[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 Ø81.6 mm and length at least 252.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.6 mm over length 68.7 mm (from Z=0.0 to Z=68.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.6 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 Ø65.0 mm over length 71.4 mm (from Z=0.0 to Z=179.1).
10. Finish turn diameter Ø47.5 mm over length 53.5 mm (from Z=0.0 to Z=107.7).
11. Finish turn diameter Ø32.6 mm over length 24.7 mm (from Z=0.0 to Z=54.2).
12. Finish turn diameter Ø30.0 mm over length 29.5 mm (from Z=0.0 to Z=29.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø51.3 mm and length at least 277.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.3 mm over length 23.8 mm (from Z=0.0 to Z=23.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.3 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 Ø34.3 mm over length 97.5 mm (from Z=0.0 to Z=248.8).
10. Finish turn diameter Ø30.0 mm over length 151.3 mm (from Z=0.0 to Z=151.3).
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 stainless steel round bar (material 1.4301) with diameter at least Ø78.0 mm and length at least 111.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.0 mm over length 36.0 mm (from Z=0.0 to Z=36.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.0 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 Ø71.6 mm over length 33.3 mm (from Z=0.0 to Z=70.1).
9. Finish turn diameter Ø62.0 mm over length 36.8 mm (from Z=0.0 to Z=36.8).
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 Ø36.4 mm and length at least 261.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.4 mm over length 94.4 mm (from Z=0.0 to Z=94.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.4 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 162.1 mm (from Z=0.0 to Z=162.1).
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 C45) with diameter at least Ø37.4 mm and length at least 110.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.4 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 Ø35.4 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 100.9 mm (from Z=0.0 to Z=100.9).
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 C45) with diameter at least Ø60.5 mm and length at least 115.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.5 mm over length 26.9 mm (from Z=0.0 to Z=26.9).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø47.5 mm over length 29.8 mm (from Z=0.0 to Z=83.9).
9. Finish turn diameter Ø37.2 mm over length 49.1 mm (from Z=0.0 to Z=54.1).
10. Finish turn diameter Ø30.0 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
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 stainless steel round bar (material 1.4301) with diameter at least Ø73.4 mm and length at least 260.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.4 mm over length 28.0 mm (from Z=0.0 to Z=28.0).
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 Ø54.8 mm over length 23.5 mm (from Z=0.0 to Z=227.3).
10. Finish turn diameter Ø41.5 mm over length 110.4 mm (from Z=0.0 to Z=203.8).
11. Finish turn diameter Ø30.0 mm over length 93.4 mm (from Z=0.0 to Z=93.4).
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 Ø61.4 mm and length at least 76.9 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 23.5 mm (from Z=0.0 to Z=23.5).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø47.9 mm over length 27.2 mm (from Z=0.0 to Z=48.4).
9. Finish turn diameter Ø30.2 mm over length 6.1 mm (from Z=0.0 to Z=21.2).
10. Finish turn diameter Ø30.0 mm over length 15.1 mm (from Z=0.0 to Z=15.1).
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 stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 220.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 132.4 mm (from Z=0.0 to Z=132.4).
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. 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 Ø28.8 mm over length 83.5 mm (from Z=0.0 to Z=83.5).
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 Ø32.7 mm and length at least 211.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.7 mm over length 9.4 mm (from Z=0.0 to Z=9.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.7 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 196.7 mm (from Z=0.0 to Z=196.7).
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 C45) with diameter at least Ø74.3 mm and length at least 144.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.3 mm over length 32.1 mm (from Z=0.0 to Z=32.1).
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 Ø56.6 mm over length 16.9 mm (from Z=0.0 to Z=107.7).
9. Finish turn diameter Ø53.0 mm over length 25.4 mm (from Z=0.0 to Z=90.8).
10. Finish turn diameter Ø49.1 mm over length 35.2 mm (from Z=0.0 to Z=65.4).
11. Finish turn diameter Ø35.3 mm over length 30.2 mm (from Z=0.0 to Z=30.2).
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 Ø72.9 mm and length at least 130.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.9 mm over length 31.3 mm (from Z=0.0 to Z=31.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.9 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 Ø53.9 mm over length 18.9 mm (from Z=0.0 to Z=93.9).
9. Finish turn diameter Ø47.1 mm over length 27.5 mm (from Z=0.0 to Z=75.0).
10. Finish turn diameter Ø30.0 mm over length 47.5 mm (from Z=0.0 to Z=47.5).
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 Ø32.0 mm and length at least 188.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 108.6 mm (from Z=0.0 to Z=108.6).
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. 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 Ø22.5 mm over length 75.2 mm (from Z=0.0 to Z=75.2).
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 Ø47.6 mm and length at least 263.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.6 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 Ø45.6 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 Ø40.7 mm over length 42.9 mm (from Z=0.0 to Z=191.5).
10. Finish turn diameter Ø30.0 mm over length 148.6 mm (from Z=0.0 to Z=148.6).
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 Ø61.2 mm and length at least 201.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.2 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 Ø59.2 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 Ø40.7 mm over length 93.7 mm (from Z=0.0 to Z=129.2).
10. Finish turn diameter Ø31.1 mm over length 35.5 mm (from Z=0.0 to Z=35.5).
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 C45) with diameter at least Ø47.7 mm and length at least 205.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.7 mm over length 53.4 mm (from Z=0.0 to Z=53.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.7 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 Ø40.0 mm over length 6.7 mm (from Z=0.0 to Z=147.2).
10. Finish turn diameter Ø30.0 mm over length 140.5 mm (from Z=0.0 to Z=140.5).
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 Ø44.2 mm and length at least 302.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.2 mm over length 42.7 mm (from Z=0.0 to Z=42.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.2 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 Ø32.1 mm over length 46.7 mm (from Z=0.0 to Z=255.0).
10. Finish turn diameter Ø30.0 mm over length 208.3 mm (from Z=0.0 to Z=208.3).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø73.9 mm and length at least 131.9 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 48.6 mm (from Z=0.0 to Z=48.6).
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 Ø62.8 mm over length 34.1 mm (from Z=0.0 to Z=78.3).
9. Finish turn diameter Ø56.7 mm over length 44.2 mm (from Z=0.0 to Z=44.2).
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 stainless steel round bar (material 1.4301) with diameter at least Ø39.5 mm and length at least 143.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.5 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 Ø37.5 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 119.2 mm (from Z=0.0 to Z=119.2).
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 16MnCr5) with diameter at least Ø80.2 mm and length at least 144.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.2 mm over length 50.7 mm (from Z=0.0 to Z=50.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 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 Ø74.8 mm over length 19.9 mm (from Z=0.0 to Z=88.5).
9. Finish turn diameter Ø62.0 mm over length 68.6 mm (from Z=0.0 to Z=68.6).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.3 mm and length at least 223.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.3 mm over length 22.9 mm (from Z=0.0 to Z=22.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.3 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 Ø60.6 mm over length 53.3 mm (from Z=0.0 to Z=195.3).
10. Finish turn diameter Ø44.3 mm over length 114.9 mm (from Z=0.0 to Z=142.0).
11. Finish turn diameter Ø39.6 mm over length 27.1 mm (from Z=0.0 to Z=27.1).
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 Ø65.5 mm and length at least 99.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.5 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 Ø63.5 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 Ø55.1 mm over length 34.4 mm (from Z=0.0 to Z=70.4).
9. Finish turn diameter Ø48.2 mm over length 36.0 mm (from Z=0.0 to Z=36.0).
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 Ø54.3 mm and length at least 173.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.3 mm over length 66.4 mm (from Z=0.0 to Z=66.4).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø33.7 mm over length 24.3 mm (from Z=0.0 to Z=101.8).
9. Finish turn diameter Ø30.0 mm over length 77.5 mm (from Z=0.0 to Z=77.5).
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 Ø50.7 mm and length at least 103.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.7 mm over length 50.2 mm (from Z=0.0 to Z=50.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.7 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 Ø32.0 mm over length 29.5 mm (from Z=0.0 to Z=47.8).
9. Finish turn diameter Ø30.0 mm over length 18.3 mm (from Z=0.0 to Z=18.3).
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 Ø41.9 mm and length at least 165.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.9 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 Ø39.9 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 Ø31.6 mm over length 26.7 mm (from Z=0.0 to Z=123.8).
10. Finish turn diameter Ø30.0 mm over length 97.1 mm (from Z=0.0 to Z=97.1).
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 Ø69.2 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 Ø67.2 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 Ø67.2 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 Ø59.7 mm over length 10.3 mm (from Z=0.0 to Z=205.5).
10. Finish turn diameter Ø48.9 mm over length 20.8 mm (from Z=0.0 to Z=195.2).
11. Finish turn diameter Ø33.3 mm over length 105.6 mm (from Z=0.0 to Z=174.4).
12. Finish turn diameter Ø30.0 mm over length 68.8 mm (from Z=0.0 to Z=68.8).
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 Ø60.8 mm and length at least 285.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.8 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 Ø58.8 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 Ø47.0 mm over length 111.5 mm (from Z=0.0 to Z=223.2).
10. Finish turn diameter Ø41.7 mm over length 111.7 mm (from Z=0.0 to Z=111.7).
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 Ø65.2 mm and length at least 263.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.2 mm over length 59.4 mm (from Z=0.0 to Z=59.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 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 Ø57.1 mm over length 49.2 mm (from Z=0.0 to Z=199.5).
10. Finish turn diameter Ø39.8 mm over length 30.8 mm (from Z=0.0 to Z=150.3).
11. Finish turn diameter Ø35.5 mm over length 29.9 mm (from Z=0.0 to Z=119.5).
12. Finish turn diameter Ø30.0 mm over length 89.6 mm (from Z=0.0 to Z=89.6).
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 Ø72.9 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 Ø70.9 mm over length 46.8 mm (from Z=0.0 to Z=46.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.9 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 Ø58.8 mm over length 17.0 mm (from Z=0.0 to Z=137.8).
10. Finish turn diameter Ø44.3 mm over length 21.9 mm (from Z=0.0 to Z=120.8).
11. Finish turn diameter Ø30.0 mm over length 98.9 mm (from Z=0.0 to Z=98.9).
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 Ø67.0 mm and length at least 146.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.0 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 Ø65.0 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 Ø50.7 mm over length 44.4 mm (from Z=0.0 to Z=103.3).
9. Finish turn diameter Ø47.0 mm over length 58.9 mm (from Z=0.0 to Z=58.9).
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 Ø71.9 mm and length at least 256.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.9 mm over length 62.3 mm (from Z=0.0 to Z=62.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.9 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 Ø64.6 mm over length 22.8 mm (from Z=0.0 to Z=188.7).
10. Finish turn diameter Ø46.5 mm over length 57.3 mm (from Z=0.0 to Z=165.9).
11. Finish turn diameter Ø43.1 mm over length 55.5 mm (from Z=0.0 to Z=108.6).
12. Finish turn diameter Ø31.8 mm over length 53.1 mm (from Z=0.0 to Z=53.1).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.2 mm and length at least 110.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.2 mm over length 15.0 mm (from Z=0.0 to Z=15.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.2 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 Ø30.0 mm over length 90.8 mm (from Z=0.0 to Z=90.8).
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 Ø54.5 mm and length at least 239.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.5 mm over length 59.6 mm (from Z=0.0 to Z=59.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.5 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 Ø42.3 mm over length 40.9 mm (from Z=0.0 to Z=175.3).
10. Finish turn diameter Ø36.6 mm over length 54.8 mm (from Z=0.0 to Z=134.4).
11. Finish turn diameter Ø30.0 mm over length 79.6 mm (from Z=0.0 to Z=79.6).
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 Ø55.9 mm and length at least 108.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.9 mm over length 8.0 mm (from Z=0.0 to Z=8.0).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø43.6 mm over length 35.7 mm (from Z=0.0 to Z=95.1).
9. Finish turn diameter Ø30.0 mm over length 59.4 mm (from Z=0.0 to Z=59.4).
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 steel round bar (material 42CrMo4) with diameter at least Ø54.0 mm and length at least 213.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.0 mm over length 47.1 mm (from Z=0.0 to Z=47.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.0 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 Ø38.4 mm over length 37.0 mm (from Z=0.0 to Z=161.4).
10. Finish turn diameter Ø30.0 mm over length 124.4 mm (from Z=0.0 to Z=124.4).
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 C45) with diameter at least Ø76.5 mm and length at least 241.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.5 mm over length 19.1 mm (from Z=0.0 to Z=19.1).
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. 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 Ø64.8 mm over length 59.1 mm (from Z=0.0 to Z=217.6).
10. Finish turn diameter Ø45.5 mm over length 24.5 mm (from Z=0.0 to Z=158.5).
11. Finish turn diameter Ø30.0 mm over length 134.0 mm (from Z=0.0 to Z=134.0).
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 Ø76.4 mm and length at least 318.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.4 mm over length 66.0 mm (from Z=0.0 to Z=66.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.4 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 Ø56.8 mm over length 56.8 mm (from Z=0.0 to Z=247.1).
10. Finish turn diameter Ø52.5 mm over length 190.3 mm (from Z=0.0 to Z=190.3).
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 C45) with diameter at least Ø82.0 mm and length at least 206.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø80.0 mm over length 55.2 mm (from Z=0.0 to Z=55.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø80.0 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 Ø61.2 mm over length 73.8 mm (from Z=0.0 to Z=146.5).
10. Finish turn diameter Ø42.4 mm over length 72.7 mm (from Z=0.0 to Z=72.7).
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 stainless steel round bar (material 1.4301) with diameter at least Ø42.5 mm and length at least 313.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.5 mm over length 20.3 mm (from Z=0.0 to Z=20.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.5 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 Ø33.5 mm over length 79.4 mm (from Z=0.0 to Z=287.7).
10. Finish turn diameter Ø30.0 mm over length 208.3 mm (from Z=0.0 to Z=208.3).
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 Ø79.8 mm and length at least 233.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.8 mm over length 50.5 mm (from Z=0.0 to Z=50.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.8 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 Ø60.6 mm over length 47.5 mm (from Z=0.0 to Z=178.3).
10. Finish turn diameter Ø51.7 mm over length 42.6 mm (from Z=0.0 to Z=130.8).
11. Finish turn diameter Ø42.3 mm over length 47.4 mm (from Z=0.0 to Z=88.2).
12. Finish turn diameter Ø34.6 mm over length 40.8 mm (from Z=0.0 to Z=40.8).
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 Ø39.9 mm and length at least 252.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.9 mm over length 79.6 mm (from Z=0.0 to Z=79.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.9 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 168.1 mm (from Z=0.0 to Z=168.1).
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 C45) with diameter at least Ø64.7 mm and length at least 201.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.7 mm over length 75.6 mm (from Z=0.0 to Z=75.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.7 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 Ø45.4 mm over length 31.4 mm (from Z=0.0 to Z=120.6).
10. Finish turn diameter Ø32.6 mm over length 30.0 mm (from Z=0.0 to Z=89.2).
11. Finish turn diameter Ø30.0 mm over length 59.2 mm (from Z=0.0 to Z=59.2).
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 stainless steel round bar (material 1.4301) with diameter at least Ø59.6 mm and length at least 72.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.6 mm over length 18.1 mm (from Z=0.0 to Z=18.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.6 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 Ø49.5 mm over length 19.1 mm (from Z=0.0 to Z=49.2).
9. Finish turn diameter Ø32.8 mm over length 12.0 mm (from Z=0.0 to Z=30.1).
10. Finish turn diameter Ø30.0 mm over length 18.1 mm (from Z=0.0 to Z=18.1).
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 Ø77.7 mm and length at least 284.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.7 mm over length 143.2 mm (from Z=0.0 to Z=143.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.7 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 Ø70.0 mm over length 96.9 mm (from Z=0.0 to Z=136.2).
10. Finish turn diameter Ø55.1 mm over length 39.3 mm (from Z=0.0 to Z=39.3).
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 Ø51.0 mm and length at least 283.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.0 mm over length 14.0 mm (from Z=0.0 to Z=14.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.0 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 Ø32.6 mm over length 110.2 mm (from Z=0.0 to Z=264.3).
10. Finish turn diameter Ø30.0 mm over length 154.1 mm (from Z=0.0 to Z=154.1).
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 Ø59.0 mm and length at least 274.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.0 mm over length 78.3 mm (from Z=0.0 to Z=78.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.0 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 Ø45.1 mm over length 49.0 mm (from Z=0.0 to Z=191.4).
10. Finish turn diameter Ø40.2 mm over length 10.4 mm (from Z=0.0 to Z=142.4).
11. Finish turn diameter Ø32.0 mm over length 41.0 mm (from Z=0.0 to Z=132.0).
12. Finish turn diameter Ø30.0 mm over length 91.0 mm (from Z=0.0 to Z=91.0).
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 Ø32.0 mm and length at least 202.6 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 104.6 mm (from Z=0.0 to Z=104.6).
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. 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 Ø23.4 mm over length 93.0 mm (from Z=0.0 to Z=93.0).
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 stainless steel round bar (material 1.4301) with diameter at least Ø72.3 mm and length at least 216.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.3 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 Ø70.3 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 Ø57.8 mm over length 47.5 mm (from Z=0.0 to Z=192.7).
10. Finish turn diameter Ø50.6 mm over length 56.8 mm (from Z=0.0 to Z=145.2).
11. Finish turn diameter Ø34.7 mm over length 14.0 mm (from Z=0.0 to Z=88.4).
12. Finish turn diameter Ø30.0 mm over length 74.4 mm (from Z=0.0 to Z=74.4).
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 steel round bar (material 16MnCr5) with diameter at least Ø71.9 mm and length at least 76.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.9 mm over length 14.2 mm (from Z=0.0 to Z=14.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.9 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 Ø64.2 mm over length 16.2 mm (from Z=0.0 to Z=57.1).
9. Finish turn diameter Ø54.3 mm over length 19.3 mm (from Z=0.0 to Z=40.9).
10. Finish turn diameter Ø48.2 mm over length 21.6 mm (from Z=0.0 to Z=21.6).
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 C45) with diameter at least Ø77.3 mm and length at least 293.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.3 mm over length 144.8 mm (from Z=0.0 to Z=144.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.3 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 Ø61.6 mm over length 101.4 mm (from Z=0.0 to Z=144.1).
10. Finish turn diameter Ø56.8 mm over length 42.7 mm (from Z=0.0 to Z=42.7).
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 Ø39.6 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 Ø37.6 mm over length 27.3 mm (from Z=0.0 to Z=27.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.6 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 Ø30.0 mm over length 59.6 mm (from Z=0.0 to Z=59.6).
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 Ø32.0 mm and length at least 319.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 245.6 mm (from Z=0.0 to Z=245.6).
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. 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 69.2 mm (from Z=0.0 to Z=69.2).
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 16MnCr5) with diameter at least Ø72.4 mm and length at least 319.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.4 mm over length 53.5 mm (from Z=0.0 to Z=53.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 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 Ø58.2 mm over length 12.1 mm (from Z=0.0 to Z=260.6).
10. Finish turn diameter Ø38.3 mm over length 99.1 mm (from Z=0.0 to Z=248.5).
11. Finish turn diameter Ø30.0 mm over length 149.4 mm (from Z=0.0 to Z=149.4).
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 94.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.5 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 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 Ø60.4 mm over length 29.1 mm (from Z=0.0 to Z=69.4).
9. Finish turn diameter Ø56.5 mm over length 19.8 mm (from Z=0.0 to Z=40.3).
10. Finish turn diameter Ø45.3 mm over length 20.5 mm (from Z=0.0 to Z=20.5).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø78.0 mm and length at least 222.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.0 mm over length 64.2 mm (from Z=0.0 to Z=64.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.0 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 Ø68.4 mm over length 81.5 mm (from Z=0.0 to Z=153.3).
10. Finish turn diameter Ø59.7 mm over length 34.1 mm (from Z=0.0 to Z=71.8).
11. Finish turn diameter Ø46.2 mm over length 37.7 mm (from Z=0.0 to Z=37.7).
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 Ø58.7 mm and length at least 255.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.7 mm over length 30.3 mm (from Z=0.0 to Z=30.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.7 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 Ø38.8 mm over length 75.8 mm (from Z=0.0 to Z=219.7).
10. Finish turn diameter Ø30.0 mm over length 143.9 mm (from Z=0.0 to Z=143.9).
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 16MnCr5) with diameter at least Ø65.2 mm and length at least 140.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.2 mm over length 64.3 mm (from Z=0.0 to Z=64.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 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 Ø58.9 mm over length 58.0 mm (from Z=0.0 to Z=71.4).
9. Finish turn diameter Ø49.8 mm over length 13.4 mm (from Z=0.0 to Z=13.4).
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 stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 307.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 169.9 mm (from Z=0.0 to Z=169.9).
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 Ø29.1 mm over length 132.1 mm (from Z=0.0 to Z=132.1).
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 Ø54.2 mm and length at least 130.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.2 mm over length 71.4 mm (from Z=0.0 to Z=71.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.2 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 Ø41.8 mm over length 9.6 mm (from Z=0.0 to Z=53.9).
9. Finish turn diameter Ø30.0 mm over length 44.3 mm (from Z=0.0 to Z=44.3).
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 Ø57.5 mm and length at least 230.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.5 mm over length 72.0 mm (from Z=0.0 to Z=72.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.5 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 Ø52.0 mm over length 40.7 mm (from Z=0.0 to Z=153.7).
10. Finish turn diameter Ø47.3 mm over length 66.2 mm (from Z=0.0 to Z=113.0).
11. Finish turn diameter Ø30.0 mm over length 46.8 mm (from Z=0.0 to Z=46.8).
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 C45) with diameter at least Ø66.6 mm and length at least 254.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.6 mm over length 33.8 mm (from Z=0.0 to Z=33.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.6 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 Ø46.9 mm over length 19.4 mm (from Z=0.0 to Z=215.6).
10. Finish turn diameter Ø43.1 mm over length 49.3 mm (from Z=0.0 to Z=196.2).
11. Finish turn diameter Ø30.8 mm over length 38.2 mm (from Z=0.0 to Z=146.9).
12. Finish turn diameter Ø30.0 mm over length 108.7 mm (from Z=0.0 to Z=108.7).
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 stainless steel round bar (material 1.4301) with diameter at least Ø66.7 mm and length at least 314.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.7 mm over length 74.7 mm (from Z=0.0 to Z=74.7).
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. 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 Ø54.8 mm over length 57.1 mm (from Z=0.0 to Z=234.6).
10. Finish turn diameter Ø38.8 mm over length 55.7 mm (from Z=0.0 to Z=177.5).
11. Finish turn diameter Ø30.0 mm over length 121.8 mm (from Z=0.0 to Z=121.8).
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 C45) with diameter at least Ø52.7 mm and length at least 67.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.7 mm over length 16.0 mm (from Z=0.0 to Z=16.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.7 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 Ø33.6 mm over length 13.1 mm (from Z=0.0 to Z=46.5).
9. Finish turn diameter Ø30.0 mm over length 33.4 mm (from Z=0.0 to Z=33.4).
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 steel round bar (material C45) with diameter at least Ø76.0 mm and length at least 196.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.0 mm over length 19.1 mm (from Z=0.0 to Z=19.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.0 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 Ø65.5 mm over length 47.2 mm (from Z=0.0 to Z=172.3).
10. Finish turn diameter Ø50.6 mm over length 57.4 mm (from Z=0.0 to Z=125.1).
11. Finish turn diameter Ø33.5 mm over length 67.7 mm (from Z=0.0 to Z=67.7).
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 Ø38.7 mm and length at least 299.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.7 mm over length 96.8 mm (from Z=0.0 to Z=96.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.7 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 198.0 mm (from Z=0.0 to Z=198.0).
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 42CrMo4) with diameter at least Ø65.6 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 Ø63.6 mm over length 82.8 mm (from Z=0.0 to Z=82.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.6 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 Ø57.5 mm over length 15.7 mm (from Z=0.0 to Z=80.0).
9. Finish turn diameter Ø51.9 mm over length 64.3 mm (from Z=0.0 to Z=64.3).
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 Ø50.8 mm and length at least 154.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.8 mm over length 41.6 mm (from Z=0.0 to Z=41.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.8 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 Ø30.5 mm over length 40.2 mm (from Z=0.0 to Z=107.7).
9. Finish turn diameter Ø30.0 mm over length 67.5 mm (from Z=0.0 to Z=67.5).
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 steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 100.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 55.0 mm (from Z=0.0 to Z=55.0).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø21.1 mm over length 40.7 mm (from Z=0.0 to Z=40.7).
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 16MnCr5) with diameter at least Ø46.1 mm and length at least 219.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.1 mm over length 68.9 mm (from Z=0.0 to Z=68.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.1 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 Ø38.6 mm over length 81.2 mm (from Z=0.0 to Z=145.3).
10. Finish turn diameter Ø30.0 mm over length 64.1 mm (from Z=0.0 to Z=64.1).
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 Ø66.8 mm and length at least 311.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.8 mm over length 37.9 mm (from Z=0.0 to Z=37.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.8 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 Ø47.7 mm over length 36.1 mm (from Z=0.0 to Z=269.0).
10. Finish turn diameter Ø30.0 mm over length 232.9 mm (from Z=0.0 to Z=232.9).
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 42CrMo4) with diameter at least Ø43.8 mm and length at least 199.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.8 mm over length 28.6 mm (from Z=0.0 to Z=28.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.8 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 Ø35.6 mm over length 56.1 mm (from Z=0.0 to Z=165.6).
10. Finish turn diameter Ø30.1 mm over length 63.1 mm (from Z=0.0 to Z=109.5).
11. Finish turn diameter Ø30.0 mm over length 46.4 mm (from Z=0.0 to Z=46.4).
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 Ø71.0 mm and length at least 77.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.0 mm over length 12.0 mm (from Z=0.0 to Z=12.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.0 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 Ø62.8 mm over length 20.5 mm (from Z=0.0 to Z=60.0).
9. Finish turn diameter Ø57.9 mm over length 16.4 mm (from Z=0.0 to Z=39.5).
10. Finish turn diameter Ø54.4 mm over length 5.8 mm (from Z=0.0 to Z=23.1).
11. Finish turn diameter Ø47.9 mm over length 12.3 mm (from Z=0.0 to Z=17.3).
12. Finish turn diameter Ø40.0 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
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 stainless steel round bar (material 1.4301) with diameter at least Ø42.8 mm and length at least 238.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.8 mm over length 60.6 mm (from Z=0.0 to Z=60.6).
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. 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 Ø30.2 mm over length 56.1 mm (from Z=0.0 to Z=173.2).
10. Finish turn diameter Ø30.0 mm over length 117.1 mm (from Z=0.0 to Z=117.1).
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 16MnCr5) with diameter at least Ø82.0 mm and length at least 318.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø80.0 mm over length 59.8 mm (from Z=0.0 to Z=59.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø80.0 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 Ø69.2 mm over length 29.8 mm (from Z=0.0 to Z=253.4).
10. Finish turn diameter Ø59.8 mm over length 120.7 mm (from Z=0.0 to Z=223.6).
11. Finish turn diameter Ø46.3 mm over length 72.0 mm (from Z=0.0 to Z=102.9).
12. Finish turn diameter Ø42.6 mm over length 30.9 mm (from Z=0.0 to Z=30.9).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø53.0 mm and length at least 297.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.0 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 Ø51.0 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 Ø41.4 mm over length 25.6 mm (from Z=0.0 to Z=253.0).
10. Finish turn diameter Ø30.0 mm over length 227.4 mm (from Z=0.0 to Z=227.4).
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 Ø77.6 mm and length at least 205.8 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 71.8 mm (from Z=0.0 to Z=71.8).
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. 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 Ø70.5 mm over length 109.4 mm (from Z=0.0 to Z=129.0).
10. Finish turn diameter Ø54.0 mm over length 19.6 mm (from Z=0.0 to Z=19.6).
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 C45) with diameter at least Ø33.5 mm and length at least 162.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.5 mm over length 31.3 mm (from Z=0.0 to Z=31.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.5 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 126.5 mm (from Z=0.0 to Z=126.5).
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 Ø72.2 mm and length at least 157.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.2 mm over length 28.8 mm (from Z=0.0 to Z=28.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.2 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 Ø51.6 mm over length 28.4 mm (from Z=0.0 to Z=123.6).
9. Finish turn diameter Ø44.3 mm over length 16.8 mm (from Z=0.0 to Z=95.2).
10. Finish turn diameter Ø37.9 mm over length 27.1 mm (from Z=0.0 to Z=78.4).
11. Finish turn diameter Ø30.0 mm over length 51.3 mm (from Z=0.0 to Z=51.3).
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 16MnCr5) with diameter at least Ø73.9 mm and length at least 119.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.9 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 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 Ø54.8 mm over length 26.2 mm (from Z=0.0 to Z=100.9).
9. Finish turn diameter Ø44.1 mm over length 22.8 mm (from Z=0.0 to Z=74.7).
10. Finish turn diameter Ø36.5 mm over length 20.5 mm (from Z=0.0 to Z=51.9).
11. Finish turn diameter Ø30.0 mm over length 31.4 mm (from Z=0.0 to Z=31.4).
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 16MnCr5) with diameter at least Ø32.2 mm and length at least 123.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.2 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 Ø30.2 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 Ø30.0 mm over length 105.4 mm (from Z=0.0 to Z=105.4).
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 Ø79.6 mm and length at least 153.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.6 mm over length 28.0 mm (from Z=0.0 to Z=28.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.6 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 Ø61.6 mm over length 44.6 mm (from Z=0.0 to Z=120.9).
9. Finish turn diameter Ø43.5 mm over length 42.0 mm (from Z=0.0 to Z=76.3).
10. Finish turn diameter Ø37.1 mm over length 27.7 mm (from Z=0.0 to Z=34.3).
11. Finish turn diameter Ø30.0 mm over length 6.6 mm (from Z=0.0 to Z=6.6).
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 Ø67.2 mm and length at least 312.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.2 mm over length 103.0 mm (from Z=0.0 to Z=103.0).
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 Ø61.3 mm over length 98.4 mm (from Z=0.0 to Z=204.5).
10. Finish turn diameter Ø54.7 mm over length 63.0 mm (from Z=0.0 to Z=106.1).
11. Finish turn diameter Ø43.5 mm over length 43.1 mm (from Z=0.0 to Z=43.1).
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 Ø49.5 mm and length at least 222.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.5 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 Ø47.5 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 22.1 mm (from Z=0.0 to Z=161.2).
10. Finish turn diameter Ø30.0 mm over length 139.1 mm (from Z=0.0 to Z=139.1).
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 C45) with diameter at least Ø74.8 mm and length at least 152.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.8 mm over length 51.6 mm (from Z=0.0 to Z=51.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.8 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 Ø55.1 mm over length 22.9 mm (from Z=0.0 to Z=96.3).
9. Finish turn diameter Ø36.3 mm over length 49.8 mm (from Z=0.0 to Z=73.4).
10. Finish turn diameter Ø30.0 mm over length 23.6 mm (from Z=0.0 to Z=23.6).
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 stainless steel round bar (material 1.4301) with diameter at least Ø81.7 mm and length at least 252.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.7 mm over length 13.0 mm (from Z=0.0 to Z=13.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.7 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 Ø62.1 mm over length 91.9 mm (from Z=0.0 to Z=234.6).
10. Finish turn diameter Ø52.1 mm over length 69.8 mm (from Z=0.0 to Z=142.7).
11. Finish turn diameter Ø36.6 mm over length 72.9 mm (from Z=0.0 to Z=72.9).
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 Ø32.0 mm and length at least 176.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 98.2 mm (from Z=0.0 to Z=98.2).
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 Ø25.8 mm over length 72.8 mm (from Z=0.0 to Z=72.8).
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 16MnCr5) with diameter at least Ø60.7 mm and length at least 173.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.7 mm over length 47.7 mm (from Z=0.0 to Z=47.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.7 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 Ø39.6 mm over length 33.8 mm (from Z=0.0 to Z=121.2).
9. Finish turn diameter Ø30.0 mm over length 87.4 mm (from Z=0.0 to Z=87.4).
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 steel round bar (material 42CrMo4) with diameter at least Ø64.0 mm and length at least 322.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.0 mm over length 36.7 mm (from Z=0.0 to Z=36.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.0 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 Ø52.9 mm over length 26.1 mm (from Z=0.0 to Z=281.0).
10. Finish turn diameter Ø44.6 mm over length 25.9 mm (from Z=0.0 to Z=254.9).
11. Finish turn diameter Ø32.8 mm over length 107.9 mm (from Z=0.0 to Z=229.0).
12. Finish turn diameter Ø30.0 mm over length 121.1 mm (from Z=0.0 to Z=121.1).
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 16MnCr5) with diameter at least Ø72.3 mm and length at least 128.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.3 mm over length 38.0 mm (from Z=0.0 to Z=38.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.3 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 Ø55.1 mm over length 26.8 mm (from Z=0.0 to Z=85.4).
9. Finish turn diameter Ø45.9 mm over length 27.5 mm (from Z=0.0 to Z=58.6).
10. Finish turn diameter Ø30.0 mm over length 31.1 mm (from Z=0.0 to Z=31.1).
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 Ø61.5 mm and length at least 299.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.5 mm over length 73.4 mm (from Z=0.0 to Z=73.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.5 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 Ø49.0 mm over length 42.8 mm (from Z=0.0 to Z=220.7).
10. Finish turn diameter Ø31.6 mm over length 75.0 mm (from Z=0.0 to Z=177.9).
11. Finish turn diameter Ø30.0 mm over length 102.9 mm (from Z=0.0 to Z=102.9).
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 16MnCr5) with diameter at least Ø58.2 mm and length at least 155.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.2 mm over length 21.3 mm (from Z=0.0 to Z=21.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.2 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 Ø37.6 mm over length 43.1 mm (from Z=0.0 to Z=129.5).
9. Finish turn diameter Ø33.8 mm over length 42.3 mm (from Z=0.0 to Z=86.4).
10. Finish turn diameter Ø30.0 mm over length 44.1 mm (from Z=0.0 to Z=44.1).
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 42CrMo4) with diameter at least Ø32.0 mm and length at least 112.5 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 96.0 mm (from Z=0.0 to Z=96.0).
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 Ø22.7 mm over length 11.5 mm (from Z=0.0 to Z=11.5).
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 Ø66.4 mm and length at least 107.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.4 mm over length 50.7 mm (from Z=0.0 to Z=50.7).
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 Ø60.9 mm over length 5.0 mm (from Z=0.0 to Z=52.2).
9. Finish turn diameter Ø41.6 mm over length 47.2 mm (from Z=0.0 to Z=47.2).
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 Ø54.0 mm and length at least 309.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.0 mm over length 88.8 mm (from Z=0.0 to Z=88.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.0 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 Ø47.1 mm over length 50.5 mm (from Z=0.0 to Z=215.5).
10. Finish turn diameter Ø42.0 mm over length 87.8 mm (from Z=0.0 to Z=165.0).
11. Finish turn diameter Ø32.1 mm over length 77.2 mm (from Z=0.0 to Z=77.2).
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 stainless steel round bar (material 1.4301) with diameter at least Ø65.5 mm and length at least 205.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.5 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 Ø63.5 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 Ø46.7 mm over length 61.5 mm (from Z=0.0 to Z=187.6).
10. Finish turn diameter Ø30.0 mm over length 126.1 mm (from Z=0.0 to Z=126.1).
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 Ø35.9 mm and length at least 91.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.9 mm over length 28.1 mm (from Z=0.0 to Z=28.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.9 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 57.9 mm (from Z=0.0 to Z=57.9).
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 16MnCr5) with diameter at least Ø46.4 mm and length at least 105.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.4 mm over length 20.0 mm (from Z=0.0 to Z=20.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.4 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 Ø40.1 mm over length 7.2 mm (from Z=0.0 to Z=80.8).
9. Finish turn diameter Ø30.0 mm over length 73.6 mm (from Z=0.0 to Z=73.6).
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 42CrMo4) with diameter at least Ø57.6 mm and length at least 91.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.6 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 Ø55.6 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 Ø52.1 mm over length 12.5 mm (from Z=0.0 to Z=57.7).
9. Finish turn diameter Ø47.8 mm over length 45.2 mm (from Z=0.0 to Z=45.2).
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 Ø39.9 mm and length at least 116.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.9 mm over length 22.5 mm (from Z=0.0 to Z=22.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.9 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 Ø30.6 mm over length 10.0 mm (from Z=0.0 to Z=88.8).
9. Finish turn diameter Ø30.0 mm over length 78.8 mm (from Z=0.0 to Z=78.8).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø49.5 mm and length at least 261.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.5 mm over length 39.7 mm (from Z=0.0 to Z=39.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.5 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 Ø31.6 mm over length 15.5 mm (from Z=0.0 to Z=216.3).
10. Finish turn diameter Ø30.0 mm over length 200.8 mm (from Z=0.0 to Z=200.8).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø41.4 mm and length at least 215.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.4 mm over length 56.9 mm (from Z=0.0 to Z=56.9).
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 Ø30.0 mm over length 153.7 mm (from Z=0.0 to Z=153.7).
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 Ø60.7 mm and length at least 177.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.7 mm over length 32.2 mm (from Z=0.0 to Z=32.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.7 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 Ø53.0 mm over length 15.5 mm (from Z=0.0 to Z=140.4).
9. Finish turn diameter Ø42.4 mm over length 38.0 mm (from Z=0.0 to Z=124.9).
10. Finish turn diameter Ø32.9 mm over length 17.0 mm (from Z=0.0 to Z=86.9).
11. Finish turn diameter Ø30.0 mm over length 69.9 mm (from Z=0.0 to Z=69.9).
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 Ø72.4 mm and length at least 71.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.4 mm over length 11.6 mm (from Z=0.0 to Z=11.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 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 Ø67.1 mm over length 12.6 mm (from Z=0.0 to Z=54.5).
9. Finish turn diameter Ø57.5 mm over length 17.9 mm (from Z=0.0 to Z=41.9).
10. Finish turn diameter Ø52.7 mm over length 6.8 mm (from Z=0.0 to Z=24.0).
11. Finish turn diameter Ø37.4 mm over length 12.2 mm (from Z=0.0 to Z=17.2).
12. Finish turn diameter Ø30.0 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø68.5 mm and length at least 258.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.5 mm over length 29.6 mm (from Z=0.0 to Z=29.6).
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. 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 Ø54.5 mm over length 29.0 mm (from Z=0.0 to Z=223.6).
10. Finish turn diameter Ø45.9 mm over length 70.4 mm (from Z=0.0 to Z=194.6).
11. Finish turn diameter Ø37.9 mm over length 32.3 mm (from Z=0.0 to Z=124.2).
12. Finish turn diameter Ø30.0 mm over length 91.9 mm (from Z=0.0 to Z=91.9).
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 42CrMo4) with diameter at least Ø32.0 mm and length at least 194.6 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 125.8 mm (from Z=0.0 to Z=125.8).
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 Ø27.0 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>
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 Ø80.2 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 Ø78.2 mm over length 45.3 mm (from Z=0.0 to Z=45.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 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 Ø70.4 mm over length 70.0 mm (from Z=0.0 to Z=198.8).
10. Finish turn diameter Ø63.2 mm over length 39.7 mm (from Z=0.0 to Z=128.8).
11. Finish turn diameter Ø60.1 mm over length 9.0 mm (from Z=0.0 to Z=89.1).
12. Finish turn diameter Ø46.3 mm over length 80.1 mm (from Z=0.0 to Z=80.1).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.