[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 Ø55.3 mm and length at least 177.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.3 mm over length 52.3 mm (from Z=0.0 to Z=52.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.3 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 Ø47.7 mm over length 48.0 mm (from Z=0.0 to Z=120.0).
9. Finish turn diameter Ø44.1 mm over length 50.2 mm (from Z=0.0 to Z=72.0).
10. Finish turn diameter Ø39.1 mm over length 15.9 mm (from Z=0.0 to Z=21.8).
11. Finish turn diameter Ø34.2 mm over length 5.9 mm (from Z=0.0 to Z=5.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø52.5 mm and length at least 139.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.5 mm over length 25.6 mm (from Z=0.0 to Z=25.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø32.7 mm over length 17.3 mm (from Z=0.0 to Z=109.3).
10. Finish turn diameter Ø30.0 mm over length 92.0 mm (from Z=0.0 to Z=92.0).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø72.6 mm and length at least 242.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.6 mm over length 45.9 mm (from Z=0.0 to Z=45.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.6 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 Ø63.5 mm over length 12.6 mm (from Z=0.0 to Z=191.9).
10. Finish turn diameter Ø51.8 mm over length 15.1 mm (from Z=0.0 to Z=179.3).
11. Finish turn diameter Ø43.3 mm over length 63.9 mm (from Z=0.0 to Z=164.2).
12. Finish turn diameter Ø31.2 mm over length 35.3 mm (from Z=0.0 to Z=100.3).
13. Finish turn diameter Ø30.0 mm over length 65.0 mm (from Z=0.0 to Z=65.0).
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 Ø53.9 mm and length at least 153.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.9 mm over length 56.8 mm (from Z=0.0 to Z=56.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.9 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 Ø46.6 mm over length 19.2 mm (from Z=0.0 to Z=92.1).
9. Finish turn diameter Ø30.0 mm over length 72.9 mm (from Z=0.0 to Z=72.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø37.0 mm and length at least 94.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.0 mm over length 20.9 mm (from Z=0.0 to Z=20.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.0 mm.
6. Face the end and set Z=0.
7. 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 68.4 mm (from Z=0.0 to Z=68.4).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.8 mm and length at least 247.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.8 mm over length 22.1 mm (from Z=0.0 to Z=22.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.8 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 Ø65.5 mm over length 78.5 mm (from Z=0.0 to Z=220.3).
10. Finish turn diameter Ø61.0 mm over length 41.4 mm (from Z=0.0 to Z=141.8).
11. Finish turn diameter Ø47.8 mm over length 82.7 mm (from Z=0.0 to Z=100.4).
12. Finish turn diameter Ø31.7 mm over length 17.7 mm (from Z=0.0 to Z=17.7).
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 Ø78.6 mm and length at least 223.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.6 mm over length 29.1 mm (from Z=0.0 to Z=29.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.6 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 Ø73.0 mm over length 48.0 mm (from Z=0.0 to Z=189.6).
10. Finish turn diameter Ø66.9 mm over length 38.0 mm (from Z=0.0 to Z=141.6).
11. Finish turn diameter Ø49.8 mm over length 29.6 mm (from Z=0.0 to Z=103.6).
12. Finish turn diameter Ø43.1 mm over length 50.4 mm (from Z=0.0 to Z=74.0).
13. Finish turn diameter Ø30.0 mm over length 23.6 mm (from Z=0.0 to Z=23.6).
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 steel round bar (material 42CrMo4) with diameter at least Ø56.5 mm and length at least 191.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.5 mm over length 59.7 mm (from Z=0.0 to Z=59.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø40.8 mm over length 41.1 mm (from Z=0.0 to Z=127.0).
9. Finish turn diameter Ø32.3 mm over length 8.5 mm (from Z=0.0 to Z=85.9).
10. Finish turn diameter Ø30.0 mm over length 77.4 mm (from Z=0.0 to Z=77.4).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø68.6 mm and length at least 139.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.6 mm over length 19.1 mm (from Z=0.0 to Z=19.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.6 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 Ø61.9 mm over length 29.3 mm (from Z=0.0 to Z=115.1).
9. Finish turn diameter Ø51.7 mm over length 5.0 mm (from Z=0.0 to Z=85.8).
10. Finish turn diameter Ø42.7 mm over length 23.4 mm (from Z=0.0 to Z=80.8).
11. Finish turn diameter Ø30.0 mm over length 57.4 mm (from Z=0.0 to Z=57.4).
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 Ø68.1 mm and length at least 138.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.1 mm over length 23.7 mm (from Z=0.0 to Z=23.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.1 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 Ø53.6 mm over length 20.6 mm (from Z=0.0 to Z=109.6).
9. Finish turn diameter Ø37.5 mm over length 42.8 mm (from Z=0.0 to Z=89.0).
10. Finish turn diameter Ø30.0 mm over length 46.2 mm (from Z=0.0 to Z=46.2).
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 Ø69.1 mm and length at least 163.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.1 mm over length 35.1 mm (from Z=0.0 to Z=35.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.2 mm over length 5.0 mm (from Z=0.0 to Z=123.2).
9. Finish turn diameter Ø45.1 mm over length 21.3 mm (from Z=0.0 to Z=118.2).
10. Finish turn diameter Ø33.6 mm over length 40.9 mm (from Z=0.0 to Z=96.9).
11. Finish turn diameter Ø30.0 mm over length 56.0 mm (from Z=0.0 to Z=56.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø37.9 mm and length at least 187.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.9 mm over length 15.4 mm (from Z=0.0 to Z=15.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 166.6 mm (from Z=0.0 to Z=166.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.3 mm and length at least 291.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.3 mm over length 61.5 mm (from Z=0.0 to Z=61.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø69.4 mm over length 29.7 mm (from Z=0.0 to Z=224.8).
10. Finish turn diameter Ø50.0 mm over length 96.1 mm (from Z=0.0 to Z=195.1).
11. Finish turn diameter Ø41.0 mm over length 99.0 mm (from Z=0.0 to Z=99.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 147.5 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 107.3 mm (from Z=0.0 to Z=107.3).
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 Ø27.5 mm over length 35.2 mm (from Z=0.0 to Z=35.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø59.3 mm and length at least 153.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.3 mm over length 36.2 mm (from Z=0.0 to Z=36.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.3 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 Ø50.7 mm over length 23.3 mm (from Z=0.0 to Z=112.1).
9. Finish turn diameter Ø31.0 mm over length 12.1 mm (from Z=0.0 to Z=88.8).
10. Finish turn diameter Ø30.0 mm over length 76.7 mm (from Z=0.0 to Z=76.7).
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 Ø63.8 mm and length at least 146.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.8 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 Ø61.8 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 Ø58.5 mm over length 12.3 mm (from Z=0.0 to Z=99.2).
9. Finish turn diameter Ø55.5 mm over length 21.6 mm (from Z=0.0 to Z=86.9).
10. Finish turn diameter Ø36.5 mm over length 31.8 mm (from Z=0.0 to Z=65.3).
11. Finish turn diameter Ø30.0 mm over length 33.5 mm (from Z=0.0 to Z=33.5).
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 Ø37.1 mm and length at least 274.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.1 mm over length 64.8 mm (from Z=0.0 to Z=64.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.1 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 204.3 mm (from Z=0.0 to Z=204.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø46.0 mm and length at least 244.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.0 mm over length 76.9 mm (from Z=0.0 to Z=76.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.0 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 Ø34.6 mm over length 70.9 mm (from Z=0.0 to Z=162.6).
10. Finish turn diameter Ø30.0 mm over length 91.7 mm (from Z=0.0 to Z=91.7).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.3 mm and length at least 197.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.3 mm over length 45.9 mm (from Z=0.0 to Z=45.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.3 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 Ø31.3 mm over length 51.5 mm (from Z=0.0 to Z=146.5).
10. Finish turn diameter Ø30.0 mm over length 95.0 mm (from Z=0.0 to Z=95.0).
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 Ø63.9 mm and length at least 188.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.9 mm over length 57.9 mm (from Z=0.0 to Z=57.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø51.4 mm over length 41.5 mm (from Z=0.0 to Z=125.5).
9. Finish turn diameter Ø42.6 mm over length 8.4 mm (from Z=0.0 to Z=84.0).
10. Finish turn diameter Ø35.8 mm over length 28.3 mm (from Z=0.0 to Z=75.6).
11. Finish turn diameter Ø30.0 mm over length 47.3 mm (from Z=0.0 to Z=47.3).
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 Ø54.5 mm and length at least 181.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.5 mm over length 69.1 mm (from Z=0.0 to Z=69.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø35.7 mm over length 42.4 mm (from Z=0.0 to Z=107.2).
9. Finish turn diameter Ø30.0 mm over length 64.8 mm (from Z=0.0 to Z=64.8).
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 Ø48.1 mm and length at least 227.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.1 mm over length 84.4 mm (from Z=0.0 to Z=84.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 137.8 mm (from Z=0.0 to Z=137.8).
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 Ø58.4 mm and length at least 225.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.4 mm over length 60.2 mm (from Z=0.0 to Z=60.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.4 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 Ø45.4 mm over length 73.8 mm (from Z=0.0 to Z=160.4).
10. Finish turn diameter Ø42.2 mm over length 44.0 mm (from Z=0.0 to Z=86.6).
11. Finish turn diameter Ø30.0 mm over length 42.6 mm (from Z=0.0 to Z=42.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø61.5 mm and length at least 225.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.5 mm over length 36.1 mm (from Z=0.0 to Z=36.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø49.8 mm over length 42.9 mm (from Z=0.0 to Z=184.8).
10. Finish turn diameter Ø40.5 mm over length 18.9 mm (from Z=0.0 to Z=141.9).
11. Finish turn diameter Ø30.0 mm over length 123.0 mm (from Z=0.0 to Z=123.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø45.6 mm and length at least 66.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.6 mm over length 14.6 mm (from Z=0.0 to Z=14.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.6 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 Ø31.4 mm over length 21.1 mm (from Z=0.0 to Z=46.9).
9. Finish turn diameter Ø30.0 mm over length 25.8 mm (from Z=0.0 to Z=25.8).
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 Ø51.6 mm and length at least 250.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.6 mm over length 80.5 mm (from Z=0.0 to Z=80.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø46.5 mm over length 68.9 mm (from Z=0.0 to Z=164.6).
10. Finish turn diameter Ø34.3 mm over length 44.4 mm (from Z=0.0 to Z=95.7).
11. Finish turn diameter Ø30.1 mm over length 10.8 mm (from Z=0.0 to Z=51.3).
12. Finish turn diameter Ø30.0 mm over length 40.5 mm (from Z=0.0 to Z=40.5).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø41.2 mm and length at least 173.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.2 mm over length 40.1 mm (from Z=0.0 to Z=40.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 128.5 mm (from Z=0.0 to Z=128.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø55.2 mm and length at least 104.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.2 mm over length 11.2 mm (from Z=0.0 to Z=11.2).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø49.7 mm over length 25.6 mm (from Z=0.0 to Z=87.8).
9. Finish turn diameter Ø31.3 mm over length 14.6 mm (from Z=0.0 to Z=62.2).
10. Finish turn diameter Ø30.0 mm over length 47.6 mm (from Z=0.0 to Z=47.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø51.6 mm and length at least 220.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.6 mm over length 61.8 mm (from Z=0.0 to Z=61.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø32.3 mm over length 36.6 mm (from Z=0.0 to Z=153.6).
10. Finish turn diameter Ø30.0 mm over length 117.0 mm (from Z=0.0 to Z=117.0).
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 Ø49.3 mm and length at least 277.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.3 mm over length 24.4 mm (from Z=0.0 to Z=24.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.2 mm over length 75.0 mm (from Z=0.0 to Z=248.0).
10. Finish turn diameter Ø30.0 mm over length 173.0 mm (from Z=0.0 to Z=173.0).
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 Ø65.7 mm and length at least 160.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.7 mm over length 57.9 mm (from Z=0.0 to Z=57.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.7 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 Ø49.2 mm over length 76.5 mm (from Z=0.0 to Z=98.0).
9. Finish turn diameter Ø32.8 mm over length 21.5 mm (from Z=0.0 to Z=21.5).
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 Ø67.9 mm and length at least 212.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.9 mm over length 42.9 mm (from Z=0.0 to Z=42.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.7 mm over length 42.7 mm (from Z=0.0 to Z=164.4).
10. Finish turn diameter Ø54.5 mm over length 48.7 mm (from Z=0.0 to Z=121.7).
11. Finish turn diameter Ø39.1 mm over length 19.2 mm (from Z=0.0 to Z=73.0).
12. Finish turn diameter Ø30.0 mm over length 53.8 mm (from Z=0.0 to Z=53.8).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.3 mm and length at least 131.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.3 mm over length 29.2 mm (from Z=0.0 to Z=29.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 97.2 mm (from Z=0.0 to Z=97.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø55.6 mm and length at least 206.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.6 mm over length 40.6 mm (from Z=0.0 to Z=40.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø46.2 mm over length 31.7 mm (from Z=0.0 to Z=160.8).
10. Finish turn diameter Ø30.0 mm over length 129.1 mm (from Z=0.0 to Z=129.1).
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 Ø40.9 mm and length at least 110.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.9 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 Ø38.9 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 Ø31.4 mm over length 29.0 mm (from Z=0.0 to Z=91.6).
9. Finish turn diameter Ø30.0 mm over length 62.6 mm (from Z=0.0 to Z=62.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø72.4 mm and length at least 319.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.4 mm over length 53.5 mm (from Z=0.0 to Z=53.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.2 mm over length 12.1 mm (from Z=0.0 to Z=260.6).
10. Finish turn diameter Ø38.3 mm over length 99.1 mm (from Z=0.0 to Z=248.5).
11. Finish turn diameter Ø30.0 mm over length 149.4 mm (from Z=0.0 to Z=149.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø62.4 mm and length at least 127.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.4 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.4 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 Ø42.4 mm over length 26.6 mm (from Z=0.0 to Z=117.0).
9. Finish turn diameter Ø33.9 mm over length 24.8 mm (from Z=0.0 to Z=90.4).
10. Finish turn diameter Ø30.0 mm over length 65.6 mm (from Z=0.0 to Z=65.6).
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 Ø71.5 mm and length at least 187.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.5 mm over length 10.5 mm (from Z=0.0 to Z=10.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø64.0 mm over length 28.9 mm (from Z=0.0 to Z=172.3).
9. Finish turn diameter Ø56.9 mm over length 87.3 mm (from Z=0.0 to Z=143.4).
10. Finish turn diameter Ø44.1 mm over length 56.1 mm (from Z=0.0 to Z=56.1).
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 Ø58.5 mm and length at least 134.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.5 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 Ø56.5 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 Ø46.7 mm over length 31.9 mm (from Z=0.0 to Z=94.6).
9. Finish turn diameter Ø30.4 mm over length 55.4 mm (from Z=0.0 to Z=62.7).
10. Finish turn diameter Ø30.0 mm over length 7.3 mm (from Z=0.0 to Z=7.3).
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 stainless steel round bar (material 1.4301) with diameter at least Ø75.6 mm and length at least 238.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.6 mm over length 42.1 mm (from Z=0.0 to Z=42.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø70.0 mm over length 73.8 mm (from Z=0.0 to Z=191.1).
10. Finish turn diameter Ø55.5 mm over length 117.3 mm (from Z=0.0 to Z=117.3).
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 steel round bar (material C45) with diameter at least Ø71.8 mm and length at least 318.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.8 mm over length 50.6 mm (from Z=0.0 to Z=50.6).
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. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø55.8 mm over length 105.2 mm (from Z=0.0 to Z=263.1).
10. Finish turn diameter Ø37.4 mm over length 111.7 mm (from Z=0.0 to Z=157.9).
11. Finish turn diameter Ø30.0 mm over length 46.2 mm (from Z=0.0 to Z=46.2).
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 Ø39.7 mm and length at least 295.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.7 mm over length 41.7 mm (from Z=0.0 to Z=41.7).
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 249.2 mm (from Z=0.0 to Z=249.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø56.6 mm and length at least 81.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.6 mm over length 10.3 mm (from Z=0.0 to Z=10.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø51.0 mm over length 11.2 mm (from Z=0.0 to Z=66.4).
9. Finish turn diameter Ø34.2 mm over length 9.4 mm (from Z=0.0 to Z=55.2).
10. Finish turn diameter Ø30.1 mm over length 19.8 mm (from Z=0.0 to Z=45.8).
11. Finish turn diameter Ø30.0 mm over length 26.0 mm (from Z=0.0 to Z=26.0).
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 Ø32.0 mm and length at least 165.4 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 106.0 mm (from Z=0.0 to Z=106.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø20.5 mm over length 54.4 mm (from Z=0.0 to Z=54.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 70.6 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 44.8 mm (from Z=0.0 to Z=44.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø28.8 mm over length 20.8 mm (from Z=0.0 to Z=20.8).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.8 mm and length at least 74.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.8 mm over length 20.4 mm (from Z=0.0 to Z=20.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 48.9 mm (from Z=0.0 to Z=48.9).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø74.3 mm and length at least 88.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.3 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 Ø72.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.4 mm over length 9.5 mm (from Z=0.0 to Z=78.0).
9. Finish turn diameter Ø47.3 mm over length 9.9 mm (from Z=0.0 to Z=68.5).
10. Finish turn diameter Ø31.5 mm over length 23.8 mm (from Z=0.0 to Z=58.6).
11. Finish turn diameter Ø30.0 mm over length 34.8 mm (from Z=0.0 to Z=34.8).
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 C45) with diameter at least Ø53.2 mm and length at least 105.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.2 mm over length 19.4 mm (from Z=0.0 to Z=19.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.2 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 Ø33.8 mm over length 21.9 mm (from Z=0.0 to Z=80.7).
9. Finish turn diameter Ø30.0 mm over length 58.8 mm (from Z=0.0 to Z=58.8).
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 Ø74.0 mm and length at least 199.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.0 mm over length 76.3 mm (from Z=0.0 to Z=76.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø52.5 mm over length 33.1 mm (from Z=0.0 to Z=118.0).
10. Finish turn diameter Ø37.4 mm over length 29.2 mm (from Z=0.0 to Z=84.9).
11. Finish turn diameter Ø30.0 mm over length 55.7 mm (from Z=0.0 to Z=55.7).
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 Ø70.9 mm and length at least 156.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.9 mm over length 19.8 mm (from Z=0.0 to Z=19.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.9 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 Ø57.6 mm over length 56.1 mm (from Z=0.0 to Z=131.4).
9. Finish turn diameter Ø49.5 mm over length 75.3 mm (from Z=0.0 to Z=75.3).
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 Ø73.8 mm and length at least 218.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.8 mm over length 59.1 mm (from Z=0.0 to Z=59.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with 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 74.1 mm (from Z=0.0 to Z=153.9).
10. Finish turn diameter Ø54.2 mm over length 79.8 mm (from Z=0.0 to Z=79.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø64.3 mm and length at least 151.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.3 mm over length 66.8 mm (from Z=0.0 to Z=66.8).
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 Ø56.0 mm over length 57.1 mm (from Z=0.0 to Z=79.2).
9. Finish turn diameter Ø36.3 mm over length 22.1 mm (from Z=0.0 to Z=22.1).
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 Ø61.1 mm and length at least 300.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.1 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 Ø59.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.0 mm over length 52.6 mm (from Z=0.0 to Z=274.7).
10. Finish turn diameter Ø41.9 mm over length 20.3 mm (from Z=0.0 to Z=222.1).
11. Finish turn diameter Ø31.1 mm over length 69.7 mm (from Z=0.0 to Z=201.8).
12. Finish turn diameter Ø30.0 mm over length 132.1 mm (from Z=0.0 to Z=132.1).
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 Ø32.0 mm and length at least 112.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 68.9 mm (from Z=0.0 to Z=68.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø23.9 mm over length 38.8 mm (from Z=0.0 to Z=38.8).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 170.2 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 142.3 mm (from Z=0.0 to Z=142.3).
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 Ø22.9 mm over length 22.9 mm (from Z=0.0 to Z=22.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø72.2 mm and length at least 161.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.2 mm over length 34.3 mm (from Z=0.0 to Z=34.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø53.3 mm over length 45.4 mm (from Z=0.0 to Z=122.6).
9. Finish turn diameter Ø48.8 mm over length 12.4 mm (from Z=0.0 to Z=77.2).
10. Finish turn diameter Ø37.1 mm over length 6.8 mm (from Z=0.0 to Z=64.8).
11. Finish turn diameter Ø30.0 mm over length 58.0 mm (from Z=0.0 to Z=58.0).
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 Ø45.0 mm and length at least 225.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.0 mm over length 53.7 mm (from Z=0.0 to Z=53.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø31.5 mm over length 73.8 mm (from Z=0.0 to Z=166.6).
10. Finish turn diameter Ø30.0 mm over length 92.8 mm (from Z=0.0 to Z=92.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.9 mm and length at least 289.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.9 mm over length 11.3 mm (from Z=0.0 to Z=11.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 273.2 mm (from Z=0.0 to Z=273.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø69.9 mm and length at least 168.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.9 mm over length 12.7 mm (from Z=0.0 to Z=12.7).
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 Ø48.0 mm over length 26.2 mm (from Z=0.0 to Z=151.2).
9. Finish turn diameter Ø31.5 mm over length 48.4 mm (from Z=0.0 to Z=125.0).
10. Finish turn diameter Ø30.0 mm over length 76.6 mm (from Z=0.0 to Z=76.6).
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 C45) with diameter at least Ø56.6 mm and length at least 299.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.6 mm over length 52.0 mm (from Z=0.0 to Z=52.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.6 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 Ø43.0 mm over length 54.9 mm (from Z=0.0 to Z=242.3).
10. Finish turn diameter Ø30.0 mm over length 187.4 mm (from Z=0.0 to Z=187.4).
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 stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 155.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 99.0 mm (from Z=0.0 to Z=99.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø26.0 mm over length 51.9 mm (from Z=0.0 to Z=51.9).
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 Ø74.6 mm and length at least 67.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.6 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 Ø72.6 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 12.6 mm (from Z=0.0 to Z=50.4).
9. Finish turn diameter Ø41.6 mm over length 7.6 mm (from Z=0.0 to Z=37.8).
10. Finish turn diameter Ø38.6 mm over length 30.2 mm (from Z=0.0 to Z=30.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø36.0 mm and length at least 140.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.0 mm over length 40.4 mm (from Z=0.0 to Z=40.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.0 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 95.1 mm (from Z=0.0 to Z=95.1).
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 Ø65.8 mm and length at least 83.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.8 mm over length 22.0 mm (from Z=0.0 to Z=22.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.8 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 Ø51.3 mm over length 8.0 mm (from Z=0.0 to Z=56.0).
9. Finish turn diameter Ø47.3 mm over length 5.0 mm (from Z=0.0 to Z=48.0).
10. Finish turn diameter Ø31.0 mm over length 31.3 mm (from Z=0.0 to Z=43.0).
11. Finish turn diameter Ø30.0 mm over length 11.7 mm (from Z=0.0 to Z=11.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø39.1 mm and length at least 137.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.1 mm over length 40.5 mm (from Z=0.0 to Z=40.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.1 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 91.5 mm (from Z=0.0 to Z=91.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø41.9 mm and length at least 140.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.9 mm over length 16.5 mm (from Z=0.0 to Z=16.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.8 mm over length 6.4 mm (from Z=0.0 to Z=119.2).
10. Finish turn diameter Ø30.0 mm over length 112.8 mm (from Z=0.0 to Z=112.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø53.3 mm and length at least 203.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.3 mm over length 20.2 mm (from Z=0.0 to Z=20.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.6 mm over length 36.7 mm (from Z=0.0 to Z=178.7).
10. Finish turn diameter Ø31.7 mm over length 38.1 mm (from Z=0.0 to Z=142.0).
11. Finish turn diameter Ø30.0 mm over length 103.9 mm (from Z=0.0 to Z=103.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.9 mm and length at least 303.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.9 mm over length 67.4 mm (from Z=0.0 to Z=67.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.9 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 Ø49.4 mm over length 22.0 mm (from Z=0.0 to Z=230.9).
10. Finish turn diameter Ø35.3 mm over length 52.6 mm (from Z=0.0 to Z=208.9).
11. Finish turn diameter Ø30.0 mm over length 156.3 mm (from Z=0.0 to Z=156.3).
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 steel round bar (material 42CrMo4) with diameter at least Ø35.3 mm and length at least 263.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.3 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 Ø33.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 237.1 mm (from Z=0.0 to Z=237.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø79.8 mm and length at least 125.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.8 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 Ø77.8 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 Ø74.6 mm over length 42.7 mm (from Z=0.0 to Z=89.6).
9. Finish turn diameter Ø58.6 mm over length 46.9 mm (from Z=0.0 to Z=46.9).
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 Ø32.0 mm and length at least 272.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 190.1 mm (from Z=0.0 to Z=190.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.4 mm over length 77.2 mm (from Z=0.0 to Z=77.2).
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 16MnCr5) with diameter at least Ø35.9 mm and length at least 311.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.9 mm over length 32.9 mm (from Z=0.0 to Z=32.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 273.7 mm (from Z=0.0 to Z=273.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 321.4 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 232.4 mm (from Z=0.0 to Z=232.4).
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 Ø25.8 mm over length 84.0 mm (from Z=0.0 to Z=84.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø60.2 mm and length at least 276.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.2 mm over length 124.0 mm (from Z=0.0 to Z=124.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø50.0 mm over length 49.9 mm (from Z=0.0 to Z=147.0).
10. Finish turn diameter Ø39.5 mm over length 34.9 mm (from Z=0.0 to Z=97.1).
11. Finish turn diameter Ø30.0 mm over length 62.2 mm (from Z=0.0 to Z=62.2).
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 Ø35.8 mm and length at least 261.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.8 mm over length 57.8 mm (from Z=0.0 to Z=57.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 198.2 mm (from Z=0.0 to Z=198.2).
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 Ø69.1 mm and length at least 288.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.1 mm over length 62.7 mm (from Z=0.0 to Z=62.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 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 Ø47.7 mm over length 68.1 mm (from Z=0.0 to Z=220.4).
10. Finish turn diameter Ø37.3 mm over length 7.7 mm (from Z=0.0 to Z=152.3).
11. Finish turn diameter Ø30.0 mm over length 144.6 mm (from Z=0.0 to Z=144.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø49.9 mm and length at least 87.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.9 mm over length 16.7 mm (from Z=0.0 to Z=16.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.9 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 Ø39.3 mm over length 9.3 mm (from Z=0.0 to Z=65.3).
9. Finish turn diameter Ø30.0 mm over length 56.0 mm (from Z=0.0 to Z=56.0).
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 42CrMo4) with diameter at least Ø39.0 mm and length at least 290.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.0 mm over length 14.3 mm (from Z=0.0 to Z=14.3).
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 270.7 mm (from Z=0.0 to Z=270.7).
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 Ø41.2 mm and length at least 292.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.2 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 Ø39.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø34.5 mm over length 113.0 mm (from Z=0.0 to Z=220.7).
10. Finish turn diameter Ø30.0 mm over length 107.7 mm (from Z=0.0 to Z=107.7).
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 stainless steel round bar (material 1.4301) with diameter at least Ø62.0 mm and length at least 263.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.0 mm over length 115.3 mm (from Z=0.0 to Z=115.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø42.0 mm over length 68.8 mm (from Z=0.0 to Z=143.3).
10. Finish turn diameter Ø30.8 mm over length 74.5 mm (from Z=0.0 to Z=74.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø64.6 mm and length at least 160.0 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 28.4 mm (from Z=0.0 to Z=28.4).
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 Ø49.6 mm over length 20.4 mm (from Z=0.0 to Z=126.6).
9. Finish turn diameter Ø33.7 mm over length 79.4 mm (from Z=0.0 to Z=106.2).
10. Finish turn diameter Ø30.0 mm over length 26.8 mm (from Z=0.0 to Z=26.8).
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 Ø37.4 mm and length at least 157.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.4 mm over length 37.0 mm (from Z=0.0 to Z=37.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 115.4 mm (from Z=0.0 to Z=115.4).
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 Ø80.2 mm and length at least 272.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.2 mm over length 68.2 mm (from Z=0.0 to Z=68.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø71.2 mm over length 49.7 mm (from Z=0.0 to Z=199.5).
10. Finish turn diameter Ø54.7 mm over length 98.5 mm (from Z=0.0 to Z=149.8).
11. Finish turn diameter Ø51.1 mm over length 18.5 mm (from Z=0.0 to Z=51.3).
12. Finish turn diameter Ø34.7 mm over length 32.8 mm (from Z=0.0 to Z=32.8).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø62.1 mm and length at least 94.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.1 mm over length 40.1 mm (from Z=0.0 to Z=40.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.1 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 Ø50.6 mm over length 9.9 mm (from Z=0.0 to Z=49.1).
9. Finish turn diameter Ø43.2 mm over length 14.0 mm (from Z=0.0 to Z=39.2).
10. Finish turn diameter Ø30.0 mm over length 25.2 mm (from Z=0.0 to Z=25.2).
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 Ø69.1 mm and length at least 149.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.1 mm over length 26.1 mm (from Z=0.0 to Z=26.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 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 Ø54.3 mm over length 27.4 mm (from Z=0.0 to Z=118.1).
9. Finish turn diameter Ø44.2 mm over length 27.3 mm (from Z=0.0 to Z=90.7).
10. Finish turn diameter Ø36.4 mm over length 34.6 mm (from Z=0.0 to Z=63.4).
11. Finish turn diameter Ø30.0 mm over length 28.8 mm (from Z=0.0 to Z=28.8).
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 C45) with diameter at least Ø78.6 mm and length at least 262.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.6 mm over length 23.4 mm (from Z=0.0 to Z=23.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø70.2 mm over length 191.2 mm (from Z=0.0 to Z=234.4).
10. Finish turn diameter Ø50.8 mm over length 43.2 mm (from Z=0.0 to Z=43.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø46.2 mm and length at least 137.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.2 mm over length 6.4 mm (from Z=0.0 to Z=6.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø38.8 mm over length 62.0 mm (from Z=0.0 to Z=125.8).
9. Finish turn diameter Ø30.0 mm over length 63.8 mm (from Z=0.0 to Z=63.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] Generate 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 Ø34.9 mm and length at least 304.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.9 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 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 284.8 mm (from Z=0.0 to Z=284.8).
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 C45) with diameter at least Ø32.0 mm and length at least 242.2 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 144.4 mm (from Z=0.0 to Z=144.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø23.9 mm over length 92.8 mm (from Z=0.0 to Z=92.8).
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 Ø74.2 mm and length at least 283.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.2 mm over length 63.3 mm (from Z=0.0 to Z=63.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.7 mm over length 151.7 mm (from Z=0.0 to Z=214.8).
10. Finish turn diameter Ø48.2 mm over length 63.1 mm (from Z=0.0 to Z=63.1).
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 Ø32.0 mm and length at least 217.2 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 157.2 mm (from Z=0.0 to Z=157.2).
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 Ø21.2 mm over length 55.0 mm (from Z=0.0 to Z=55.0).
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 Ø81.0 mm and length at least 257.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.0 mm over length 47.1 mm (from Z=0.0 to Z=47.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.0 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 Ø62.3 mm over length 53.2 mm (from Z=0.0 to Z=205.6).
10. Finish turn diameter Ø58.2 mm over length 42.5 mm (from Z=0.0 to Z=152.4).
11. Finish turn diameter Ø40.2 mm over length 63.3 mm (from Z=0.0 to Z=109.9).
12. Finish turn diameter Ø30.0 mm over length 46.6 mm (from Z=0.0 to Z=46.6).
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 Ø32.3 mm and length at least 265.0 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 60.1 mm (from Z=0.0 to Z=60.1).
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 199.9 mm (from Z=0.0 to Z=199.9).
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 Ø45.2 mm and length at least 252.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.2 mm over length 23.6 mm (from Z=0.0 to Z=23.6).
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 224.1 mm (from Z=0.0 to Z=224.1).
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 Ø54.1 mm and length at least 194.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.1 mm over length 27.2 mm (from Z=0.0 to Z=27.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.1 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 Ø44.8 mm over length 135.0 mm (from Z=0.0 to Z=162.2).
10. Finish turn diameter Ø32.9 mm over length 27.2 mm (from Z=0.0 to Z=27.2).
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 Ø69.6 mm and length at least 233.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.6 mm over length 119.0 mm (from Z=0.0 to Z=119.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø61.6 mm over length 40.3 mm (from Z=0.0 to Z=109.5).
10. Finish turn diameter Ø53.6 mm over length 69.2 mm (from Z=0.0 to Z=69.2).
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 Ø74.8 mm and length at least 292.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.8 mm over length 96.4 mm (from Z=0.0 to Z=96.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø54.7 mm over length 77.3 mm (from Z=0.0 to Z=190.9).
10. Finish turn diameter Ø47.1 mm over length 77.6 mm (from Z=0.0 to Z=113.6).
11. Finish turn diameter Ø38.0 mm over length 36.0 mm (from Z=0.0 to Z=36.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User] 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 Ø51.5 mm and length at least 298.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.5 mm over length 73.7 mm (from Z=0.0 to Z=73.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.5 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 Ø38.8 mm over length 116.5 mm (from Z=0.0 to Z=219.3).
10. Finish turn diameter Ø30.0 mm over length 102.8 mm (from Z=0.0 to Z=102.8).
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 Ø47.1 mm and length at least 257.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.1 mm over length 84.1 mm (from Z=0.0 to Z=84.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø38.5 mm over length 55.4 mm (from Z=0.0 to Z=168.3).
10. Finish turn diameter Ø30.0 mm over length 112.9 mm (from Z=0.0 to Z=112.9).
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 stainless steel round bar (material 1.4301) with diameter at least Ø56.9 mm and length at least 165.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.9 mm over length 12.7 mm (from Z=0.0 to Z=12.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø41.3 mm over length 65.8 mm (from Z=0.0 to Z=147.9).
9. Finish turn diameter Ø34.3 mm over length 82.1 mm (from Z=0.0 to Z=82.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø52.9 mm and length at least 150.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.9 mm over length 67.3 mm (from Z=0.0 to Z=67.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.9 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 Ø34.1 mm over length 17.1 mm (from Z=0.0 to Z=78.6).
9. Finish turn diameter Ø30.0 mm over length 61.5 mm (from Z=0.0 to Z=61.5).
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 C45) with diameter at least Ø59.8 mm and length at least 276.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.8 mm over length 23.3 mm (from Z=0.0 to Z=23.3).
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. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø52.0 mm over length 76.4 mm (from Z=0.0 to Z=248.6).
10. Finish turn diameter Ø43.2 mm over length 172.2 mm (from Z=0.0 to Z=172.2).
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 Ø55.9 mm and length at least 194.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.9 mm over length 9.3 mm (from Z=0.0 to Z=9.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø46.5 mm over length 54.1 mm (from Z=0.0 to Z=180.2).
9. Finish turn diameter Ø41.4 mm over length 54.8 mm (from Z=0.0 to Z=126.1).
10. Finish turn diameter Ø30.0 mm over length 71.3 mm (from Z=0.0 to Z=71.3).
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 steel round bar (material 42CrMo4) with diameter at least Ø77.7 mm and length at least 324.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.7 mm over length 61.9 mm (from Z=0.0 to Z=61.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø57.2 mm over length 38.8 mm (from Z=0.0 to Z=257.3).
10. Finish turn diameter Ø51.1 mm over length 65.9 mm (from Z=0.0 to Z=218.5).
11. Finish turn diameter Ø34.9 mm over length 63.6 mm (from Z=0.0 to Z=152.6).
12. Finish turn diameter Ø30.0 mm over length 89.0 mm (from Z=0.0 to Z=89.0).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 151.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 111.4 mm (from Z=0.0 to Z=111.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø22.6 mm over length 34.9 mm (from Z=0.0 to Z=34.9).
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 Ø32.0 mm and length at least 196.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 116.6 mm (from Z=0.0 to Z=116.6).
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 Ø27.6 mm over length 74.5 mm (from Z=0.0 to Z=74.5).
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 Ø49.2 mm and length at least 275.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.2 mm over length 93.9 mm (from Z=0.0 to Z=93.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.2 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 177.0 mm (from Z=0.0 to Z=177.0).
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 Ø75.4 mm and length at least 217.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.4 mm over length 46.6 mm (from Z=0.0 to Z=46.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.7 mm over length 97.9 mm (from Z=0.0 to Z=166.2).
10. Finish turn diameter Ø46.5 mm over length 68.3 mm (from Z=0.0 to Z=68.3).
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 steel round bar (material 42CrMo4) with diameter at least Ø46.3 mm and length at least 121.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.3 mm over length 13.8 mm (from Z=0.0 to Z=13.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.3 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 Ø41.1 mm over length 26.6 mm (from Z=0.0 to Z=102.7).
9. Finish turn diameter Ø36.9 mm over length 40.8 mm (from Z=0.0 to Z=76.1).
10. Finish turn diameter Ø30.0 mm over length 35.3 mm (from Z=0.0 to Z=35.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.