[User] Generate 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 Ø35.9 mm and length at least 265.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.9 mm over length 101.3 mm (from Z=0.0 to Z=101.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 158.9 mm (from Z=0.0 to Z=158.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø34.6 mm and length at least 276.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.6 mm over length 85.0 mm (from Z=0.0 to Z=85.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 186.9 mm (from Z=0.0 to Z=186.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø78.9 mm and length at least 76.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.9 mm over length 24.2 mm (from Z=0.0 to Z=24.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.9 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 Ø66.0 mm over length 37.0 mm (from Z=0.0 to Z=47.0).
9. Finish turn diameter Ø58.1 mm over length 10.0 mm (from Z=0.0 to Z=10.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 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 Ø30.0 mm over length 227.8 mm (from Z=0.0 to Z=227.8).
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 Ø28.9 mm over length 53.4 mm (from Z=0.0 to Z=53.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø64.3 mm and length at least 88.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.3 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 Ø62.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø42.3 mm over length 24.3 mm (from Z=0.0 to Z=54.1).
9. Finish turn diameter Ø34.2 mm over length 19.0 mm (from Z=0.0 to Z=29.8).
10. Finish turn diameter Ø30.0 mm over length 10.8 mm (from Z=0.0 to Z=10.8).
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 Ø59.4 mm and length at least 92.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.4 mm over length 6.4 mm (from Z=0.0 to Z=6.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.4 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 Ø38.1 mm over length 14.4 mm (from Z=0.0 to Z=80.6).
9. Finish turn diameter Ø34.9 mm over length 9.1 mm (from Z=0.0 to Z=66.2).
10. Finish turn diameter Ø30.0 mm over length 57.1 mm (from Z=0.0 to Z=57.1).
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 Ø66.3 mm and length at least 272.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.3 mm over length 84.4 mm (from Z=0.0 to Z=84.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.1 mm over length 16.9 mm (from Z=0.0 to Z=183.2).
10. Finish turn diameter Ø48.0 mm over length 18.0 mm (from Z=0.0 to Z=166.3).
11. Finish turn diameter Ø34.0 mm over length 42.5 mm (from Z=0.0 to Z=148.3).
12. Finish turn diameter Ø30.0 mm over length 105.8 mm (from Z=0.0 to Z=105.8).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø72.0 mm and length at least 175.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.0 mm over length 37.6 mm (from Z=0.0 to Z=37.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.0 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 Ø60.1 mm over length 34.8 mm (from Z=0.0 to Z=132.9).
9. Finish turn diameter Ø40.3 mm over length 22.5 mm (from Z=0.0 to Z=98.1).
10. Finish turn diameter Ø30.0 mm over length 75.6 mm (from Z=0.0 to Z=75.6).
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 Ø70.2 mm and length at least 291.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.2 mm over length 41.1 mm (from Z=0.0 to Z=41.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.2 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 Ø52.1 mm over length 17.2 mm (from Z=0.0 to Z=245.2).
10. Finish turn diameter Ø36.5 mm over length 77.6 mm (from Z=0.0 to Z=228.0).
11. Finish turn diameter Ø30.0 mm over length 150.4 mm (from Z=0.0 to Z=150.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 230.0 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 178.1 mm (from Z=0.0 to Z=178.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø26.1 mm over length 46.9 mm (from Z=0.0 to Z=46.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø49.7 mm and length at least 301.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.7 mm over length 92.5 mm (from Z=0.0 to Z=92.5).
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 Ø31.2 mm over length 117.9 mm (from Z=0.0 to Z=204.4).
10. Finish turn diameter Ø30.0 mm over length 86.5 mm (from Z=0.0 to Z=86.5).
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 Ø63.6 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 Ø61.6 mm over length 37.9 mm (from Z=0.0 to Z=37.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø49.0 mm over length 6.2 mm (from Z=0.0 to Z=72.1).
9. Finish turn diameter Ø45.5 mm over length 12.1 mm (from Z=0.0 to Z=65.9).
10. Finish turn diameter Ø37.2 mm over length 53.8 mm (from Z=0.0 to Z=53.8).
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 Ø32.4 mm and length at least 244.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.4 mm over length 174.5 mm (from Z=0.0 to Z=174.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with 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 65.4 mm (from Z=0.0 to Z=65.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø62.3 mm and length at least 89.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.3 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 Ø60.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø49.3 mm over length 36.1 mm (from Z=0.0 to Z=72.1).
9. Finish turn diameter Ø46.3 mm over length 36.0 mm (from Z=0.0 to Z=36.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø32.0 mm and length at least 290.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 220.6 mm (from Z=0.0 to Z=220.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø22.1 mm over length 64.8 mm (from Z=0.0 to Z=64.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø79.6 mm and length at least 175.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.6 mm over length 47.0 mm (from Z=0.0 to Z=47.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø61.3 mm over length 42.0 mm (from Z=0.0 to Z=123.3).
9. Finish turn diameter Ø45.3 mm over length 51.4 mm (from Z=0.0 to Z=81.3).
10. Finish turn diameter Ø30.0 mm over length 29.9 mm (from Z=0.0 to Z=29.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø35.3 mm and length at least 150.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.3 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 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 105.5 mm (from Z=0.0 to Z=105.5).
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 Ø41.3 mm and length at least 197.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø39.3 mm over length 48.0 mm (from Z=0.0 to Z=48.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø39.3 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 144.6 mm (from Z=0.0 to Z=144.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø61.2 mm and length at least 126.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.2 mm over length 42.0 mm (from Z=0.0 to Z=42.0).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.5 mm over length 24.5 mm (from Z=0.0 to Z=79.8).
9. Finish turn diameter Ø33.5 mm over length 55.3 mm (from Z=0.0 to Z=55.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø65.6 mm and length at least 129.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.6 mm over length 40.4 mm (from Z=0.0 to Z=40.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.5 mm over length 48.4 mm (from Z=0.0 to Z=83.8).
9. Finish turn diameter Ø30.0 mm over length 35.4 mm (from Z=0.0 to Z=35.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø38.1 mm and length at least 281.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.1 mm over length 85.8 mm (from Z=0.0 to Z=85.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.8 mm over length 59.4 mm (from Z=0.0 to Z=190.6).
10. Finish turn diameter Ø30.0 mm over length 131.2 mm (from Z=0.0 to Z=131.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.6 mm and length at least 212.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.6 mm over length 51.0 mm (from Z=0.0 to Z=51.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø46.3 mm over length 128.1 mm (from Z=0.0 to Z=156.3).
10. Finish turn diameter Ø43.0 mm over length 28.2 mm (from Z=0.0 to Z=28.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø64.3 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 Ø62.3 mm over length 8.0 mm (from Z=0.0 to Z=8.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.2 mm over length 14.8 mm (from Z=0.0 to Z=97.1).
9. Finish turn diameter Ø36.5 mm over length 21.7 mm (from Z=0.0 to Z=82.3).
10. Finish turn diameter Ø30.0 mm over length 60.6 mm (from Z=0.0 to Z=60.6).
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 Ø67.4 mm and length at least 80.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.4 mm over length 7.5 mm (from Z=0.0 to Z=7.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø58.4 mm over length 22.9 mm (from Z=0.0 to Z=68.0).
9. Finish turn diameter Ø39.5 mm over length 31.2 mm (from Z=0.0 to Z=45.1).
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 stainless steel round bar (material 1.4301) with diameter at least Ø63.5 mm and length at least 223.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.5 mm over length 8.2 mm (from Z=0.0 to Z=8.2).
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. Center-drill the free end and support the bar with 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 29.1 mm (from Z=0.0 to Z=210.6).
10. Finish turn diameter Ø36.6 mm over length 15.2 mm (from Z=0.0 to Z=181.5).
11. Finish turn diameter Ø30.9 mm over length 73.2 mm (from Z=0.0 to Z=166.3).
12. Finish turn diameter Ø30.0 mm over length 93.1 mm (from Z=0.0 to Z=93.1).
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 stainless steel round bar (material 1.4301) with diameter at least Ø81.5 mm and length at least 227.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.5 mm over length 88.4 mm (from Z=0.0 to Z=88.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø70.9 mm over length 86.7 mm (from Z=0.0 to Z=134.1).
10. Finish turn diameter Ø57.9 mm over length 35.6 mm (from Z=0.0 to Z=47.4).
11. Finish turn diameter Ø46.2 mm over length 11.8 mm (from Z=0.0 to Z=11.8).
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 42CrMo4) with diameter at least Ø53.0 mm and length at least 103.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.0 mm over length 20.3 mm (from Z=0.0 to Z=20.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.0 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 Ø41.8 mm over length 25.2 mm (from Z=0.0 to Z=78.2).
9. Finish turn diameter Ø30.4 mm over length 12.0 mm (from Z=0.0 to Z=53.0).
10. Finish turn diameter Ø30.0 mm over length 41.0 mm (from Z=0.0 to Z=41.0).
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 Ø69.6 mm and length at least 171.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.6 mm over length 25.9 mm (from Z=0.0 to Z=25.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø63.0 mm over length 29.9 mm (from Z=0.0 to Z=140.2).
9. Finish turn diameter Ø43.7 mm over length 41.8 mm (from Z=0.0 to Z=110.3).
10. Finish turn diameter Ø30.0 mm over length 68.5 mm (from Z=0.0 to Z=68.5).
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 Ø32.0 mm and length at least 154.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 85.4 mm (from Z=0.0 to Z=85.4).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø22.0 mm over length 64.1 mm (from Z=0.0 to Z=64.1).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø76.5 mm and length at least 151.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.5 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 Ø74.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø64.6 mm over length 34.8 mm (from Z=0.0 to Z=122.2).
9. Finish turn diameter Ø56.8 mm over length 33.2 mm (from Z=0.0 to Z=87.4).
10. Finish turn diameter Ø39.9 mm over length 47.3 mm (from Z=0.0 to Z=54.2).
11. Finish turn diameter Ø33.2 mm over length 6.9 mm (from Z=0.0 to Z=6.9).
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 16MnCr5) with diameter at least Ø46.9 mm and length at least 212.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.9 mm over length 18.0 mm (from Z=0.0 to Z=18.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.9 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 Ø36.8 mm over length 55.0 mm (from Z=0.0 to Z=189.3).
10. Finish turn diameter Ø30.0 mm over length 134.3 mm (from Z=0.0 to Z=134.3).
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 Ø73.7 mm and length at least 250.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.7 mm over length 22.6 mm (from Z=0.0 to Z=22.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø54.7 mm over length 98.9 mm (from Z=0.0 to Z=222.7).
10. Finish turn diameter Ø40.7 mm over length 123.8 mm (from Z=0.0 to Z=123.8).
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 Ø44.4 mm and length at least 122.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.4 mm over length 26.7 mm (from Z=0.0 to Z=26.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 91.1 mm (from Z=0.0 to Z=91.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø56.2 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 Ø54.2 mm over length 30.3 mm (from Z=0.0 to Z=30.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø54.2 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 Ø44.9 mm over length 11.3 mm (from Z=0.0 to Z=55.6).
9. Finish turn diameter Ø32.7 mm over length 23.5 mm (from Z=0.0 to Z=44.3).
10. Finish turn diameter Ø30.0 mm over length 20.8 mm (from Z=0.0 to Z=20.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.4 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 Ø30.4 mm over length 82.9 mm (from Z=0.0 to Z=82.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with 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 214.4 mm (from Z=0.0 to Z=214.4).
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 Ø33.4 mm and length at least 237.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.4 mm over length 58.7 mm (from Z=0.0 to Z=58.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 174.0 mm (from Z=0.0 to Z=174.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø75.6 mm and length at least 314.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.6 mm over length 74.7 mm (from Z=0.0 to Z=74.7).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 Ø66.2 mm over length 113.6 mm (from Z=0.0 to Z=234.9).
10. Finish turn diameter Ø58.1 mm over length 121.3 mm (from Z=0.0 to Z=121.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø73.0 mm and length at least 239.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.0 mm over length 54.2 mm (from Z=0.0 to Z=54.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.0 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 Ø60.4 mm over length 47.3 mm (from Z=0.0 to Z=180.6).
10. Finish turn diameter Ø50.6 mm over length 19.8 mm (from Z=0.0 to Z=133.3).
11. Finish turn diameter Ø40.8 mm over length 38.4 mm (from Z=0.0 to Z=113.5).
12. Finish turn diameter Ø35.5 mm over length 27.0 mm (from Z=0.0 to Z=75.1).
13. Finish turn diameter Ø30.0 mm over length 48.1 mm (from Z=0.0 to Z=48.1).
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 Ø81.4 mm and length at least 262.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.4 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 Ø79.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø59.7 mm over length 42.6 mm (from Z=0.0 to Z=243.8).
10. Finish turn diameter Ø53.9 mm over length 138.8 mm (from Z=0.0 to Z=201.2).
11. Finish turn diameter Ø38.2 mm over length 62.4 mm (from Z=0.0 to Z=62.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø32.0 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 Ø30.0 mm over length 136.8 mm (from Z=0.0 to Z=136.8).
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 Ø20.2 mm over length 88.1 mm (from Z=0.0 to Z=88.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø61.0 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 Ø59.0 mm over length 59.6 mm (from Z=0.0 to Z=59.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø47.6 mm over length 87.3 mm (from Z=0.0 to Z=139.1).
10. Finish turn diameter Ø43.2 mm over length 51.8 mm (from Z=0.0 to Z=51.8).
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 Ø69.8 mm and length at least 96.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.8 mm over length 12.6 mm (from Z=0.0 to Z=12.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.8 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 Ø62.1 mm over length 7.8 mm (from Z=0.0 to Z=78.5).
9. Finish turn diameter Ø42.1 mm over length 26.4 mm (from Z=0.0 to Z=70.7).
10. Finish turn diameter Ø32.5 mm over length 20.2 mm (from Z=0.0 to Z=44.3).
11. Finish turn diameter Ø30.0 mm over length 24.1 mm (from Z=0.0 to Z=24.1).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø52.6 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 Ø50.6 mm over length 23.5 mm (from Z=0.0 to Z=23.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø50.6 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 Ø36.9 mm over length 14.7 mm (from Z=0.0 to Z=228.6).
10. Finish turn diameter Ø30.0 mm over length 213.9 mm (from Z=0.0 to Z=213.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø72.8 mm and length at least 262.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.8 mm over length 9.6 mm (from Z=0.0 to Z=9.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø60.7 mm over length 46.6 mm (from Z=0.0 to Z=247.8).
10. Finish turn diameter Ø43.7 mm over length 97.3 mm (from Z=0.0 to Z=201.2).
11. Finish turn diameter Ø30.0 mm over length 103.9 mm (from Z=0.0 to Z=103.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø70.5 mm and length at least 225.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.5 mm over length 14.8 mm (from Z=0.0 to Z=14.8).
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 Ø59.7 mm over length 62.1 mm (from Z=0.0 to Z=205.3).
10. Finish turn diameter Ø56.0 mm over length 63.7 mm (from Z=0.0 to Z=143.2).
11. Finish turn diameter Ø36.0 mm over length 33.5 mm (from Z=0.0 to Z=79.5).
12. Finish turn diameter Ø32.0 mm over length 46.0 mm (from Z=0.0 to Z=46.0).
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 Ø70.8 mm and length at least 267.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.8 mm over length 49.0 mm (from Z=0.0 to Z=49.0).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 Ø54.3 mm over length 38.6 mm (from Z=0.0 to Z=213.0).
10. Finish turn diameter Ø34.9 mm over length 74.7 mm (from Z=0.0 to Z=174.4).
11. Finish turn diameter Ø30.0 mm over length 99.7 mm (from Z=0.0 to Z=99.7).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø81.5 mm and length at least 188.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.5 mm over length 12.8 mm (from Z=0.0 to Z=12.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.5 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 Ø73.7 mm over length 31.2 mm (from Z=0.0 to Z=170.8).
9. Finish turn diameter Ø66.3 mm over length 31.4 mm (from Z=0.0 to Z=139.6).
10. Finish turn diameter Ø62.7 mm over length 108.2 mm (from Z=0.0 to Z=108.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø69.0 mm and length at least 260.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.0 mm over length 53.0 mm (from Z=0.0 to Z=53.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.0 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 Ø50.5 mm over length 56.5 mm (from Z=0.0 to Z=202.1).
10. Finish turn diameter Ø47.4 mm over length 68.5 mm (from Z=0.0 to Z=145.6).
11. Finish turn diameter Ø30.0 mm over length 77.1 mm (from Z=0.0 to Z=77.1).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø55.8 mm and length at least 208.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.8 mm over length 30.2 mm (from Z=0.0 to Z=30.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø37.7 mm over length 14.1 mm (from Z=0.0 to Z=173.4).
10. Finish turn diameter Ø30.0 mm over length 159.3 mm (from Z=0.0 to Z=159.3).
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 Ø77.5 mm and length at least 255.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.5 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 Ø75.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø56.4 mm over length 43.9 mm (from Z=0.0 to Z=219.8).
10. Finish turn diameter Ø52.6 mm over length 59.2 mm (from Z=0.0 to Z=175.9).
11. Finish turn diameter Ø42.8 mm over length 60.7 mm (from Z=0.0 to Z=116.7).
12. Finish turn diameter Ø30.0 mm over length 56.0 mm (from Z=0.0 to Z=56.0).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.