[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 Ø55.4 mm and length at least 181.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.4 mm over length 24.7 mm (from Z=0.0 to Z=24.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø34.7 mm over length 42.8 mm (from Z=0.0 to Z=151.9).
10. Finish turn diameter Ø30.0 mm over length 109.1 mm (from Z=0.0 to Z=109.1).
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 Ø33.1 mm and length at least 217.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.1 mm over length 41.6 mm (from Z=0.0 to Z=41.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.1 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 170.9 mm (from Z=0.0 to Z=170.9).
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 Ø80.7 mm and length at least 283.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.7 mm over length 12.2 mm (from Z=0.0 to Z=12.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.7 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 Ø73.8 mm over length 25.8 mm (from Z=0.0 to Z=266.1).
10. Finish turn diameter Ø67.6 mm over length 69.2 mm (from Z=0.0 to Z=240.3).
11. Finish turn diameter Ø56.3 mm over length 72.4 mm (from Z=0.0 to Z=171.1).
12. Finish turn diameter Ø41.6 mm over length 48.2 mm (from Z=0.0 to Z=98.7).
13. Finish turn diameter Ø32.8 mm over length 50.5 mm (from Z=0.0 to Z=50.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø72.3 mm and length at least 112.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.3 mm over length 11.1 mm (from Z=0.0 to Z=11.1).
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 Ø64.7 mm over length 36.9 mm (from Z=0.0 to Z=96.5).
9. Finish turn diameter Ø55.1 mm over length 5.5 mm (from Z=0.0 to Z=59.6).
10. Finish turn diameter Ø48.8 mm over length 18.8 mm (from Z=0.0 to Z=54.1).
11. Finish turn diameter Ø40.2 mm over length 6.0 mm (from Z=0.0 to Z=35.3).
12. Finish turn diameter Ø30.0 mm over length 29.3 mm (from Z=0.0 to Z=29.3).
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 steel round bar (material C45) with diameter at least Ø79.7 mm and length at least 130.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.7 mm over length 20.3 mm (from Z=0.0 to Z=20.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.7 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 Ø63.3 mm over length 49.0 mm (from Z=0.0 to Z=105.3).
9. Finish turn diameter Ø56.9 mm over length 7.9 mm (from Z=0.0 to Z=56.3).
10. Finish turn diameter Ø51.9 mm over length 28.7 mm (from Z=0.0 to Z=48.4).
11. Finish turn diameter Ø33.4 mm over length 19.7 mm (from Z=0.0 to Z=19.7).
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 42CrMo4) with diameter at least Ø57.3 mm and length at least 231.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.3 mm over length 74.9 mm (from Z=0.0 to Z=74.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø37.8 mm over length 25.1 mm (from Z=0.0 to Z=151.2).
10. Finish turn diameter Ø30.0 mm over length 126.1 mm (from Z=0.0 to Z=126.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø74.5 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 Ø72.5 mm over length 127.7 mm (from Z=0.0 to Z=127.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.5 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 Ø60.7 mm over length 42.7 mm (from Z=0.0 to Z=137.6).
10. Finish turn diameter Ø42.5 mm over length 94.9 mm (from Z=0.0 to Z=94.9).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 106.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 76.0 mm (from Z=0.0 to Z=76.0).
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 Ø25.1 mm over length 25.2 mm (from Z=0.0 to Z=25.2).
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 Ø77.2 mm and length at least 228.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.2 mm over length 94.9 mm (from Z=0.0 to Z=94.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø70.5 mm over length 93.8 mm (from Z=0.0 to Z=129.0).
10. Finish turn diameter Ø56.8 mm over length 22.3 mm (from Z=0.0 to Z=35.2).
11. Finish turn diameter Ø51.1 mm over length 12.9 mm (from Z=0.0 to Z=12.9).
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 C45) with diameter at least Ø73.5 mm and length at least 292.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.5 mm over length 123.1 mm (from Z=0.0 to Z=123.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.5 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 Ø56.7 mm over length 82.9 mm (from Z=0.0 to Z=164.8).
10. Finish turn diameter Ø52.0 mm over length 81.9 mm (from Z=0.0 to Z=81.9).
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 16MnCr5) with diameter at least Ø76.8 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 Ø74.8 mm over length 91.6 mm (from Z=0.0 to Z=91.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.8 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 Ø62.7 mm over length 8.5 mm (from Z=0.0 to Z=208.6).
10. Finish turn diameter Ø51.4 mm over length 10.5 mm (from Z=0.0 to Z=200.1).
11. Finish turn diameter Ø33.3 mm over length 37.6 mm (from Z=0.0 to Z=189.6).
12. Finish turn diameter Ø30.0 mm over length 152.0 mm (from Z=0.0 to Z=152.0).
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 Ø47.4 mm and length at least 269.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.4 mm over length 94.0 mm (from Z=0.0 to Z=94.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.4 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 Ø36.4 mm over length 39.2 mm (from Z=0.0 to Z=170.9).
10. Finish turn diameter Ø30.0 mm over length 131.7 mm (from Z=0.0 to Z=131.7).
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 Ø64.9 mm and length at least 143.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.9 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 Ø62.9 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 Ø46.4 mm over length 25.9 mm (from Z=0.0 to Z=88.0).
9. Finish turn diameter Ø30.0 mm over length 62.1 mm (from Z=0.0 to Z=62.1).
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 Ø60.5 mm and length at least 241.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.5 mm over length 49.1 mm (from Z=0.0 to Z=49.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø42.0 mm over length 22.9 mm (from Z=0.0 to Z=187.2).
10. Finish turn diameter Ø38.7 mm over length 22.1 mm (from Z=0.0 to Z=164.3).
11. Finish turn diameter Ø30.0 mm over length 142.2 mm (from Z=0.0 to Z=142.2).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.3 mm and length at least 264.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.3 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 Ø74.3 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 Ø69.5 mm over length 57.8 mm (from Z=0.0 to Z=243.3).
10. Finish turn diameter Ø66.2 mm over length 32.0 mm (from Z=0.0 to Z=185.5).
11. Finish turn diameter Ø56.9 mm over length 72.3 mm (from Z=0.0 to Z=153.5).
12. Finish turn diameter Ø46.9 mm over length 81.2 mm (from Z=0.0 to Z=81.2).
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 C45) with diameter at least Ø40.0 mm and length at least 206.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.0 mm over length 54.8 mm (from Z=0.0 to Z=54.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.0 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 Ø31.1 mm over length 36.3 mm (from Z=0.0 to Z=146.5).
10. Finish turn diameter Ø30.0 mm over length 110.2 mm (from Z=0.0 to Z=110.2).
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 Ø49.5 mm and length at least 222.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.5 mm over length 56.4 mm (from Z=0.0 to Z=56.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.7 mm over length 22.1 mm (from Z=0.0 to Z=161.2).
10. Finish turn diameter Ø30.0 mm over length 139.1 mm (from Z=0.0 to Z=139.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø64.0 mm and length at least 91.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.0 mm over length 17.7 mm (from Z=0.0 to Z=17.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø49.0 mm over length 10.2 mm (from Z=0.0 to Z=68.7).
9. Finish turn diameter Ø42.9 mm over length 6.3 mm (from Z=0.0 to Z=58.5).
10. Finish turn diameter Ø33.8 mm over length 14.7 mm (from Z=0.0 to Z=52.2).
11. Finish turn diameter Ø30.0 mm over length 37.5 mm (from Z=0.0 to Z=37.5).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø59.8 mm and length at least 84.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.8 mm over length 35.8 mm (from Z=0.0 to Z=35.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.8 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 Ø49.2 mm over length 8.4 mm (from Z=0.0 to Z=43.8).
9. Finish turn diameter Ø34.8 mm over length 35.4 mm (from Z=0.0 to Z=35.4).
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 Ø43.7 mm and length at least 185.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.7 mm over length 25.2 mm (from Z=0.0 to Z=25.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.7 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 Ø37.2 mm over length 27.1 mm (from Z=0.0 to Z=155.2).
10. Finish turn diameter Ø30.0 mm over length 128.1 mm (from Z=0.0 to Z=128.1).
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 Ø55.4 mm and length at least 291.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.4 mm over length 28.0 mm (from Z=0.0 to Z=28.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.4 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 Ø47.3 mm over length 70.0 mm (from Z=0.0 to Z=258.5).
10. Finish turn diameter Ø35.0 mm over length 67.0 mm (from Z=0.0 to Z=188.5).
11. Finish turn diameter Ø30.0 mm over length 121.5 mm (from Z=0.0 to Z=121.5).
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 C45) with diameter at least Ø77.5 mm and length at least 232.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.5 mm over length 10.0 mm (from Z=0.0 to Z=10.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø60.0 mm over length 76.4 mm (from Z=0.0 to Z=217.0).
10. Finish turn diameter Ø47.0 mm over length 10.0 mm (from Z=0.0 to Z=140.6).
11. Finish turn diameter Ø41.4 mm over length 30.7 mm (from Z=0.0 to Z=130.6).
12. Finish turn diameter Ø30.0 mm over length 99.9 mm (from Z=0.0 to Z=99.9).
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 stainless steel round bar (material 1.4301) with diameter at least Ø43.3 mm and length at least 280.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.3 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 Ø41.3 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 213.1 mm (from Z=0.0 to Z=213.1).
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 Ø66.9 mm and length at least 291.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.9 mm over length 74.2 mm (from Z=0.0 to Z=74.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.9 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 Ø53.1 mm over length 34.3 mm (from Z=0.0 to Z=212.0).
10. Finish turn diameter Ø48.3 mm over length 61.4 mm (from Z=0.0 to Z=177.7).
11. Finish turn diameter Ø30.0 mm over length 116.3 mm (from Z=0.0 to Z=116.3).
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 Ø64.8 mm and length at least 172.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.8 mm over length 44.6 mm (from Z=0.0 to Z=44.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.6 mm over length 43.0 mm (from Z=0.0 to Z=122.7).
9. Finish turn diameter Ø42.4 mm over length 58.0 mm (from Z=0.0 to Z=79.7).
10. Finish turn diameter Ø30.8 mm over length 21.7 mm (from Z=0.0 to Z=21.7).
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 Ø43.4 mm and length at least 164.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.4 mm over length 54.9 mm (from Z=0.0 to Z=54.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.4 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 Ø32.1 mm over length 82.4 mm (from Z=0.0 to Z=104.9).
9. Finish turn diameter Ø30.0 mm over length 22.5 mm (from Z=0.0 to Z=22.5).
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 42CrMo4) with diameter at least Ø32.0 mm and length at least 284.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 235.4 mm (from Z=0.0 to Z=235.4).
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 Ø27.1 mm over length 43.8 mm (from Z=0.0 to Z=43.8).
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 steel round bar (material 16MnCr5) with diameter at least Ø60.3 mm and length at least 235.1 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 23.1 mm (from Z=0.0 to Z=23.1).
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 Ø44.7 mm over length 56.0 mm (from Z=0.0 to Z=207.0).
10. Finish turn diameter Ø34.9 mm over length 39.8 mm (from Z=0.0 to Z=151.0).
11. Finish turn diameter Ø30.0 mm over length 111.2 mm (from Z=0.0 to Z=111.2).
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 Ø32.0 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 Ø30.0 mm over length 107.5 mm (from Z=0.0 to Z=107.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø29.2 mm over length 17.9 mm (from Z=0.0 to Z=17.9).
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 Ø45.1 mm and length at least 318.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.1 mm over length 107.0 mm (from Z=0.0 to Z=107.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.1 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 Ø37.6 mm over length 15.1 mm (from Z=0.0 to Z=206.1).
10. Finish turn diameter Ø30.0 mm over length 191.0 mm (from Z=0.0 to Z=191.0).
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 Ø48.0 mm and length at least 196.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.0 mm over length 58.6 mm (from Z=0.0 to Z=58.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.0 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 132.4 mm (from Z=0.0 to Z=132.4).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø77.6 mm and length at least 129.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.6 mm over length 49.0 mm (from Z=0.0 to Z=49.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø57.2 mm over length 38.3 mm (from Z=0.0 to Z=75.8).
9. Finish turn diameter Ø44.0 mm over length 37.5 mm (from Z=0.0 to Z=37.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø77.2 mm and length at least 306.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.2 mm over length 37.3 mm (from Z=0.0 to Z=37.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø59.7 mm over length 18.8 mm (from Z=0.0 to Z=263.8).
10. Finish turn diameter Ø46.9 mm over length 57.8 mm (from Z=0.0 to Z=245.0).
11. Finish turn diameter Ø37.8 mm over length 60.2 mm (from Z=0.0 to Z=187.2).
12. Finish turn diameter Ø30.0 mm over length 127.0 mm (from Z=0.0 to Z=127.0).
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 C45) with diameter at least Ø39.7 mm and length at least 184.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.7 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 Ø37.7 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 139.6 mm (from Z=0.0 to Z=139.6).
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 C45) with diameter at least Ø53.4 mm and length at least 235.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.4 mm over length 44.2 mm (from Z=0.0 to Z=44.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.4 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 Ø37.2 mm over length 34.0 mm (from Z=0.0 to Z=185.9).
10. Finish turn diameter Ø30.0 mm over length 151.9 mm (from Z=0.0 to Z=151.9).
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 C45) with diameter at least Ø59.9 mm and length at least 310.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.9 mm over length 74.4 mm (from Z=0.0 to Z=74.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.1 mm over length 76.1 mm (from Z=0.0 to Z=231.5).
10. Finish turn diameter Ø34.9 mm over length 85.2 mm (from Z=0.0 to Z=155.4).
11. Finish turn diameter Ø30.0 mm over length 70.2 mm (from Z=0.0 to Z=70.2).
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 Ø46.1 mm and length at least 85.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.1 mm over length 18.4 mm (from Z=0.0 to Z=18.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø32.0 mm over length 19.7 mm (from Z=0.0 to Z=61.6).
9. Finish turn diameter Ø30.0 mm over length 41.9 mm (from Z=0.0 to Z=41.9).
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 Ø57.0 mm and length at least 134.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.0 mm over length 21.2 mm (from Z=0.0 to Z=21.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.0 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 Ø43.3 mm over length 51.1 mm (from Z=0.0 to Z=108.2).
9. Finish turn diameter Ø30.0 mm over length 57.1 mm (from Z=0.0 to Z=57.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 177.4 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 127.5 mm (from Z=0.0 to Z=127.5).
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 Ø26.7 mm over length 44.9 mm (from Z=0.0 to Z=44.9).
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 Ø42.3 mm and length at least 137.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.3 mm over length 7.5 mm (from Z=0.0 to Z=7.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.6 mm over length 25.9 mm (from Z=0.0 to Z=125.1).
10. Finish turn diameter Ø30.0 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 steel round bar (material 16MnCr5) with diameter at least Ø69.2 mm and length at least 69.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.2 mm over length 9.0 mm (from Z=0.0 to Z=9.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø62.8 mm over length 15.2 mm (from Z=0.0 to Z=55.0).
9. Finish turn diameter Ø51.6 mm over length 32.8 mm (from Z=0.0 to Z=39.8).
10. Finish turn diameter Ø32.8 mm over length 7.0 mm (from Z=0.0 to Z=7.0).
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 42CrMo4) with diameter at least Ø39.6 mm and length at least 78.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.6 mm over length 8.3 mm (from Z=0.0 to Z=8.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø33.9 mm over length 20.4 mm (from Z=0.0 to Z=65.4).
9. Finish turn diameter Ø30.0 mm over length 45.0 mm (from Z=0.0 to Z=45.0).
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 Ø32.0 mm and length at least 192.0 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 134.6 mm (from Z=0.0 to Z=134.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø18.6 mm over length 52.4 mm (from Z=0.0 to Z=52.4).
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 Ø55.6 mm and length at least 162.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.6 mm over length 51.0 mm (from Z=0.0 to Z=51.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø47.0 mm over length 25.5 mm (from Z=0.0 to Z=106.4).
9. Finish turn diameter Ø36.8 mm over length 5.8 mm (from Z=0.0 to Z=80.9).
10. Finish turn diameter Ø30.6 mm over length 51.9 mm (from Z=0.0 to Z=75.1).
11. Finish turn diameter Ø30.0 mm over length 23.2 mm (from Z=0.0 to Z=23.2).
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 Ø55.1 mm and length at least 96.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.1 mm over length 22.9 mm (from Z=0.0 to Z=22.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.1 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 Ø44.0 mm over length 42.7 mm (from Z=0.0 to Z=68.9).
9. Finish turn diameter Ø37.5 mm over length 26.2 mm (from Z=0.0 to Z=26.2).
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 42CrMo4) with diameter at least Ø40.4 mm and length at least 218.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.4 mm over length 11.0 mm (from Z=0.0 to Z=11.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø34.4 mm over length 97.6 mm (from Z=0.0 to Z=202.4).
10. Finish turn diameter Ø30.0 mm over length 104.8 mm (from Z=0.0 to Z=104.8).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 137.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 123.1 mm (from Z=0.0 to Z=123.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø21.8 mm over length 9.4 mm (from Z=0.0 to Z=9.4).
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 Ø59.9 mm and length at least 320.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.9 mm over length 90.4 mm (from Z=0.0 to Z=90.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.9 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 Ø47.8 mm over length 62.4 mm (from Z=0.0 to Z=225.0).
10. Finish turn diameter Ø37.0 mm over length 92.7 mm (from Z=0.0 to Z=162.6).
11. Finish turn diameter Ø30.0 mm over length 69.9 mm (from Z=0.0 to Z=69.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø32.3 mm and length at least 240.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.3 mm over length 70.2 mm (from Z=0.0 to Z=70.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.3 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 164.8 mm (from Z=0.0 to Z=164.8).
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 steel round bar (material 16MnCr5) with diameter at least Ø76.7 mm and length at least 308.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.7 mm over length 87.7 mm (from Z=0.0 to Z=87.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.7 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 Ø64.6 mm over length 39.7 mm (from Z=0.0 to Z=215.4).
10. Finish turn diameter Ø46.3 mm over length 58.6 mm (from Z=0.0 to Z=175.7).
11. Finish turn diameter Ø37.7 mm over length 38.0 mm (from Z=0.0 to Z=117.1).
12. Finish turn diameter Ø30.0 mm over length 79.1 mm (from Z=0.0 to Z=79.1).
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 steel round bar (material 42CrMo4) with diameter at least Ø39.0 mm and length at least 188.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.0 mm over length 23.0 mm (from Z=0.0 to Z=23.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.0 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 160.9 mm (from Z=0.0 to Z=160.9).
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 Ø77.8 mm and length at least 160.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.8 mm over length 21.1 mm (from Z=0.0 to Z=21.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.8 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 Ø72.1 mm over length 61.5 mm (from Z=0.0 to Z=134.3).
9. Finish turn diameter Ø68.7 mm over length 55.0 mm (from Z=0.0 to Z=72.8).
10. Finish turn diameter Ø59.2 mm over length 17.8 mm (from Z=0.0 to Z=17.8).
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 stainless steel round bar (material 1.4301) with diameter at least Ø57.7 mm and length at least 109.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.7 mm over length 12.3 mm (from Z=0.0 to Z=12.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø39.9 mm over length 16.7 mm (from Z=0.0 to Z=92.4).
9. Finish turn diameter Ø30.0 mm over length 75.7 mm (from Z=0.0 to Z=75.7).
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 42CrMo4) with diameter at least Ø40.9 mm and length at least 205.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.9 mm over length 42.6 mm (from Z=0.0 to Z=42.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.9 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 157.4 mm (from Z=0.0 to Z=157.4).
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 Ø45.1 mm and length at least 284.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.1 mm over length 66.7 mm (from Z=0.0 to Z=66.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.1 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 Ø39.7 mm over length 71.6 mm (from Z=0.0 to Z=212.8).
10. Finish turn diameter Ø33.7 mm over length 78.3 mm (from Z=0.0 to Z=141.2).
11. Finish turn diameter Ø30.0 mm over length 62.9 mm (from Z=0.0 to Z=62.9).
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 C45) with diameter at least Ø55.2 mm and length at least 246.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.2 mm over length 25.1 mm (from Z=0.0 to Z=25.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.2 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 Ø35.4 mm over length 42.0 mm (from Z=0.0 to Z=216.4).
10. Finish turn diameter Ø30.0 mm over length 174.4 mm (from Z=0.0 to Z=174.4).
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 Ø33.9 mm and length at least 135.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.9 mm over length 24.5 mm (from Z=0.0 to Z=24.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.9 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 105.7 mm (from Z=0.0 to Z=105.7).
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 16MnCr5) with diameter at least Ø54.1 mm and length at least 87.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.1 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 Ø52.1 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 Ø35.1 mm over length 5.0 mm (from Z=0.0 to Z=77.1).
9. Finish turn diameter Ø30.0 mm over length 72.1 mm (from Z=0.0 to Z=72.1).
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 Ø34.9 mm and length at least 222.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.9 mm over length 72.7 mm (from Z=0.0 to Z=72.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.9 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 144.4 mm (from Z=0.0 to Z=144.4).
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 Ø61.3 mm and length at least 175.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.3 mm over length 72.4 mm (from Z=0.0 to Z=72.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.3 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 Ø51.5 mm over length 32.4 mm (from Z=0.0 to Z=97.8).
9. Finish turn diameter Ø46.3 mm over length 65.4 mm (from Z=0.0 to Z=65.4).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø53.6 mm and length at least 77.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.6 mm over length 16.6 mm (from Z=0.0 to Z=16.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 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 Ø40.6 mm over length 10.8 mm (from Z=0.0 to Z=55.8).
9. Finish turn diameter Ø30.0 mm over length 45.0 mm (from Z=0.0 to Z=45.0).
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 Ø54.8 mm and length at least 147.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.8 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 Ø52.8 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 Ø43.5 mm over length 25.0 mm (from Z=0.0 to Z=115.6).
9. Finish turn diameter Ø33.3 mm over length 31.5 mm (from Z=0.0 to Z=90.6).
10. Finish turn diameter Ø30.0 mm over length 59.1 mm (from Z=0.0 to Z=59.1).
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 16MnCr5) with diameter at least Ø64.3 mm and length at least 176.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.3 mm over length 18.4 mm (from Z=0.0 to Z=18.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø56.4 mm over length 56.2 mm (from Z=0.0 to Z=152.8).
9. Finish turn diameter Ø39.7 mm over length 13.4 mm (from Z=0.0 to Z=96.6).
10. Finish turn diameter Ø35.5 mm over length 48.5 mm (from Z=0.0 to Z=83.2).
11. Finish turn diameter Ø30.0 mm over length 34.7 mm (from Z=0.0 to Z=34.7).
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 stainless steel round bar (material 1.4301) with diameter at least Ø67.4 mm and length at least 212.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.4 mm over length 18.4 mm (from Z=0.0 to Z=18.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.4 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 Ø61.3 mm over length 58.9 mm (from Z=0.0 to Z=189.1).
10. Finish turn diameter Ø55.0 mm over length 50.2 mm (from Z=0.0 to Z=130.2).
11. Finish turn diameter Ø39.8 mm over length 26.9 mm (from Z=0.0 to Z=80.0).
12. Finish turn diameter Ø33.0 mm over length 53.1 mm (from Z=0.0 to Z=53.1).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø75.3 mm and length at least 257.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.3 mm over length 26.9 mm (from Z=0.0 to Z=26.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.3 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 Ø53.8 mm over length 25.0 mm (from Z=0.0 to Z=226.0).
10. Finish turn diameter Ø35.2 mm over length 42.7 mm (from Z=0.0 to Z=201.0).
11. Finish turn diameter Ø30.0 mm over length 158.3 mm (from Z=0.0 to Z=158.3).
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 Ø56.3 mm and length at least 245.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.3 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 Ø54.3 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 Ø36.7 mm over length 85.2 mm (from Z=0.0 to Z=212.7).
10. Finish turn diameter Ø30.0 mm over length 127.5 mm (from Z=0.0 to Z=127.5).
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 C45) with diameter at least Ø32.0 mm and length at least 318.6 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 266.5 mm (from Z=0.0 to Z=266.5).
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 Ø26.3 mm over length 47.1 mm (from Z=0.0 to Z=47.1).
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 Ø73.6 mm and length at least 306.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.6 mm over length 10.8 mm (from Z=0.0 to Z=10.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.6 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 Ø64.0 mm over length 86.1 mm (from Z=0.0 to Z=290.3).
10. Finish turn diameter Ø53.0 mm over length 111.8 mm (from Z=0.0 to Z=204.2).
11. Finish turn diameter Ø36.5 mm over length 45.5 mm (from Z=0.0 to Z=92.4).
12. Finish turn diameter Ø30.0 mm over length 46.9 mm (from Z=0.0 to Z=46.9).
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 Ø40.9 mm and length at least 225.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.9 mm over length 139.1 mm (from Z=0.0 to Z=139.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.9 mm over length 66.8 mm (from Z=0.0 to Z=81.3).
10. Finish turn diameter Ø30.0 mm over length 14.5 mm (from Z=0.0 to Z=14.5).
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 C45) with diameter at least Ø71.8 mm and length at least 158.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.8 mm over length 34.4 mm (from Z=0.0 to Z=34.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 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 Ø50.3 mm over length 35.6 mm (from Z=0.0 to Z=119.2).
9. Finish turn diameter Ø41.1 mm over length 48.4 mm (from Z=0.0 to Z=83.6).
10. Finish turn diameter Ø30.0 mm over length 35.2 mm (from Z=0.0 to Z=35.2).
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 42CrMo4) with diameter at least Ø75.6 mm and length at least 86.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.6 mm over length 7.9 mm (from Z=0.0 to Z=7.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø61.2 mm over length 19.6 mm (from Z=0.0 to Z=73.6).
9. Finish turn diameter Ø44.5 mm over length 14.4 mm (from Z=0.0 to Z=54.0).
10. Finish turn diameter Ø30.5 mm over length 19.4 mm (from Z=0.0 to Z=39.6).
11. Finish turn diameter Ø30.0 mm over length 20.2 mm (from Z=0.0 to Z=20.2).
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 Ø47.3 mm and length at least 68.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.3 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 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 Ø39.8 mm over length 19.0 mm (from Z=0.0 to Z=58.0).
9. Finish turn diameter Ø30.0 mm over length 39.0 mm (from Z=0.0 to Z=39.0).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø60.3 mm and length at least 150.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.3 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 Ø58.3 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 Ø49.2 mm over length 10.9 mm (from Z=0.0 to Z=88.1).
9. Finish turn diameter Ø30.3 mm over length 28.7 mm (from Z=0.0 to Z=77.2).
10. Finish turn diameter Ø30.0 mm over length 48.5 mm (from Z=0.0 to Z=48.5).
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 C45) with diameter at least Ø46.1 mm and length at least 322.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.1 mm over length 87.9 mm (from Z=0.0 to Z=87.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter 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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø45.2 mm and length at least 283.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.2 mm over length 79.1 mm (from Z=0.0 to Z=79.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.2 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 199.4 mm (from Z=0.0 to Z=199.4).
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 Ø66.1 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 Ø64.1 mm over length 34.5 mm (from Z=0.0 to Z=34.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.1 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 Ø45.7 mm over length 50.5 mm (from Z=0.0 to Z=163.4).
10. Finish turn diameter Ø36.3 mm over length 23.5 mm (from Z=0.0 to Z=112.9).
11. Finish turn diameter Ø30.0 mm over length 89.4 mm (from Z=0.0 to Z=89.4).
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 16MnCr5) with diameter at least Ø36.9 mm and length at least 99.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.9 mm over length 21.4 mm (from Z=0.0 to Z=21.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.9 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 73.2 mm (from Z=0.0 to Z=73.2).
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 Ø32.0 mm and length at least 304.8 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 279.2 mm (from Z=0.0 to Z=279.2).
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 Ø26.0 mm over length 20.6 mm (from Z=0.0 to Z=20.6).
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 Ø80.3 mm and length at least 318.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.3 mm over length 38.2 mm (from Z=0.0 to Z=38.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø74.4 mm over length 26.3 mm (from Z=0.0 to Z=275.7).
10. Finish turn diameter Ø63.4 mm over length 76.7 mm (from Z=0.0 to Z=249.4).
11. Finish turn diameter Ø50.6 mm over length 69.4 mm (from Z=0.0 to Z=172.7).
12. Finish turn diameter Ø38.4 mm over length 31.7 mm (from Z=0.0 to Z=103.3).
13. Finish turn diameter Ø30.0 mm over length 71.6 mm (from Z=0.0 to Z=71.6).
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 Ø45.3 mm and length at least 68.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.3 mm over length 21.8 mm (from Z=0.0 to Z=21.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.3 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 Ø37.5 mm over length 5.0 mm (from Z=0.0 to Z=42.1).
9. Finish turn diameter Ø30.0 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 steel round bar (material 42CrMo4) with diameter at least Ø63.1 mm and length at least 85.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.1 mm over length 10.7 mm (from Z=0.0 to Z=10.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.1 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 Ø42.0 mm over length 29.9 mm (from Z=0.0 to Z=70.2).
9. Finish turn diameter Ø30.0 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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.5 mm and length at least 197.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.5 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 Ø78.5 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 Ø70.7 mm over length 28.8 mm (from Z=0.0 to Z=146.9).
10. Finish turn diameter Ø65.8 mm over length 33.8 mm (from Z=0.0 to Z=118.1).
11. Finish turn diameter Ø56.4 mm over length 51.2 mm (from Z=0.0 to Z=84.3).
12. Finish turn diameter Ø50.7 mm over length 33.1 mm (from Z=0.0 to Z=33.1).
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 steel round bar (material 16MnCr5) with diameter at least Ø80.7 mm and length at least 178.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.7 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 Ø78.7 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 Ø65.7 mm over length 87.3 mm (from Z=0.0 to Z=142.6).
9. Finish turn diameter Ø60.3 mm over length 55.3 mm (from Z=0.0 to Z=55.3).
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 Ø64.6 mm and length at least 99.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.6 mm over length 19.6 mm (from Z=0.0 to Z=19.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.6 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 Ø48.8 mm over length 5.0 mm (from Z=0.0 to Z=74.4).
9. Finish turn diameter Ø37.1 mm over length 11.4 mm (from Z=0.0 to Z=69.4).
10. Finish turn diameter Ø30.0 mm over length 58.0 mm (from Z=0.0 to Z=58.0).
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 16MnCr5) with diameter at least Ø71.9 mm and length at least 76.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.9 mm over length 14.2 mm (from Z=0.0 to Z=14.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø64.2 mm over length 16.2 mm (from Z=0.0 to Z=57.1).
9. Finish turn diameter Ø54.3 mm over length 19.3 mm (from Z=0.0 to Z=40.9).
10. Finish turn diameter Ø48.2 mm over length 21.6 mm (from Z=0.0 to Z=21.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] 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 Ø78.0 mm and length at least 321.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.0 mm over length 105.2 mm (from Z=0.0 to Z=105.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø72.9 mm over length 33.6 mm (from Z=0.0 to Z=211.3).
10. Finish turn diameter Ø53.1 mm over length 40.8 mm (from Z=0.0 to Z=177.7).
11. Finish turn diameter Ø40.6 mm over length 114.9 mm (from Z=0.0 to Z=136.9).
12. Finish turn diameter Ø32.4 mm over length 22.0 mm (from Z=0.0 to Z=22.0).
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 C45) with diameter at least Ø77.9 mm and length at least 67.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.9 mm over length 5.1 mm (from Z=0.0 to Z=5.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.9 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 Ø65.6 mm over length 5.0 mm (from Z=0.0 to Z=57.1).
9. Finish turn diameter Ø58.9 mm over length 14.4 mm (from Z=0.0 to Z=52.1).
10. Finish turn diameter Ø45.3 mm over length 24.6 mm (from Z=0.0 to Z=37.7).
11. Finish turn diameter Ø31.0 mm over length 13.1 mm (from Z=0.0 to Z=13.1).
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 C45) with diameter at least Ø68.6 mm and length at least 315.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.6 mm over length 66.4 mm (from Z=0.0 to Z=66.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.6 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 Ø56.7 mm over length 100.4 mm (from Z=0.0 to Z=244.2).
10. Finish turn diameter Ø47.4 mm over length 41.0 mm (from Z=0.0 to Z=143.8).
11. Finish turn diameter Ø32.5 mm over length 102.8 mm (from Z=0.0 to Z=102.8).
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 Ø57.9 mm and length at least 187.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.9 mm over length 23.1 mm (from Z=0.0 to Z=23.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.4 mm over length 24.0 mm (from Z=0.0 to Z=159.3).
9. Finish turn diameter Ø36.8 mm over length 92.2 mm (from Z=0.0 to Z=135.3).
10. Finish turn diameter Ø30.0 mm over length 43.1 mm (from Z=0.0 to Z=43.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø49.5 mm and length at least 315.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.5 mm over length 96.3 mm (from Z=0.0 to Z=96.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø42.1 mm over length 67.8 mm (from Z=0.0 to Z=214.2).
10. Finish turn diameter Ø38.6 mm over length 12.6 mm (from Z=0.0 to Z=146.4).
11. Finish turn diameter Ø30.0 mm over length 133.8 mm (from Z=0.0 to Z=133.8).
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 Ø32.0 mm and length at least 309.5 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 273.3 mm (from Z=0.0 to Z=273.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø26.4 mm over length 31.2 mm (from Z=0.0 to Z=31.2).
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 42CrMo4) with diameter at least Ø54.3 mm and length at least 316.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.3 mm over length 66.4 mm (from Z=0.0 to Z=66.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø35.4 mm over length 28.4 mm (from Z=0.0 to Z=244.7).
10. Finish turn diameter Ø30.0 mm over length 216.3 mm (from Z=0.0 to Z=216.3).
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 Ø73.5 mm and length at least 114.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.5 mm over length 47.8 mm (from Z=0.0 to Z=47.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.2 mm over length 37.0 mm (from Z=0.0 to Z=61.6).
9. Finish turn diameter Ø53.1 mm over length 24.6 mm (from Z=0.0 to Z=24.6).
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 C45) with diameter at least Ø53.6 mm and length at least 157.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.6 mm over length 46.8 mm (from Z=0.0 to Z=46.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 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 Ø43.8 mm over length 51.0 mm (from Z=0.0 to Z=105.7).
9. Finish turn diameter Ø32.2 mm over length 54.7 mm (from Z=0.0 to Z=54.7).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø79.1 mm and length at least 287.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.1 mm over length 50.3 mm (from Z=0.0 to Z=50.3).
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 Ø58.8 mm over length 28.9 mm (from Z=0.0 to Z=232.1).
10. Finish turn diameter Ø53.0 mm over length 54.9 mm (from Z=0.0 to Z=203.2).
11. Finish turn diameter Ø47.4 mm over length 18.2 mm (from Z=0.0 to Z=148.3).
12. Finish turn diameter Ø30.0 mm over length 130.1 mm (from Z=0.0 to Z=130.1).
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 Ø42.2 mm and length at least 121.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.2 mm over length 35.5 mm (from Z=0.0 to Z=35.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.2 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 81.4 mm (from Z=0.0 to Z=81.4).
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 Ø32.0 mm and length at least 257.6 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 167.3 mm (from Z=0.0 to Z=167.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø25.9 mm over length 85.3 mm (from Z=0.0 to Z=85.3).
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 Ø77.1 mm and length at least 180.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.1 mm over length 21.7 mm (from Z=0.0 to Z=21.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.1 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 Ø66.9 mm over length 26.5 mm (from Z=0.0 to Z=153.7).
9. Finish turn diameter Ø56.4 mm over length 52.3 mm (from Z=0.0 to Z=127.2).
10. Finish turn diameter Ø36.5 mm over length 50.9 mm (from Z=0.0 to Z=74.9).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø56.9 mm and length at least 78.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.9 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 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 Ø48.7 mm over length 13.4 mm (from Z=0.0 to Z=68.0).
9. Finish turn diameter Ø40.4 mm over length 14.4 mm (from Z=0.0 to Z=54.6).
10. Finish turn diameter Ø32.7 mm over length 13.3 mm (from Z=0.0 to Z=40.2).
11. Finish turn diameter Ø30.0 mm over length 26.9 mm (from Z=0.0 to Z=26.9).
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 C45) with diameter at least Ø55.8 mm and length at least 291.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.8 mm over length 62.9 mm (from Z=0.0 to Z=62.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø45.2 mm over length 76.4 mm (from Z=0.0 to Z=223.8).
10. Finish turn diameter Ø40.5 mm over length 117.1 mm (from Z=0.0 to Z=147.4).
11. Finish turn diameter Ø30.0 mm over length 30.3 mm (from Z=0.0 to Z=30.3).
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 Ø32.0 mm and length at least 154.6 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 114.2 mm (from Z=0.0 to Z=114.2).
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 Ø23.1 mm over length 35.4 mm (from Z=0.0 to Z=35.4).
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 Ø54.3 mm and length at least 173.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.3 mm over length 66.4 mm (from Z=0.0 to Z=66.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø33.7 mm over length 24.3 mm (from Z=0.0 to Z=101.8).
9. Finish turn diameter Ø30.0 mm over length 77.5 mm (from Z=0.0 to Z=77.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø36.3 mm and length at least 112.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.3 mm over length 47.3 mm (from Z=0.0 to Z=47.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.3 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 Ø31.2 mm over length 19.8 mm (from Z=0.0 to Z=59.7).
9. Finish turn diameter Ø30.0 mm over length 39.9 mm (from Z=0.0 to Z=39.9).
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 Ø69.9 mm and length at least 135.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.9 mm over length 44.4 mm (from Z=0.0 to Z=44.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø53.1 mm over length 10.4 mm (from Z=0.0 to Z=86.0).
9. Finish turn diameter Ø36.6 mm over length 20.9 mm (from Z=0.0 to Z=75.6).
10. Finish turn diameter Ø30.0 mm over length 54.7 mm (from Z=0.0 to Z=54.7).
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 288.6 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 220.1 mm (from Z=0.0 to Z=220.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø24.9 mm over length 63.5 mm (from Z=0.0 to Z=63.5).
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 Ø44.2 mm and length at least 69.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.2 mm over length 12.5 mm (from Z=0.0 to Z=12.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.2 mm.
6. Face the end and set Z=0.
7. 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 51.5 mm (from Z=0.0 to Z=51.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø43.4 mm and length at least 229.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.4 mm over length 46.4 mm (from Z=0.0 to Z=46.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.4 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 177.8 mm (from Z=0.0 to Z=177.8).
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 steel round bar (material 42CrMo4) with diameter at least Ø66.9 mm and length at least 190.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.9 mm over length 48.1 mm (from Z=0.0 to Z=48.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.9 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 Ø47.4 mm over length 34.0 mm (from Z=0.0 to Z=137.6).
9. Finish turn diameter Ø40.5 mm over length 69.1 mm (from Z=0.0 to Z=103.6).
10. Finish turn diameter Ø30.0 mm over length 34.5 mm (from Z=0.0 to Z=34.5).
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 42CrMo4) with diameter at least Ø72.4 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 Ø70.4 mm over length 71.5 mm (from Z=0.0 to Z=71.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø61.2 mm over length 92.4 mm (from Z=0.0 to Z=209.1).
10. Finish turn diameter Ø48.1 mm over length 116.7 mm (from Z=0.0 to Z=116.7).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.