[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 Ø46.0 mm and length at least 324.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.0 mm over length 80.6 mm (from Z=0.0 to Z=80.6).
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 Ø30.0 mm over length 238.4 mm (from Z=0.0 to Z=238.4).
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 Ø65.2 mm and length at least 246.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.2 mm over length 97.1 mm (from Z=0.0 to Z=97.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.1 mm over length 42.0 mm (from Z=0.0 to Z=144.5).
10. Finish turn diameter Ø35.4 mm over length 102.5 mm (from Z=0.0 to Z=102.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø45.6 mm and length at least 301.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.6 mm over length 127.0 mm (from Z=0.0 to Z=127.0).
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. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.4 mm over length 32.6 mm (from Z=0.0 to Z=169.1).
10. Finish turn diameter Ø31.6 mm over length 50.3 mm (from Z=0.0 to Z=136.5).
11. Finish turn diameter Ø30.0 mm over length 86.2 mm (from Z=0.0 to Z=86.2).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø39.1 mm and length at least 207.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.1 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 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 155.0 mm (from Z=0.0 to Z=155.0).
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 Ø66.9 mm and length at least 251.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.9 mm over length 65.2 mm (from Z=0.0 to Z=65.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø47.8 mm over length 47.2 mm (from Z=0.0 to Z=180.9).
10. Finish turn diameter Ø35.8 mm over length 73.9 mm (from Z=0.0 to Z=133.7).
11. Finish turn diameter Ø30.0 mm over length 59.8 mm (from Z=0.0 to Z=59.8).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.5 mm and length at least 209.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.5 mm over length 100.8 mm (from Z=0.0 to Z=100.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.5 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 Ø68.4 mm over length 22.4 mm (from Z=0.0 to Z=104.1).
10. Finish turn diameter Ø57.9 mm over length 12.2 mm (from Z=0.0 to Z=81.7).
11. Finish turn diameter Ø51.5 mm over length 52.4 mm (from Z=0.0 to Z=69.5).
12. Finish turn diameter Ø31.5 mm over length 17.1 mm (from Z=0.0 to Z=17.1).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø43.4 mm and length at least 209.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.4 mm over length 80.0 mm (from Z=0.0 to Z=80.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 124.4 mm (from Z=0.0 to Z=124.4).
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 Ø52.2 mm and length at least 211.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.2 mm over length 72.9 mm (from Z=0.0 to Z=72.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.2 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 Ø30.3 mm over length 67.1 mm (from Z=0.0 to Z=133.9).
10. Finish turn diameter Ø30.0 mm over length 66.8 mm (from Z=0.0 to Z=66.8).
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 Ø74.9 mm and length at least 71.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.9 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø64.5 mm over length 23.6 mm (from Z=0.0 to Z=61.5).
9. Finish turn diameter Ø59.0 mm over length 7.1 mm (from Z=0.0 to Z=37.9).
10. Finish turn diameter Ø56.0 mm over length 30.8 mm (from Z=0.0 to Z=30.8).
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 Ø46.7 mm and length at least 87.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.7 mm over length 6.6 mm (from Z=0.0 to Z=6.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø32.5 mm over length 25.8 mm (from Z=0.0 to Z=76.3).
9. Finish turn diameter Ø30.0 mm over length 50.5 mm (from Z=0.0 to Z=50.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø66.7 mm and length at least 260.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.7 mm over length 18.1 mm (from Z=0.0 to Z=18.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø48.7 mm over length 124.5 mm (from Z=0.0 to Z=237.5).
10. Finish turn diameter Ø36.4 mm over length 113.0 mm (from Z=0.0 to Z=113.0).
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 Ø56.7 mm and length at least 306.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.7 mm over length 28.1 mm (from Z=0.0 to Z=28.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.7 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 Ø41.6 mm over length 126.7 mm (from Z=0.0 to Z=273.6).
10. Finish turn diameter Ø34.3 mm over length 35.2 mm (from Z=0.0 to Z=146.9).
11. Finish turn diameter Ø30.0 mm over length 111.7 mm (from Z=0.0 to Z=111.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø59.4 mm and length at least 276.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.4 mm over length 99.8 mm (from Z=0.0 to Z=99.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.4 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 Ø52.8 mm over length 119.6 mm (from Z=0.0 to Z=171.7).
10. Finish turn diameter Ø41.5 mm over length 52.1 mm (from Z=0.0 to Z=52.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø66.7 mm and length at least 324.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.7 mm over length 115.3 mm (from Z=0.0 to Z=115.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø60.4 mm over length 100.1 mm (from Z=0.0 to Z=204.3).
10. Finish turn diameter Ø44.3 mm over length 104.2 mm (from Z=0.0 to Z=104.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø54.5 mm and length at least 203.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.5 mm over length 40.0 mm (from Z=0.0 to Z=40.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø38.4 mm over length 44.9 mm (from Z=0.0 to Z=158.7).
10. Finish turn diameter Ø30.0 mm over length 113.8 mm (from Z=0.0 to Z=113.8).
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 Ø62.9 mm and length at least 229.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.9 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 Ø60.9 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 Ø46.8 mm over length 70.3 mm (from Z=0.0 to Z=172.6).
10. Finish turn diameter Ø32.3 mm over length 102.3 mm (from Z=0.0 to Z=102.3).
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 Ø32.0 mm and length at least 195.6 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 179.7 mm (from Z=0.0 to Z=179.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø29.2 mm over length 10.9 mm (from Z=0.0 to Z=10.9).
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 Ø78.1 mm and length at least 270.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.1 mm over length 30.8 mm (from Z=0.0 to Z=30.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.1 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 Ø57.6 mm over length 159.4 mm (from Z=0.0 to Z=235.1).
10. Finish turn diameter Ø52.3 mm over length 75.7 mm (from Z=0.0 to Z=75.7).
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 Ø43.1 mm and length at least 304.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.1 mm over length 68.4 mm (from Z=0.0 to Z=68.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.9 mm over length 119.8 mm (from Z=0.0 to Z=231.2).
10. Finish turn diameter Ø30.0 mm over length 111.4 mm (from Z=0.0 to Z=111.4).
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 Ø42.5 mm and length at least 218.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.5 mm over length 129.2 mm (from Z=0.0 to Z=129.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.4 mm over length 30.5 mm (from Z=0.0 to Z=84.5).
10. Finish turn diameter Ø30.0 mm over length 54.0 mm (from Z=0.0 to Z=54.0).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø59.6 mm and length at least 123.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.6 mm over length 43.6 mm (from Z=0.0 to Z=43.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø50.5 mm over length 33.3 mm (from Z=0.0 to Z=75.3).
9. Finish turn diameter Ø34.1 mm over length 42.0 mm (from Z=0.0 to Z=42.0).
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 Ø81.8 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 Ø79.8 mm over length 12.2 mm (from Z=0.0 to Z=12.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.8 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 Ø66.0 mm over length 16.7 mm (from Z=0.0 to Z=65.8).
9. Finish turn diameter Ø47.3 mm over length 18.9 mm (from Z=0.0 to Z=49.1).
10. Finish turn diameter Ø33.5 mm over length 20.2 mm (from Z=0.0 to Z=30.2).
11. Finish turn diameter Ø30.0 mm over length 10.0 mm (from Z=0.0 to Z=10.0).
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 Ø57.2 mm and length at least 251.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.2 mm over length 53.1 mm (from Z=0.0 to Z=53.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø40.5 mm over length 12.6 mm (from Z=0.0 to Z=193.4).
10. Finish turn diameter Ø34.0 mm over length 50.2 mm (from Z=0.0 to Z=180.8).
11. Finish turn diameter Ø30.0 mm over length 130.6 mm (from Z=0.0 to Z=130.6).
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 Ø62.5 mm and length at least 302.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.5 mm over length 21.5 mm (from Z=0.0 to Z=21.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.5 mm over length 70.3 mm (from Z=0.0 to Z=275.8).
10. Finish turn diameter Ø45.4 mm over length 62.6 mm (from Z=0.0 to Z=205.5).
11. Finish turn diameter Ø38.6 mm over length 77.6 mm (from Z=0.0 to Z=142.9).
12. Finish turn diameter Ø35.2 mm over length 29.4 mm (from Z=0.0 to Z=65.3).
13. Finish turn diameter Ø30.0 mm over length 35.9 mm (from Z=0.0 to Z=35.9).
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 Ø56.0 mm and length at least 323.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.0 mm over length 118.3 mm (from Z=0.0 to Z=118.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø38.2 mm over length 28.0 mm (from Z=0.0 to Z=200.6).
10. Finish turn diameter Ø35.1 mm over length 44.0 mm (from Z=0.0 to Z=172.6).
11. Finish turn diameter Ø30.0 mm over length 128.6 mm (from Z=0.0 to Z=128.6).
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 Ø53.7 mm and length at least 240.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.7 mm over length 21.4 mm (from Z=0.0 to Z=21.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø43.1 mm over length 51.0 mm (from Z=0.0 to Z=214.3).
10. Finish turn diameter Ø30.0 mm over length 163.3 mm (from Z=0.0 to Z=163.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] Generate 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 103.7 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 85.3 mm (from Z=0.0 to Z=85.3).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø26.3 mm over length 13.4 mm (from Z=0.0 to Z=13.4).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø70.5 mm and length at least 295.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.5 mm over length 95.7 mm (from Z=0.0 to Z=95.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.3 mm over length 68.0 mm (from Z=0.0 to Z=194.8).
10. Finish turn diameter Ø54.8 mm over length 79.1 mm (from Z=0.0 to Z=126.8).
11. Finish turn diameter Ø40.0 mm over length 47.7 mm (from Z=0.0 to Z=47.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø38.5 mm and length at least 301.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.5 mm over length 21.9 mm (from Z=0.0 to Z=21.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 274.5 mm (from Z=0.0 to Z=274.5).
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 Ø32.0 mm and length at least 257.1 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 229.0 mm (from Z=0.0 to Z=229.0).
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 Ø21.8 mm over length 23.1 mm (from Z=0.0 to Z=23.1).
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 Ø63.5 mm and length at least 138.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.5 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 Ø61.5 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 Ø53.6 mm over length 22.6 mm (from Z=0.0 to Z=120.8).
9. Finish turn diameter Ø50.0 mm over length 40.1 mm (from Z=0.0 to Z=98.2).
10. Finish turn diameter Ø41.5 mm over length 43.2 mm (from Z=0.0 to Z=58.1).
11. Finish turn diameter Ø30.0 mm over length 14.9 mm (from Z=0.0 to Z=14.9).
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 Ø69.5 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 Ø67.5 mm over length 112.9 mm (from Z=0.0 to Z=112.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.5 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 Ø63.1 mm over length 93.9 mm (from Z=0.0 to Z=107.7).
10. Finish turn diameter Ø54.9 mm over length 13.8 mm (from Z=0.0 to Z=13.8).
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 C45) with diameter at least Ø58.4 mm and length at least 302.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.4 mm over length 103.4 mm (from Z=0.0 to Z=103.4).
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 Ø43.5 mm over length 116.8 mm (from Z=0.0 to Z=194.4).
10. Finish turn diameter Ø37.9 mm over length 77.6 mm (from Z=0.0 to Z=77.6).
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 Ø68.7 mm and length at least 294.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.7 mm over length 33.1 mm (from Z=0.0 to Z=33.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø54.2 mm over length 54.1 mm (from Z=0.0 to Z=256.8).
10. Finish turn diameter Ø39.8 mm over length 55.9 mm (from Z=0.0 to Z=202.7).
11. Finish turn diameter Ø30.0 mm over length 146.8 mm (from Z=0.0 to Z=146.8).
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 Ø32.0 mm and length at least 247.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 214.6 mm (from Z=0.0 to Z=214.6).
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 Ø28.6 mm over length 28.3 mm (from Z=0.0 to Z=28.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 273.7 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 190.8 mm (from Z=0.0 to Z=190.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø28.7 mm over length 77.9 mm (from Z=0.0 to Z=77.9).
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 Ø56.5 mm and length at least 172.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.5 mm over length 57.6 mm (from Z=0.0 to Z=57.6).
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 Ø42.5 mm over length 21.5 mm (from Z=0.0 to Z=109.5).
9. Finish turn diameter Ø35.1 mm over length 39.2 mm (from Z=0.0 to Z=88.0).
10. Finish turn diameter Ø30.0 mm over length 48.8 mm (from Z=0.0 to Z=48.8).
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 Ø72.9 mm and length at least 97.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.9 mm over length 38.4 mm (from Z=0.0 to Z=38.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.9 mm over length 18.5 mm (from Z=0.0 to Z=53.7).
9. Finish turn diameter Ø54.7 mm over length 9.7 mm (from Z=0.0 to Z=35.2).
10. Finish turn diameter Ø42.6 mm over length 25.5 mm (from Z=0.0 to Z=25.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø72.5 mm and length at least 186.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.5 mm over length 8.8 mm (from Z=0.0 to Z=8.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø54.4 mm over length 82.2 mm (from Z=0.0 to Z=173.0).
9. Finish turn diameter Ø51.2 mm over length 82.9 mm (from Z=0.0 to Z=90.8).
10. Finish turn diameter Ø41.1 mm over length 7.9 mm (from Z=0.0 to Z=7.9).
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 Ø35.3 mm and length at least 73.2 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 13.0 mm (from Z=0.0 to Z=13.0).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 55.2 mm (from Z=0.0 to Z=55.2).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø76.4 mm and length at least 102.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.4 mm over length 20.7 mm (from Z=0.0 to Z=20.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.4 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 Ø55.7 mm over length 52.4 mm (from Z=0.0 to Z=77.1).
9. Finish turn diameter Ø49.7 mm over length 9.2 mm (from Z=0.0 to Z=24.7).
10. Finish turn diameter Ø30.8 mm over length 15.5 mm (from Z=0.0 to Z=15.5).
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 Ø70.8 mm and length at least 278.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.8 mm over length 15.5 mm (from Z=0.0 to Z=15.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.8 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 Ø59.0 mm over length 37.6 mm (from Z=0.0 to Z=257.7).
10. Finish turn diameter Ø45.2 mm over length 60.8 mm (from Z=0.0 to Z=220.1).
11. Finish turn diameter Ø39.6 mm over length 55.3 mm (from Z=0.0 to Z=159.3).
12. Finish turn diameter Ø30.0 mm over length 104.0 mm (from Z=0.0 to Z=104.0).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø65.0 mm and length at least 301.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.0 mm over length 43.5 mm (from Z=0.0 to Z=43.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø57.4 mm over length 35.1 mm (from Z=0.0 to Z=253.1).
10. Finish turn diameter Ø51.4 mm over length 52.8 mm (from Z=0.0 to Z=218.0).
11. Finish turn diameter Ø33.1 mm over length 39.0 mm (from Z=0.0 to Z=165.2).
12. Finish turn diameter Ø30.0 mm over length 126.2 mm (from Z=0.0 to Z=126.2).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø41.6 mm and length at least 189.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.6 mm over length 68.2 mm (from Z=0.0 to Z=68.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 116.2 mm (from Z=0.0 to Z=116.2).
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 Ø69.4 mm and length at least 84.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.4 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 Ø67.4 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 Ø62.2 mm over length 23.0 mm (from Z=0.0 to Z=74.3).
9. Finish turn diameter Ø52.4 mm over length 21.2 mm (from Z=0.0 to Z=51.3).
10. Finish turn diameter Ø45.1 mm over length 15.4 mm (from Z=0.0 to Z=30.1).
11. Finish turn diameter Ø31.6 mm over length 5.7 mm (from Z=0.0 to Z=14.7).
12. Finish turn diameter Ø30.0 mm over length 9.0 mm (from Z=0.0 to Z=9.0).
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 Ø50.0 mm and length at least 287.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.0 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 Ø48.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø32.9 mm over length 19.7 mm (from Z=0.0 to Z=241.9).
10. Finish turn diameter Ø30.0 mm over length 222.2 mm (from Z=0.0 to Z=222.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø63.9 mm and length at least 280.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.9 mm over length 29.3 mm (from Z=0.0 to Z=29.3).
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. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.4 mm over length 126.9 mm (from Z=0.0 to Z=246.0).
10. Finish turn diameter Ø52.2 mm over length 119.1 mm (from Z=0.0 to Z=119.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø74.6 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 Ø72.6 mm over length 31.2 mm (from Z=0.0 to Z=31.2).
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 Ø58.2 mm over length 25.4 mm (from Z=0.0 to Z=97.8).
9. Finish turn diameter Ø54.8 mm over length 30.2 mm (from Z=0.0 to Z=72.4).
10. Finish turn diameter Ø40.9 mm over length 6.1 mm (from Z=0.0 to Z=42.2).
11. Finish turn diameter Ø30.3 mm over length 20.3 mm (from Z=0.0 to Z=36.1).
12. Finish turn diameter Ø30.0 mm over length 15.8 mm (from Z=0.0 to Z=15.8).
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 Ø51.7 mm and length at least 210.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.7 mm over length 40.3 mm (from Z=0.0 to Z=40.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.7 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 Ø44.8 mm over length 25.3 mm (from Z=0.0 to Z=165.5).
10. Finish turn diameter Ø32.4 mm over length 38.5 mm (from Z=0.0 to Z=140.2).
11. Finish turn diameter Ø30.0 mm over length 101.7 mm (from Z=0.0 to Z=101.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø78.6 mm and length at least 144.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.6 mm over length 54.8 mm (from Z=0.0 to Z=54.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.6 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 Ø68.2 mm over length 11.9 mm (from Z=0.0 to Z=84.8).
9. Finish turn diameter Ø57.1 mm over length 41.5 mm (from Z=0.0 to Z=72.9).
10. Finish turn diameter Ø47.0 mm over length 31.4 mm (from Z=0.0 to Z=31.4).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 194.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 125.8 mm (from Z=0.0 to Z=125.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.0 mm over length 63.8 mm (from Z=0.0 to Z=63.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User] 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 Ø41.5 mm and length at least 111.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.5 mm over length 18.9 mm (from Z=0.0 to Z=18.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 87.7 mm (from Z=0.0 to Z=87.7).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø44.7 mm and length at least 119.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.7 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 Ø42.7 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 Ø36.5 mm over length 21.9 mm (from Z=0.0 to Z=90.4).
9. Finish turn diameter Ø30.0 mm over length 68.5 mm (from Z=0.0 to Z=68.5).
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 Ø56.3 mm and length at least 298.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.3 mm over length 66.4 mm (from Z=0.0 to Z=66.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø34.3 mm over length 57.9 mm (from Z=0.0 to Z=227.0).
10. Finish turn diameter Ø30.0 mm over length 169.1 mm (from Z=0.0 to Z=169.1).
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 Ø32.5 mm and length at least 319.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.5 mm over length 27.8 mm (from Z=0.0 to Z=27.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 286.7 mm (from Z=0.0 to Z=286.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø77.3 mm and length at least 142.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.3 mm over length 23.0 mm (from Z=0.0 to Z=23.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø75.3 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 Ø56.7 mm over length 38.9 mm (from Z=0.0 to Z=114.8).
9. Finish turn diameter Ø40.7 mm over length 10.7 mm (from Z=0.0 to Z=75.9).
10. Finish turn diameter Ø30.0 mm over length 65.2 mm (from Z=0.0 to Z=65.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 191.2 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 116.8 mm (from Z=0.0 to Z=116.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø26.0 mm over length 69.4 mm (from Z=0.0 to Z=69.4).
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 Ø32.0 mm and length at least 166.1 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 66.7 mm (from Z=0.0 to Z=66.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø19.4 mm over length 94.4 mm (from Z=0.0 to Z=94.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø65.4 mm and length at least 122.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.4 mm over length 15.9 mm (from Z=0.0 to Z=15.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø54.3 mm over length 57.3 mm (from Z=0.0 to Z=102.0).
9. Finish turn diameter Ø43.6 mm over length 30.8 mm (from Z=0.0 to Z=44.7).
10. Finish turn diameter Ø30.0 mm over length 13.9 mm (from Z=0.0 to Z=13.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø64.2 mm and length at least 115.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.2 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 Ø62.2 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 Ø49.0 mm over length 5.0 mm (from Z=0.0 to Z=80.9).
9. Finish turn diameter Ø36.1 mm over length 28.1 mm (from Z=0.0 to Z=75.9).
10. Finish turn diameter Ø30.0 mm over length 47.8 mm (from Z=0.0 to Z=47.8).
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 Ø76.8 mm and length at least 91.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.8 mm over length 25.2 mm (from Z=0.0 to Z=25.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø59.9 mm over length 30.0 mm (from Z=0.0 to Z=61.7).
9. Finish turn diameter Ø45.3 mm over length 9.1 mm (from Z=0.0 to Z=31.7).
10. Finish turn diameter Ø42.0 mm over length 10.6 mm (from Z=0.0 to Z=22.6).
11. Finish turn diameter Ø35.9 mm over length 12.0 mm (from Z=0.0 to Z=12.0).
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 Ø66.6 mm and length at least 263.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.6 mm over length 87.0 mm (from Z=0.0 to Z=87.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø52.4 mm over length 56.4 mm (from Z=0.0 to Z=171.3).
10. Finish turn diameter Ø41.4 mm over length 13.4 mm (from Z=0.0 to Z=114.9).
11. Finish turn diameter Ø32.1 mm over length 101.5 mm (from Z=0.0 to Z=101.5).
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 Ø44.4 mm and length at least 90.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.4 mm over length 36.3 mm (from Z=0.0 to Z=36.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø32.8 mm over length 12.0 mm (from Z=0.0 to Z=49.6).
9. Finish turn diameter Ø30.0 mm over length 37.6 mm (from Z=0.0 to Z=37.6).
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 42CrMo4) with diameter at least Ø39.3 mm and length at least 135.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.3 mm over length 22.9 mm (from Z=0.0 to Z=22.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 107.9 mm (from Z=0.0 to Z=107.9).
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 Ø54.8 mm and length at least 207.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.8 mm over length 71.0 mm (from Z=0.0 to Z=71.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø34.5 mm over length 24.3 mm (from Z=0.0 to Z=131.9).
10. Finish turn diameter Ø30.0 mm over length 107.6 mm (from Z=0.0 to Z=107.6).
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 Ø35.0 mm and length at least 316.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.0 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 Ø33.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 291.5 mm (from Z=0.0 to Z=291.5).
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 Ø35.6 mm and length at least 186.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.6 mm over length 51.6 mm (from Z=0.0 to Z=51.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 129.7 mm (from Z=0.0 to Z=129.7).
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 Ø55.6 mm and length at least 181.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.6 mm over length 52.9 mm (from Z=0.0 to Z=52.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø46.3 mm over length 49.5 mm (from Z=0.0 to Z=123.7).
9. Finish turn diameter Ø33.9 mm over length 26.1 mm (from Z=0.0 to Z=74.2).
10. Finish turn diameter Ø30.0 mm over length 48.1 mm (from Z=0.0 to Z=48.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø50.2 mm and length at least 287.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.2 mm over length 76.4 mm (from Z=0.0 to Z=76.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.2 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 Ø43.9 mm over length 73.4 mm (from Z=0.0 to Z=206.0).
10. Finish turn diameter Ø34.4 mm over length 84.3 mm (from Z=0.0 to Z=132.6).
11. Finish turn diameter Ø30.0 mm over length 48.3 mm (from Z=0.0 to Z=48.3).
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 Ø64.4 mm and length at least 110.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.4 mm over length 10.8 mm (from Z=0.0 to Z=10.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.4 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 Ø51.8 mm over length 12.3 mm (from Z=0.0 to Z=94.3).
9. Finish turn diameter Ø47.8 mm over length 24.1 mm (from Z=0.0 to Z=82.0).
10. Finish turn diameter Ø38.0 mm over length 14.7 mm (from Z=0.0 to Z=57.9).
11. Finish turn diameter Ø32.0 mm over length 14.1 mm (from Z=0.0 to Z=43.2).
12. Finish turn diameter Ø30.0 mm over length 29.1 mm (from Z=0.0 to Z=29.1).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User] 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 Ø39.2 mm and length at least 245.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.2 mm over length 28.8 mm (from Z=0.0 to Z=28.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.2 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 Ø30.6 mm over length 66.1 mm (from Z=0.0 to Z=212.0).
10. Finish turn diameter Ø30.0 mm over length 145.9 mm (from Z=0.0 to Z=145.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø81.7 mm and length at least 155.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.7 mm over length 58.9 mm (from Z=0.0 to Z=58.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø72.8 mm over length 52.1 mm (from Z=0.0 to Z=91.9).
9. Finish turn diameter Ø56.4 mm over length 7.1 mm (from Z=0.0 to Z=39.8).
10. Finish turn diameter Ø41.3 mm over length 32.7 mm (from Z=0.0 to Z=32.7).
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 Ø52.2 mm and length at least 121.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.2 mm over length 17.2 mm (from Z=0.0 to Z=17.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.2 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 Ø34.1 mm over length 15.1 mm (from Z=0.0 to Z=99.6).
9. Finish turn diameter Ø30.0 mm over length 84.5 mm (from Z=0.0 to Z=84.5).
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 Ø42.3 mm and length at least 85.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.3 mm over length 18.8 mm (from Z=0.0 to Z=18.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.3 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 Ø30.0 mm over length 61.2 mm (from Z=0.0 to Z=61.2).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.9 mm and length at least 111.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.9 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 Ø30.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 78.3 mm (from Z=0.0 to Z=78.3).
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 Ø55.1 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 Ø53.1 mm over length 22.3 mm (from Z=0.0 to Z=22.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø45.2 mm over length 43.1 mm (from Z=0.0 to Z=176.6).
10. Finish turn diameter Ø30.0 mm over length 133.5 mm (from Z=0.0 to Z=133.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø54.0 mm and length at least 170.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.0 mm over length 21.8 mm (from Z=0.0 to Z=21.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.0 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 Ø39.7 mm over length 58.5 mm (from Z=0.0 to Z=143.3).
9. Finish turn diameter Ø30.0 mm over length 84.8 mm (from Z=0.0 to Z=84.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø78.3 mm and length at least 162.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.3 mm over length 46.3 mm (from Z=0.0 to Z=46.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.8 mm over length 15.4 mm (from Z=0.0 to Z=111.3).
9. Finish turn diameter Ø50.5 mm over length 45.9 mm (from Z=0.0 to Z=95.9).
10. Finish turn diameter Ø38.4 mm over length 13.1 mm (from Z=0.0 to Z=50.0).
11. Finish turn diameter Ø30.0 mm over length 36.9 mm (from Z=0.0 to Z=36.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø65.5 mm and length at least 286.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.5 mm over length 105.5 mm (from Z=0.0 to Z=105.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø56.2 mm over length 15.1 mm (from Z=0.0 to Z=175.7).
10. Finish turn diameter Ø51.2 mm over length 160.6 mm (from Z=0.0 to Z=160.6).
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 Ø68.9 mm and length at least 122.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.9 mm over length 29.6 mm (from Z=0.0 to Z=29.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.9 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 Ø61.3 mm over length 34.1 mm (from Z=0.0 to Z=88.3).
9. Finish turn diameter Ø47.1 mm over length 15.4 mm (from Z=0.0 to Z=54.2).
10. Finish turn diameter Ø30.9 mm over length 38.8 mm (from Z=0.0 to Z=38.8).
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 Ø33.0 mm and length at least 213.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.0 mm over length 24.1 mm (from Z=0.0 to Z=24.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.0 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 184.8 mm (from Z=0.0 to Z=184.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø35.3 mm and length at least 305.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.3 mm over length 31.1 mm (from Z=0.0 to Z=31.1).
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 269.4 mm (from Z=0.0 to Z=269.4).
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 Ø36.8 mm and length at least 267.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.8 mm over length 98.3 mm (from Z=0.0 to Z=98.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 164.4 mm (from Z=0.0 to Z=164.4).
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 stainless steel round bar (material 1.4301) with diameter at least Ø65.6 mm and length at least 285.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.6 mm over length 50.9 mm (from Z=0.0 to Z=50.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with 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 55.5 mm (from Z=0.0 to Z=229.6).
10. Finish turn diameter Ø33.4 mm over length 50.5 mm (from Z=0.0 to Z=174.1).
11. Finish turn diameter Ø30.0 mm over length 123.6 mm (from Z=0.0 to Z=123.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø42.7 mm and length at least 306.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.7 mm over length 120.4 mm (from Z=0.0 to Z=120.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with 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 180.7 mm (from Z=0.0 to Z=180.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø45.7 mm and length at least 266.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.7 mm over length 51.5 mm (from Z=0.0 to Z=51.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.7 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 209.8 mm (from Z=0.0 to Z=209.8).
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 Ø49.7 mm and length at least 311.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.7 mm over length 51.5 mm (from Z=0.0 to Z=51.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.7 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 Ø33.0 mm over length 71.1 mm (from Z=0.0 to Z=255.2).
10. Finish turn diameter Ø30.0 mm over length 184.1 mm (from Z=0.0 to Z=184.1).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø66.6 mm and length at least 211.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.6 mm over length 101.9 mm (from Z=0.0 to Z=101.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.1 mm over length 48.1 mm (from Z=0.0 to Z=104.7).
10. Finish turn diameter Ø46.7 mm over length 56.6 mm (from Z=0.0 to Z=56.6).
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 Ø32.0 mm and length at least 123.1 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 79.2 mm (from Z=0.0 to Z=79.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø27.1 mm over length 38.9 mm (from Z=0.0 to Z=38.9).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø43.6 mm and length at least 160.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.6 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 Ø41.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø33.1 mm over length 44.2 mm (from Z=0.0 to Z=113.1).
9. Finish turn diameter Ø30.0 mm over length 68.9 mm (from Z=0.0 to Z=68.9).
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 Ø43.7 mm and length at least 115.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.7 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 Ø41.7 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 Ø31.8 mm over length 43.8 mm (from Z=0.0 to Z=74.5).
9. Finish turn diameter Ø30.0 mm over length 30.7 mm (from Z=0.0 to Z=30.7).
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 Ø81.7 mm and length at least 77.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.7 mm over length 12.9 mm (from Z=0.0 to Z=12.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø71.7 mm over length 10.9 mm (from Z=0.0 to Z=59.5).
9. Finish turn diameter Ø52.6 mm over length 17.8 mm (from Z=0.0 to Z=48.6).
10. Finish turn diameter Ø35.9 mm over length 10.7 mm (from Z=0.0 to Z=30.8).
11. Finish turn diameter Ø32.4 mm over length 5.0 mm (from Z=0.0 to Z=20.1).
12. Finish turn diameter Ø30.0 mm over length 15.1 mm (from Z=0.0 to Z=15.1).
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 C45) with diameter at least Ø61.2 mm and length at least 266.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.2 mm over length 15.1 mm (from Z=0.0 to Z=15.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.5 mm over length 120.5 mm (from Z=0.0 to Z=246.1).
10. Finish turn diameter Ø47.9 mm over length 125.6 mm (from Z=0.0 to Z=125.6).
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 Ø81.6 mm and length at least 279.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.6 mm over length 24.6 mm (from Z=0.0 to Z=24.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø71.7 mm over length 62.1 mm (from Z=0.0 to Z=250.3).
10. Finish turn diameter Ø63.1 mm over length 31.0 mm (from Z=0.0 to Z=188.2).
11. Finish turn diameter Ø43.3 mm over length 85.5 mm (from Z=0.0 to Z=157.2).
12. Finish turn diameter Ø30.0 mm over length 71.7 mm (from Z=0.0 to Z=71.7).
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 Ø32.0 mm and length at least 224.3 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 171.4 mm (from Z=0.0 to Z=171.4).
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 Ø29.0 mm over length 47.9 mm (from Z=0.0 to Z=47.9).
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 Ø57.3 mm and length at least 154.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.3 mm over length 13.5 mm (from Z=0.0 to Z=13.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø40.7 mm over length 47.3 mm (from Z=0.0 to Z=136.3).
9. Finish turn diameter Ø32.6 mm over length 47.9 mm (from Z=0.0 to Z=89.0).
10. Finish turn diameter Ø30.0 mm over length 41.1 mm (from Z=0.0 to Z=41.1).
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 Ø52.5 mm and length at least 157.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.5 mm over length 59.8 mm (from Z=0.0 to Z=59.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø47.0 mm over length 18.3 mm (from Z=0.0 to Z=93.0).
9. Finish turn diameter Ø35.9 mm over length 74.7 mm (from Z=0.0 to Z=74.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø73.2 mm and length at least 271.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.2 mm over length 107.4 mm (from Z=0.0 to Z=107.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø61.5 mm over length 58.3 mm (from Z=0.0 to Z=158.6).
10. Finish turn diameter Ø50.9 mm over length 33.1 mm (from Z=0.0 to Z=100.3).
11. Finish turn diameter Ø40.8 mm over length 67.2 mm (from Z=0.0 to Z=67.2).
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 16MnCr5) with diameter at least Ø40.8 mm and length at least 128.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.8 mm over length 22.3 mm (from Z=0.0 to Z=22.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.8 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 100.7 mm (from Z=0.0 to Z=100.7).
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 Ø36.2 mm and length at least 111.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.2 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 Ø34.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 81.6 mm (from Z=0.0 to Z=81.6).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø56.7 mm and length at least 270.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.7 mm over length 70.4 mm (from Z=0.0 to Z=70.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.7 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 Ø50.5 mm over length 13.7 mm (from Z=0.0 to Z=195.3).
10. Finish turn diameter Ø42.1 mm over length 50.6 mm (from Z=0.0 to Z=181.6).
11. Finish turn diameter Ø32.4 mm over length 85.6 mm (from Z=0.0 to Z=131.0).
12. Finish turn diameter Ø30.0 mm over length 45.4 mm (from Z=0.0 to Z=45.4).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø54.0 mm and length at least 309.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.0 mm over length 26.5 mm (from Z=0.0 to Z=26.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø46.4 mm over length 81.6 mm (from Z=0.0 to Z=278.0).
10. Finish turn diameter Ø34.4 mm over length 66.0 mm (from Z=0.0 to Z=196.4).
11. Finish turn diameter Ø30.0 mm over length 130.4 mm (from Z=0.0 to Z=130.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.5 mm and length at least 174.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.5 mm over length 63.8 mm (from Z=0.0 to Z=63.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.7 mm over length 12.2 mm (from Z=0.0 to Z=105.5).
10. Finish turn diameter Ø30.0 mm over length 93.3 mm (from Z=0.0 to Z=93.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User] Generate 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 172.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 145.4 mm (from Z=0.0 to Z=145.4).
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 Ø21.8 mm over length 21.6 mm (from Z=0.0 to Z=21.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø75.6 mm and length at least 240.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.6 mm over length 15.0 mm (from Z=0.0 to Z=15.0).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 Ø55.5 mm over length 39.5 mm (from Z=0.0 to Z=220.9).
10. Finish turn diameter Ø46.0 mm over length 39.3 mm (from Z=0.0 to Z=181.4).
11. Finish turn diameter Ø38.8 mm over length 6.9 mm (from Z=0.0 to Z=142.1).
12. Finish turn diameter Ø32.7 mm over length 60.9 mm (from Z=0.0 to Z=135.2).
13. Finish turn diameter Ø30.0 mm over length 74.3 mm (from Z=0.0 to Z=74.3).
14. Break all edges (e.g., 2×45° where applicable).
15. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø40.2 mm and length at least 114.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.2 mm over length 41.0 mm (from Z=0.0 to Z=41.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 68.0 mm (from Z=0.0 to Z=68.0).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø49.4 mm and length at least 116.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.4 mm over length 28.1 mm (from Z=0.0 to Z=28.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.4 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 Ø37.2 mm over length 25.4 mm (from Z=0.0 to Z=83.6).
9. Finish turn diameter Ø30.0 mm over length 58.2 mm (from Z=0.0 to Z=58.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.1 mm and length at least 198.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.1 mm over length 22.0 mm (from Z=0.0 to Z=22.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø46.3 mm over length 58.7 mm (from Z=0.0 to Z=171.8).
10. Finish turn diameter Ø40.7 mm over length 48.5 mm (from Z=0.0 to Z=113.1).
11. Finish turn diameter Ø30.0 mm over length 64.6 mm (from Z=0.0 to Z=64.6).
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 Ø79.2 mm and length at least 212.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.2 mm over length 9.2 mm (from Z=0.0 to Z=9.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø64.9 mm over length 17.9 mm (from Z=0.0 to Z=198.3).
10. Finish turn diameter Ø48.0 mm over length 9.3 mm (from Z=0.0 to Z=180.4).
11. Finish turn diameter Ø35.7 mm over length 37.6 mm (from Z=0.0 to Z=171.1).
12. Finish turn diameter Ø30.0 mm over length 133.5 mm (from Z=0.0 to Z=133.5).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.