[User] 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 Ø60.3 mm and length at least 292.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.3 mm over length 30.5 mm (from Z=0.0 to Z=30.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.3 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 Ø40.3 mm over length 56.5 mm (from Z=0.0 to Z=256.6).
10. Finish turn diameter Ø30.0 mm over length 200.1 mm (from Z=0.0 to Z=200.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø35.9 mm and length at least 90.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.9 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 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 71.9 mm (from Z=0.0 to Z=71.9).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø61.2 mm and length at least 272.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.2 mm over length 57.7 mm (from Z=0.0 to Z=57.7).
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 Ø42.2 mm over length 59.7 mm (from Z=0.0 to Z=209.9).
10. Finish turn diameter Ø30.0 mm over length 150.2 mm (from Z=0.0 to Z=150.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø72.3 mm and length at least 136.4 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 19.3 mm (from Z=0.0 to Z=19.3).
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 Ø60.8 mm over length 27.2 mm (from Z=0.0 to Z=112.1).
9. Finish turn diameter Ø43.0 mm over length 6.4 mm (from Z=0.0 to Z=84.9).
10. Finish turn diameter Ø30.0 mm over length 78.5 mm (from Z=0.0 to Z=78.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 252.0 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 206.7 mm (from Z=0.0 to Z=206.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø28.5 mm over length 40.3 mm (from Z=0.0 to Z=40.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 133.7 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 121.4 mm (from Z=0.0 to Z=121.4).
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 Ø22.0 mm over length 7.3 mm (from Z=0.0 to Z=7.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 247.7 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 193.2 mm (from Z=0.0 to Z=193.2).
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 Ø26.1 mm over length 49.5 mm (from Z=0.0 to Z=49.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 263.5 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 221.4 mm (from Z=0.0 to Z=221.4).
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 Ø26.3 mm over length 37.1 mm (from Z=0.0 to Z=37.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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] 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 Ø79.2 mm and length at least 283.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.2 mm over length 64.6 mm (from Z=0.0 to Z=64.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.2 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 Ø59.0 mm over length 44.5 mm (from Z=0.0 to Z=214.3).
10. Finish turn diameter Ø52.2 mm over length 15.6 mm (from Z=0.0 to Z=169.8).
11. Finish turn diameter Ø35.7 mm over length 49.8 mm (from Z=0.0 to Z=154.2).
12. Finish turn diameter Ø30.0 mm over length 104.4 mm (from Z=0.0 to Z=104.4).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø58.0 mm and length at least 271.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.0 mm over length 35.0 mm (from Z=0.0 to Z=35.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.0 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 Ø40.2 mm over length 21.7 mm (from Z=0.0 to Z=231.1).
10. Finish turn diameter Ø30.0 mm over length 209.4 mm (from Z=0.0 to Z=209.4).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.9 mm and length at least 193.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.9 mm over length 29.8 mm (from Z=0.0 to Z=29.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.9 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 Ø41.9 mm over length 49.0 mm (from Z=0.0 to Z=159.1).
9. Finish turn diameter Ø37.9 mm over length 36.6 mm (from Z=0.0 to Z=110.1).
10. Finish turn diameter Ø30.0 mm over length 73.5 mm (from Z=0.0 to Z=73.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø34.6 mm and length at least 123.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.6 mm over length 16.4 mm (from Z=0.0 to Z=16.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 101.9 mm (from Z=0.0 to Z=101.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø62.0 mm and length at least 256.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.0 mm over length 36.6 mm (from Z=0.0 to Z=36.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.0 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 Ø55.1 mm over length 115.6 mm (from Z=0.0 to Z=214.8).
10. Finish turn diameter Ø36.6 mm over length 99.2 mm (from Z=0.0 to Z=99.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø33.3 mm and length at least 247.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.3 mm over length 13.4 mm (from Z=0.0 to Z=13.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 229.2 mm (from Z=0.0 to Z=229.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø54.8 mm and length at least 235.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.8 mm over length 36.9 mm (from Z=0.0 to Z=36.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.8 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 Ø49.2 mm over length 49.0 mm (from Z=0.0 to Z=193.6).
10. Finish turn diameter Ø33.0 mm over length 38.9 mm (from Z=0.0 to Z=144.6).
11. Finish turn diameter Ø30.0 mm over length 105.7 mm (from Z=0.0 to Z=105.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.4 mm and length at least 287.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.4 mm over length 73.7 mm (from Z=0.0 to Z=73.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.4 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 209.0 mm (from Z=0.0 to Z=209.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø79.3 mm and length at least 209.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.3 mm over length 107.4 mm (from Z=0.0 to Z=107.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.3 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 Ø62.5 mm over length 67.2 mm (from Z=0.0 to Z=97.4).
10. Finish turn diameter Ø43.2 mm over length 30.2 mm (from Z=0.0 to Z=30.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 157.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter 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 Ø39.2 mm over length 88.9 mm (from Z=0.0 to Z=136.6).
9. Finish turn diameter Ø30.0 mm over length 47.7 mm (from Z=0.0 to Z=47.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø33.8 mm and length at least 228.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.8 mm over length 22.4 mm (from Z=0.0 to Z=22.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.8 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 Ø30.0 mm over length 200.9 mm (from Z=0.0 to Z=200.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø62.5 mm and length at least 236.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.5 mm over length 72.3 mm (from Z=0.0 to Z=72.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.5 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 Ø46.2 mm over length 101.0 mm (from Z=0.0 to Z=159.6).
10. Finish turn diameter Ø39.2 mm over length 58.6 mm (from Z=0.0 to Z=58.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 156.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 121.5 mm (from Z=0.0 to Z=121.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.8 mm over length 29.5 mm (from Z=0.0 to Z=29.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø81.9 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 Ø79.9 mm over length 73.6 mm (from Z=0.0 to Z=73.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.
6. Face the end and set Z=0.
7. 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 Ø68.7 mm over length 121.1 mm (from Z=0.0 to Z=241.2).
10. Finish turn diameter Ø63.1 mm over length 63.0 mm (from Z=0.0 to Z=120.1).
11. Finish turn diameter Ø51.9 mm over length 28.7 mm (from Z=0.0 to Z=57.1).
12. Finish turn diameter Ø46.7 mm over length 28.4 mm (from Z=0.0 to Z=28.4).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø38.1 mm and length at least 79.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.1 mm over length 18.5 mm (from Z=0.0 to Z=18.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 55.6 mm (from Z=0.0 to Z=55.6).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.6 mm and length at least 98.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.6 mm over length 10.2 mm (from Z=0.0 to Z=10.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.6 mm.
6. Face the end and set Z=0.
7. 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 82.9 mm (from Z=0.0 to Z=82.9).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø71.7 mm and length at least 112.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.7 mm over length 45.2 mm (from Z=0.0 to Z=45.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.7 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 Ø65.2 mm over length 40.6 mm (from Z=0.0 to Z=61.9).
9. Finish turn diameter Ø54.2 mm over length 21.3 mm (from Z=0.0 to Z=21.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø37.7 mm and length at least 257.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.7 mm over length 58.2 mm (from Z=0.0 to Z=58.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.7 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 194.1 mm (from Z=0.0 to Z=194.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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] 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] 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 Ø67.1 mm and length at least 67.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.1 mm over length 7.3 mm (from Z=0.0 to Z=7.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø56.1 mm over length 5.0 mm (from Z=0.0 to Z=55.0).
9. Finish turn diameter Ø43.6 mm over length 11.9 mm (from Z=0.0 to Z=50.0).
10. Finish turn diameter Ø30.0 mm over length 38.1 mm (from Z=0.0 to Z=38.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 69.8 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 58.8 mm (from Z=0.0 to Z=58.8).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø21.9 mm over length 6.0 mm (from Z=0.0 to Z=6.0).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø80.0 mm and length at least 227.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.0 mm over length 55.5 mm (from Z=0.0 to Z=55.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.0 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 Ø65.1 mm over length 29.0 mm (from Z=0.0 to Z=166.5).
10. Finish turn diameter Ø56.2 mm over length 34.8 mm (from Z=0.0 to Z=137.5).
11. Finish turn diameter Ø42.9 mm over length 40.2 mm (from Z=0.0 to Z=102.7).
12. Finish turn diameter Ø31.0 mm over length 62.5 mm (from Z=0.0 to Z=62.5).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø48.1 mm and length at least 226.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.1 mm over length 14.9 mm (from Z=0.0 to Z=14.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.1 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 Ø31.2 mm over length 77.2 mm (from Z=0.0 to Z=206.5).
10. Finish turn diameter Ø30.0 mm over length 129.3 mm (from Z=0.0 to Z=129.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø53.5 mm and length at least 214.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.5 mm over length 38.7 mm (from Z=0.0 to Z=38.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.5 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 Ø41.2 mm over length 43.0 mm (from Z=0.0 to Z=170.6).
10. Finish turn diameter Ø30.0 mm over length 127.6 mm (from Z=0.0 to Z=127.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 211.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.4 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 Ø44.4 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 Ø31.4 mm over length 53.6 mm (from Z=0.0 to Z=156.7).
10. Finish turn diameter Ø30.0 mm over length 103.1 mm (from Z=0.0 to Z=103.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 93.6 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 71.8 mm (from Z=0.0 to Z=71.8).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø28.4 mm over length 16.8 mm (from Z=0.0 to Z=16.8).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø76.0 mm and length at least 270.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.0 mm over length 58.1 mm (from Z=0.0 to Z=58.1).
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 Ø59.5 mm over length 28.9 mm (from Z=0.0 to Z=207.2).
10. Finish turn diameter Ø56.3 mm over length 48.6 mm (from Z=0.0 to Z=178.3).
11. Finish turn diameter Ø38.3 mm over length 40.6 mm (from Z=0.0 to Z=129.7).
12. Finish turn diameter Ø30.0 mm over length 89.1 mm (from Z=0.0 to Z=89.1).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø76.6 mm and length at least 296.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.6 mm over length 76.9 mm (from Z=0.0 to Z=76.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.6 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 Ø57.8 mm over length 96.6 mm (from Z=0.0 to Z=214.8).
10. Finish turn diameter Ø48.9 mm over length 39.2 mm (from Z=0.0 to Z=118.2).
11. Finish turn diameter Ø39.4 mm over length 79.0 mm (from Z=0.0 to Z=79.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø58.0 mm and length at least 308.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.0 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 Ø56.0 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 Ø43.8 mm over length 69.1 mm (from Z=0.0 to Z=292.3).
10. Finish turn diameter Ø38.3 mm over length 64.1 mm (from Z=0.0 to Z=223.2).
11. Finish turn diameter Ø30.2 mm over length 93.3 mm (from Z=0.0 to Z=159.1).
12. Finish turn diameter Ø30.0 mm over length 65.8 mm (from Z=0.0 to Z=65.8).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø60.2 mm and length at least 210.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.2 mm over length 35.1 mm (from Z=0.0 to Z=35.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.2 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 27.9 mm (from Z=0.0 to Z=169.9).
10. Finish turn diameter Ø31.4 mm over length 76.9 mm (from Z=0.0 to Z=142.0).
11. Finish turn diameter Ø30.0 mm over length 65.1 mm (from Z=0.0 to Z=65.1).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø74.0 mm and length at least 106.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.0 mm over length 26.1 mm (from Z=0.0 to Z=26.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.0 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 Ø64.7 mm over length 23.6 mm (from Z=0.0 to Z=75.4).
9. Finish turn diameter Ø55.9 mm over length 5.0 mm (from Z=0.0 to Z=51.8).
10. Finish turn diameter Ø39.3 mm over length 22.8 mm (from Z=0.0 to Z=46.8).
11. Finish turn diameter Ø30.0 mm over length 24.0 mm (from Z=0.0 to Z=24.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø47.0 mm and length at least 169.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.0 mm over length 46.9 mm (from Z=0.0 to Z=46.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.1 mm over length 22.8 mm (from Z=0.0 to Z=117.4).
10. Finish turn diameter Ø30.0 mm over length 94.6 mm (from Z=0.0 to Z=94.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø79.1 mm and length at least 202.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.1 mm over length 48.5 mm (from Z=0.0 to Z=48.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.1 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 Ø64.8 mm over length 71.6 mm (from Z=0.0 to Z=149.4).
10. Finish turn diameter Ø47.4 mm over length 14.4 mm (from Z=0.0 to Z=77.8).
11. Finish turn diameter Ø30.0 mm over length 63.4 mm (from Z=0.0 to Z=63.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø38.6 mm and length at least 261.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.6 mm over length 35.6 mm (from Z=0.0 to Z=35.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 220.5 mm (from Z=0.0 to Z=220.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø49.3 mm and length at least 184.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.3 mm over length 64.0 mm (from Z=0.0 to Z=64.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.3 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 Ø40.3 mm over length 66.6 mm (from Z=0.0 to Z=115.4).
9. Finish turn diameter Ø33.2 mm over length 48.8 mm (from Z=0.0 to Z=48.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø40.6 mm and length at least 111.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.6 mm over length 46.7 mm (from Z=0.0 to Z=46.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.6 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 59.9 mm (from Z=0.0 to Z=59.9).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 287.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 171.9 mm (from Z=0.0 to Z=171.9).
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 Ø27.8 mm over length 110.3 mm (from Z=0.0 to Z=110.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø37.0 mm and length at least 273.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.0 mm over length 53.8 mm (from Z=0.0 to Z=53.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.0 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 Ø31.5 mm over length 25.8 mm (from Z=0.0 to Z=214.7).
10. Finish turn diameter Ø30.0 mm over length 188.9 mm (from Z=0.0 to Z=188.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø50.3 mm and length at least 221.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.3 mm over length 45.7 mm (from Z=0.0 to Z=45.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 170.6 mm (from Z=0.0 to Z=170.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø47.7 mm and length at least 293.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.7 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 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 Ø38.9 mm over length 38.1 mm (from Z=0.0 to Z=233.2).
10. Finish turn diameter Ø33.0 mm over length 22.4 mm (from Z=0.0 to Z=195.1).
11. Finish turn diameter Ø30.0 mm over length 172.7 mm (from Z=0.0 to Z=172.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø66.7 mm and length at least 314.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.7 mm over length 69.9 mm (from Z=0.0 to Z=69.9).
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 Ø58.5 mm over length 63.6 mm (from Z=0.0 to Z=239.7).
10. Finish turn diameter Ø50.9 mm over length 14.2 mm (from Z=0.0 to Z=176.1).
11. Finish turn diameter Ø38.8 mm over length 67.5 mm (from Z=0.0 to Z=161.9).
12. Finish turn diameter Ø33.9 mm over length 28.1 mm (from Z=0.0 to Z=94.4).
13. Finish turn diameter Ø30.0 mm over length 66.3 mm (from Z=0.0 to Z=66.3).
14. Break all edges (e.g., 2×45° where applicable).
15. Remove the workpiece from the lathe.


[User] 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 Ø38.6 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 Ø36.6 mm over length 68.3 mm (from Z=0.0 to Z=68.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 143.3 mm (from Z=0.0 to Z=143.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø58.3 mm and length at least 231.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.3 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 Ø56.3 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 Ø42.4 mm over length 62.8 mm (from Z=0.0 to Z=198.2).
10. Finish turn diameter Ø35.4 mm over length 105.9 mm (from Z=0.0 to Z=135.4).
11. Finish turn diameter Ø30.0 mm over length 29.5 mm (from Z=0.0 to Z=29.5).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø35.0 mm and length at least 251.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.0 mm over length 27.9 mm (from Z=0.0 to Z=27.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 218.4 mm (from Z=0.0 to Z=218.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 108.7 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 82.2 mm (from Z=0.0 to Z=82.2).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø29.8 mm over length 21.5 mm (from Z=0.0 to Z=21.5).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø69.4 mm and length at least 228.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.4 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 Ø67.4 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 Ø56.6 mm over length 37.9 mm (from Z=0.0 to Z=187.1).
10. Finish turn diameter Ø36.8 mm over length 58.8 mm (from Z=0.0 to Z=149.2).
11. Finish turn diameter Ø30.0 mm over length 90.4 mm (from Z=0.0 to Z=90.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø61.1 mm and length at least 113.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.1 mm over length 55.5 mm (from Z=0.0 to Z=55.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø56.0 mm over length 19.8 mm (from Z=0.0 to Z=53.4).
9. Finish turn diameter Ø40.7 mm over length 33.6 mm (from Z=0.0 to Z=33.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 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 Ø30.0 mm over length 228.0 mm (from Z=0.0 to Z=228.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø25.8 mm over length 60.9 mm (from Z=0.0 to Z=60.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø44.4 mm and length at least 247.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.4 mm over length 33.1 mm (from Z=0.0 to Z=33.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 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 Ø36.0 mm over length 45.5 mm (from Z=0.0 to Z=209.7).
10. Finish turn diameter Ø30.0 mm over length 164.2 mm (from Z=0.0 to Z=164.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø52.8 mm and length at least 78.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.8 mm over length 12.8 mm (from Z=0.0 to Z=12.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.8 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 Ø33.2 mm over length 18.1 mm (from Z=0.0 to Z=60.2).
9. Finish turn diameter Ø30.0 mm over length 42.1 mm (from Z=0.0 to Z=42.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø68.7 mm and length at least 130.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.7 mm over length 17.6 mm (from Z=0.0 to Z=17.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.7 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 Ø50.8 mm over length 25.5 mm (from Z=0.0 to Z=107.8).
9. Finish turn diameter Ø32.3 mm over length 30.1 mm (from Z=0.0 to Z=82.3).
10. Finish turn diameter Ø30.0 mm over length 52.2 mm (from Z=0.0 to Z=52.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø51.2 mm and length at least 312.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.2 mm over length 108.4 mm (from Z=0.0 to Z=108.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø41.6 mm over length 75.6 mm (from Z=0.0 to Z=198.9).
10. Finish turn diameter Ø32.2 mm over length 91.7 mm (from Z=0.0 to Z=123.3).
11. Finish turn diameter Ø30.0 mm over length 31.6 mm (from Z=0.0 to Z=31.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø32.4 mm and length at least 125.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.4 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 Ø30.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 84.1 mm (from Z=0.0 to Z=84.1).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 115.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.4 mm over length 69.4 mm (from Z=0.0 to Z=69.4).
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. 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 41.1 mm (from Z=0.0 to Z=41.1).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 78.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 62.5 mm (from Z=0.0 to Z=62.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø22.3 mm over length 10.8 mm (from Z=0.0 to Z=10.8).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø52.5 mm and length at least 79.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.5 mm over length 17.3 mm (from Z=0.0 to Z=17.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.5 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 Ø37.0 mm over length 19.5 mm (from Z=0.0 to Z=56.9).
9. Finish turn diameter Ø30.0 mm over length 37.4 mm (from Z=0.0 to Z=37.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø44.9 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 Ø42.9 mm over length 33.9 mm (from Z=0.0 to Z=33.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.9 mm.
6. Face the end and set Z=0.
7. 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 149.9 mm (from Z=0.0 to Z=149.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø80.4 mm and length at least 153.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.4 mm over length 28.7 mm (from Z=0.0 to Z=28.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.4 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 Ø60.3 mm over length 14.2 mm (from Z=0.0 to Z=119.6).
9. Finish turn diameter Ø51.5 mm over length 6.5 mm (from Z=0.0 to Z=105.4).
10. Finish turn diameter Ø32.0 mm over length 24.8 mm (from Z=0.0 to Z=98.9).
11. Finish turn diameter Ø30.0 mm over length 74.1 mm (from Z=0.0 to Z=74.1).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø79.5 mm and length at least 219.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.5 mm over length 32.5 mm (from Z=0.0 to Z=32.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.5 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 Ø69.1 mm over length 57.4 mm (from Z=0.0 to Z=182.3).
10. Finish turn diameter Ø59.9 mm over length 21.8 mm (from Z=0.0 to Z=124.9).
11. Finish turn diameter Ø53.6 mm over length 59.6 mm (from Z=0.0 to Z=103.1).
12. Finish turn diameter Ø48.9 mm over length 6.8 mm (from Z=0.0 to Z=43.5).
13. Finish turn diameter Ø36.6 mm over length 36.7 mm (from Z=0.0 to Z=36.7).
14. Break all edges (e.g., 2×45° where applicable).
15. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 308.0 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 158.0 mm (from Z=0.0 to Z=158.0).
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 Ø23.7 mm over length 145.0 mm (from Z=0.0 to Z=145.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 141.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.7 mm over length 40.6 mm (from Z=0.0 to Z=40.6).
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 96.0 mm (from Z=0.0 to Z=96.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø78.3 mm and length at least 226.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.3 mm over length 71.3 mm (from Z=0.0 to Z=71.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.3 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 Ø62.1 mm over length 25.1 mm (from Z=0.0 to Z=150.5).
10. Finish turn diameter Ø54.4 mm over length 69.0 mm (from Z=0.0 to Z=125.4).
11. Finish turn diameter Ø51.2 mm over length 14.4 mm (from Z=0.0 to Z=56.4).
12. Finish turn diameter Ø38.3 mm over length 42.0 mm (from Z=0.0 to Z=42.0).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø49.1 mm and length at least 277.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.1 mm over length 64.8 mm (from Z=0.0 to Z=64.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 207.9 mm (from Z=0.0 to Z=207.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø65.1 mm and length at least 269.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.1 mm over length 61.5 mm (from Z=0.0 to Z=61.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.1 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 Ø53.1 mm over length 36.3 mm (from Z=0.0 to Z=203.2).
10. Finish turn diameter Ø37.0 mm over length 31.5 mm (from Z=0.0 to Z=166.9).
11. Finish turn diameter Ø30.0 mm over length 135.4 mm (from Z=0.0 to Z=135.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø50.0 mm and length at least 99.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.0 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 Ø48.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 86.4 mm (from Z=0.0 to Z=86.4).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø57.2 mm and length at least 303.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.2 mm over length 110.6 mm (from Z=0.0 to Z=110.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.2 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 31.1 mm (from Z=0.0 to Z=187.5).
10. Finish turn diameter Ø35.2 mm over length 119.9 mm (from Z=0.0 to Z=156.4).
11. Finish turn diameter Ø31.0 mm over length 36.5 mm (from Z=0.0 to Z=36.5).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø66.0 mm and length at least 164.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.0 mm over length 34.8 mm (from Z=0.0 to Z=34.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.0 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 Ø51.9 mm over length 50.0 mm (from Z=0.0 to Z=124.6).
9. Finish turn diameter Ø43.1 mm over length 20.5 mm (from Z=0.0 to Z=74.6).
10. Finish turn diameter Ø34.4 mm over length 54.1 mm (from Z=0.0 to Z=54.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø78.4 mm and length at least 212.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.4 mm over length 56.5 mm (from Z=0.0 to Z=56.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.4 mm.
6. Face the end and set Z=0.
7. 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 Ø59.0 mm over length 126.4 mm (from Z=0.0 to Z=150.6).
10. Finish turn diameter Ø52.9 mm over length 24.2 mm (from Z=0.0 to Z=24.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø41.2 mm and length at least 124.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.2 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 Ø39.2 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 114.3 mm (from Z=0.0 to Z=114.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 215.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.8 mm over length 62.1 mm (from Z=0.0 to Z=62.1).
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 Ø30.0 mm over length 148.6 mm (from Z=0.0 to Z=148.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 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 Ø76.0 mm over length 30.8 mm (from Z=0.0 to Z=30.8).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 Ø65.3 mm over length 26.9 mm (from Z=0.0 to Z=110.3).
9. Finish turn diameter Ø62.2 mm over length 33.5 mm (from Z=0.0 to Z=83.4).
10. Finish turn diameter Ø58.1 mm over length 20.5 mm (from Z=0.0 to Z=49.9).
11. Finish turn diameter Ø41.6 mm over length 19.4 mm (from Z=0.0 to Z=29.4).
12. Finish turn diameter Ø30.0 mm over length 10.0 mm (from Z=0.0 to Z=10.0).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø40.7 mm and length at least 275.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.7 mm over length 97.8 mm (from Z=0.0 to Z=97.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.7 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 172.9 mm (from Z=0.0 to Z=172.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 168.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.0 mm over length 39.5 mm (from Z=0.0 to Z=39.5).
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 Ø55.4 mm over length 25.7 mm (from Z=0.0 to Z=124.1).
9. Finish turn diameter Ø47.8 mm over length 19.8 mm (from Z=0.0 to Z=98.4).
10. Finish turn diameter Ø44.2 mm over length 34.7 mm (from Z=0.0 to Z=78.6).
11. Finish turn diameter Ø33.8 mm over length 17.7 mm (from Z=0.0 to Z=43.9).
12. Finish turn diameter Ø30.0 mm over length 26.2 mm (from Z=0.0 to Z=26.2).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø34.8 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 Ø32.8 mm over length 53.1 mm (from Z=0.0 to Z=53.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.8 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 Ø30.0 mm over length 191.0 mm (from Z=0.0 to Z=191.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø39.4 mm and length at least 219.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.4 mm over length 67.8 mm (from Z=0.0 to Z=67.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 147.1 mm (from Z=0.0 to Z=147.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø36.8 mm and length at least 98.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.8 mm over length 31.0 mm (from Z=0.0 to Z=31.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.8 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 Ø30.0 mm over length 62.8 mm (from Z=0.0 to Z=62.8).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø38.8 mm and length at least 141.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.8 mm over length 30.4 mm (from Z=0.0 to Z=30.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.8 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 Ø30.0 mm over length 105.9 mm (from Z=0.0 to Z=105.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø48.8 mm and length at least 205.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.8 mm over length 53.7 mm (from Z=0.0 to Z=53.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.8 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 Ø38.8 mm over length 49.4 mm (from Z=0.0 to Z=146.4).
10. Finish turn diameter Ø30.0 mm over length 97.0 mm (from Z=0.0 to Z=97.0).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø42.5 mm and length at least 117.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.5 mm over length 13.4 mm (from Z=0.0 to Z=13.4).
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 Ø30.0 mm over length 99.4 mm (from Z=0.0 to Z=99.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø34.3 mm and length at least 212.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.3 mm over length 45.7 mm (from Z=0.0 to Z=45.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 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] 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 Ø32.9 mm and length at least 299.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.9 mm over length 125.2 mm (from Z=0.0 to Z=125.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.9 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 169.7 mm (from Z=0.0 to Z=169.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 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 Ø30.0 mm over length 65.0 mm (from Z=0.0 to Z=65.0).
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 Ø18.4 mm over length 6.9 mm (from Z=0.0 to Z=6.9).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø72.5 mm and length at least 79.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.5 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 Ø70.5 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 Ø65.1 mm over length 19.2 mm (from Z=0.0 to Z=46.9).
9. Finish turn diameter Ø61.5 mm over length 6.3 mm (from Z=0.0 to Z=27.7).
10. Finish turn diameter Ø54.6 mm over length 5.0 mm (from Z=0.0 to Z=21.4).
11. Finish turn diameter Ø40.5 mm over length 16.4 mm (from Z=0.0 to Z=16.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 274.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 172.4 mm (from Z=0.0 to Z=172.4).
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 Ø23.6 mm over length 97.0 mm (from Z=0.0 to Z=97.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø48.5 mm and length at least 190.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.5 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 Ø46.5 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 Ø32.1 mm over length 30.1 mm (from Z=0.0 to Z=140.1).
10. Finish turn diameter Ø30.0 mm over length 110.0 mm (from Z=0.0 to Z=110.0).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø32.7 mm and length at least 305.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.7 mm over length 152.9 mm (from Z=0.0 to Z=152.9).
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 147.3 mm (from Z=0.0 to Z=147.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø67.3 mm and length at least 91.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.3 mm over length 27.2 mm (from Z=0.0 to Z=27.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.3 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 Ø51.9 mm over length 5.0 mm (from Z=0.0 to Z=59.5).
9. Finish turn diameter Ø41.6 mm over length 17.7 mm (from Z=0.0 to Z=54.5).
10. Finish turn diameter Ø30.0 mm over length 36.8 mm (from Z=0.0 to Z=36.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø34.6 mm and length at least 180.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.6 mm over length 15.9 mm (from Z=0.0 to Z=15.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 159.7 mm (from Z=0.0 to Z=159.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø48.5 mm and length at least 169.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.5 mm over length 44.7 mm (from Z=0.0 to Z=44.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.5 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 Ø39.8 mm over length 69.4 mm (from Z=0.0 to Z=119.9).
9. Finish turn diameter Ø30.0 mm over length 50.5 mm (from Z=0.0 to Z=50.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø35.2 mm and length at least 96.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.2 mm over length 13.8 mm (from Z=0.0 to Z=13.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.2 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 Ø30.0 mm over length 77.8 mm (from Z=0.0 to Z=77.8).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User] 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 Ø77.4 mm and length at least 285.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.4 mm over length 27.7 mm (from Z=0.0 to Z=27.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.4 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 Ø67.6 mm over length 8.4 mm (from Z=0.0 to Z=252.9).
10. Finish turn diameter Ø58.6 mm over length 73.5 mm (from Z=0.0 to Z=244.5).
11. Finish turn diameter Ø45.1 mm over length 44.7 mm (from Z=0.0 to Z=171.0).
12. Finish turn diameter Ø30.0 mm over length 126.3 mm (from Z=0.0 to Z=126.3).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø70.7 mm and length at least 261.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.7 mm over length 41.9 mm (from Z=0.0 to Z=41.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.6 mm over length 58.7 mm (from Z=0.0 to Z=214.2).
10. Finish turn diameter Ø46.1 mm over length 45.5 mm (from Z=0.0 to Z=155.5).
11. Finish turn diameter Ø36.8 mm over length 110.0 mm (from Z=0.0 to Z=110.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø50.5 mm and length at least 215.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.5 mm over length 34.9 mm (from Z=0.0 to Z=34.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.5 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 Ø40.0 mm over length 33.6 mm (from Z=0.0 to Z=175.3).
10. Finish turn diameter Ø35.4 mm over length 40.8 mm (from Z=0.0 to Z=141.7).
11. Finish turn diameter Ø30.7 mm over length 100.9 mm (from Z=0.0 to Z=100.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø42.5 mm and length at least 122.0 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 25.0 mm (from Z=0.0 to Z=25.0).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø32.9 mm over length 18.4 mm (from Z=0.0 to Z=92.0).
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] 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 Ø33.7 mm and length at least 215.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.7 mm over length 22.0 mm (from Z=0.0 to Z=22.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.7 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 188.5 mm (from Z=0.0 to Z=188.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.9 mm and length at least 315.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.9 mm over length 144.1 mm (from Z=0.0 to Z=144.1).
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. 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 166.8 mm (from Z=0.0 to Z=166.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.5 mm and length at least 247.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.5 mm over length 60.0 mm (from Z=0.0 to Z=60.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.5 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 Ø37.0 mm over length 18.7 mm (from Z=0.0 to Z=182.9).
10. Finish turn diameter Ø30.0 mm over length 164.2 mm (from Z=0.0 to Z=164.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø47.3 mm and length at least 95.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.3 mm over length 32.6 mm (from Z=0.0 to Z=32.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.3 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 21.5 mm (from Z=0.0 to Z=57.5).
9. Finish turn diameter Ø30.0 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] Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø73.7 mm and length at least 209.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.7 mm over length 31.6 mm (from Z=0.0 to Z=31.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.7 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 Ø66.7 mm over length 42.3 mm (from Z=0.0 to Z=173.0).
10. Finish turn diameter Ø52.8 mm over length 28.2 mm (from Z=0.0 to Z=130.7).
11. Finish turn diameter Ø37.6 mm over length 49.3 mm (from Z=0.0 to Z=102.5).
12. Finish turn diameter Ø30.0 mm over length 53.2 mm (from Z=0.0 to Z=53.2).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 258.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 172.4 mm (from Z=0.0 to Z=172.4).
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 Ø26.3 mm over length 80.9 mm (from Z=0.0 to Z=80.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.