z=0.0 to Z=186.2).
10. Finish turn diameter Ø44.0 mm over length 35.9 mm (from Z=0.0 to Z=130.5).
11. Finish turn diameter Ø32.3 mm over length 58.0 mm (from Z=0.0 to Z=94.6).
12. Finish turn diameter Ø30.0 mm over length 36.6 mm (from Z=0.0 to Z=36.6).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 299.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 160.7 mm (from Z=0.0 to Z=160.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø25.2 mm over length 133.7 mm (from Z=0.0 to Z=133.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.9 mm and length at least 212.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.9 mm over length 92.9 mm (from Z=0.0 to Z=92.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.0 mm over length 21.5 mm (from Z=0.0 to Z=114.7).
10. Finish turn diameter Ø30.0 mm over length 93.2 mm (from Z=0.0 to Z=93.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 156.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 84.4 mm (from Z=0.0 to Z=84.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø24.0 mm over length 67.2 mm (from Z=0.0 to Z=67.2).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø42.7 mm and length at least 79.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.7 mm over length 13.5 mm (from Z=0.0 to Z=13.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 61.3 mm (from Z=0.0 to Z=61.3).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.3 mm over length 52.3 mm (from Z=0.0 to Z=52.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø57.9 mm over length 15.6 mm (from Z=0.0 to Z=191.8).
10. Finish turn diameter Ø41.9 mm over length 55.4 mm (from Z=0.0 to Z=176.2).
11. Finish turn diameter Ø34.8 mm over length 16.8 mm (from Z=0.0 to Z=120.8).
12. Finish turn diameter Ø30.1 mm over length 31.5 mm (from Z=0.0 to Z=104.0).
13. Finish turn diameter Ø30.0 mm over length 72.5 mm (from Z=0.0 to Z=72.5).
14. Break all edges (e.g., 2×45° where applicable).
15. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø42.8 mm and length at least 69.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.8 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø36.9 mm over length 12.7 mm (from Z=0.0 to Z=59.3).
9. Finish turn diameter Ø30.0 mm over length 46.6 mm (from Z=0.0 to Z=46.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
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.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.7 mm over length 22.3 mm (from Z=0.0 to Z=22.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø63.6 mm over length 58.3 mm (from Z=0.0 to Z=210.9).
10. Finish turn diameter Ø46.8 mm over length 52.1 mm (from Z=0.0 to Z=152.6).
11. Finish turn diameter Ø30.0 mm over length 100.5 mm (from Z=0.0 to Z=100.5).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.8 mm and length at least 320.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.8 mm over length 40.1 mm (from Z=0.0 to Z=40.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø45.5 mm over length 11.6 mm (from Z=0.0 to Z=275.4).
10. Finish turn diameter Ø41.2 mm over length 76.0 mm (from Z=0.0 to Z=263.8).
11. Finish turn diameter Ø31.3 mm over length 81.9 mm (from Z=0.0 to Z=187.8).
12. Finish turn diameter Ø30.0 mm over length 105.9 mm (from Z=0.0 to Z=105.9).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø79.0 mm and length at least 263.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.0 mm over length 89.8 mm (from Z=0.0 to Z=89.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø66.2 mm over length 57.6 mm (from Z=0.0 to Z=168.9).
10. Finish turn diameter Ø48.5 mm over length 63.7 mm (from Z=0.0 to Z=111.3).
11. Finish turn diameter Ø41.9 mm over length 47.6 mm (from Z=0.0 to Z=47.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 295.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 223.3 mm (from Z=0.0 to Z=223.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø29.9 mm over length 67.1 mm (from Z=0.0 to Z=67.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.5 mm and length at least 274.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.5 mm over length 45.7 mm (from Z=0.0 to Z=45.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø45.6 mm over length 59.8 mm (from Z=0.0 to Z=223.3).
10. Finish turn diameter Ø39.6 mm over length 43.1 mm (from Z=0.0 to Z=163.5).
11. Finish turn diameter Ø30.0 mm over length 120.4 mm (from Z=0.0 to Z=120.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 281.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 237.0 mm (from Z=0.0 to Z=237.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø25.3 mm over length 39.5 mm (from Z=0.0 to Z=39.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø55.6 mm and length at least 162.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.6 mm over length 13.2 mm (from Z=0.0 to Z=13.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.5 mm over length 47.3 mm (from Z=0.0 to Z=144.7).
10. Finish turn diameter Ø30.0 mm over length 97.4 mm (from Z=0.0 to Z=97.4).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø78.4 mm and length at least 179.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.4 mm over length 64.1 mm (from Z=0.0 to Z=64.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø68.8 mm over length 6.2 mm (from Z=0.0 to Z=110.2).
9. Finish turn diameter Ø61.2 mm over length 50.9 mm (from Z=0.0 to Z=104.0).
10. Finish turn diameter Ø51.7 mm over length 17.1 mm (from Z=0.0 to Z=53.1).
11. Finish turn diameter Ø33.7 mm over length 36.0 mm (from Z=0.0 to Z=36.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.4 mm and length at least 237.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.4 mm over length 122.3 mm (from Z=0.0 to Z=122.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø55.4 mm over length 49.1 mm (from Z=0.0 to Z=110.6).
10. Finish turn diameter Ø51.5 mm over length 61.5 mm (from Z=0.0 to Z=61.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 273.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 188.7 mm (from Z=0.0 to Z=188.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø25.7 mm over length 79.6 mm (from Z=0.0 to Z=79.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø67.6 mm and length at least 70.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.6 mm over length 13.3 mm (from Z=0.0 to Z=13.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø51.1 mm over length 19.9 mm (from Z=0.0 to Z=51.7).
9. Finish turn diameter Ø36.4 mm over length 22.9 mm (from Z=0.0 to Z=31.8).
10. Finish turn diameter Ø30.0 mm over length 8.9 mm (from Z=0.0 to Z=8.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.