[User]
<image>
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 Ø72.7 mm and length at least 85.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.7 mm over length 13.6 mm (from Z=0.0 to Z=13.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.7 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 Ø54.1 mm over length 17.4 mm (from Z=0.0 to Z=67.3).
9. Finish turn diameter Ø48.0 mm over length 5.0 mm (from Z=0.0 to Z=49.9).
10. Finish turn diameter Ø44.9 mm over length 16.1 mm (from Z=0.0 to Z=44.9).
11. Finish turn diameter Ø33.6 mm over length 16.5 mm (from Z=0.0 to Z=28.8).
12. Finish turn diameter Ø30.0 mm over length 12.3 mm (from Z=0.0 to Z=12.3).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø81.9 mm and length at least 85.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.9 mm over length 34.1 mm (from Z=0.0 to Z=34.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø63.5 mm over length 10.3 mm (from Z=0.0 to Z=46.5).
9. Finish turn diameter Ø45.6 mm over length 16.3 mm (from Z=0.0 to Z=36.2).
10. Finish turn diameter Ø32.7 mm over length 12.8 mm (from Z=0.0 to Z=19.9).
11. Finish turn diameter Ø30.0 mm over length 7.1 mm (from Z=0.0 to Z=7.1).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
Generate 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 Ø44.8 mm and length at least 246.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.8 mm over length 19.1 mm (from Z=0.0 to Z=19.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.8 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 Ø37.1 mm over length 135.1 mm (from Z=0.0 to Z=222.4).
10. Finish turn diameter Ø30.0 mm over length 87.3 mm (from Z=0.0 to Z=87.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate 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 Ø43.1 mm and length at least 275.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.1 mm over length 86.9 mm (from Z=0.0 to Z=86.9).
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 Ø30.0 mm over length 183.4 mm (from Z=0.0 to Z=183.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
Generate 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 202.5 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 169.0 mm (from Z=0.0 to Z=169.0).
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 Ø28.6 mm over length 28.5 mm (from Z=0.0 to Z=28.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate 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 Ø62.1 mm and length at least 314.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.1 mm over length 76.9 mm (from Z=0.0 to Z=76.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.1 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 Ø46.2 mm over length 16.1 mm (from Z=0.0 to Z=232.6).
10. Finish turn diameter Ø35.2 mm over length 52.9 mm (from Z=0.0 to Z=216.5).
11. Finish turn diameter Ø31.8 mm over length 53.8 mm (from Z=0.0 to Z=163.6).
12. Finish turn diameter Ø30.0 mm over length 109.8 mm (from Z=0.0 to Z=109.8).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<image>
Generate 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 Ø73.6 mm and length at least 141.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.6 mm over length 40.8 mm (from Z=0.0 to Z=40.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.6 mm.
6. Face the end and set Z=0.
7. 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 12.1 mm (from Z=0.0 to Z=95.3).
9. Finish turn diameter Ø49.5 mm over length 5.6 mm (from Z=0.0 to Z=83.2).
10. Finish turn diameter Ø31.2 mm over length 37.4 mm (from Z=0.0 to Z=77.6).
11. Finish turn diameter Ø30.0 mm over length 40.2 mm (from Z=0.0 to Z=40.2).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
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 208.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 186.8 mm (from Z=0.0 to Z=186.8).
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 Ø25.5 mm over length 17.0 mm (from Z=0.0 to Z=17.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø38.6 mm and length at least 176.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.6 mm over length 40.2 mm (from Z=0.0 to Z=40.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 131.7 mm (from Z=0.0 to Z=131.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
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 81.5 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 62.1 mm (from Z=0.0 to Z=62.1).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø28.2 mm over length 14.4 mm (from Z=0.0 to Z=14.4).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


[User]
<image>
Generate 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 76.7 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 60.5 mm (from Z=0.0 to Z=60.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø21.8 mm over length 11.2 mm (from Z=0.0 to Z=11.2).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.7 mm and length at least 305.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.7 mm over length 152.9 mm (from Z=0.0 to Z=152.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.7 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 147.3 mm (from Z=0.0 to Z=147.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
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 Ø57.3 mm and length at least 306.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.3 mm over length 14.3 mm (from Z=0.0 to Z=14.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø43.5 mm over length 65.6 mm (from Z=0.0 to Z=287.2).
10. Finish turn diameter Ø30.0 mm over length 221.6 mm (from Z=0.0 to Z=221.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate 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 Ø39.7 mm and length at least 89.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.7 mm over length 28.9 mm (from Z=0.0 to Z=28.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.7 mm.
6. Face the end and set Z=0.
7. 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 22.6 mm (from Z=0.0 to Z=55.4).
9. Finish turn diameter Ø30.0 mm over length 32.8 mm (from Z=0.0 to Z=32.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø79.6 mm and length at least 177.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.6 mm over length 19.1 mm (from Z=0.0 to Z=19.1).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 Ø69.1 mm over length 8.1 mm (from Z=0.0 to Z=153.3).
9. Finish turn diameter Ø55.6 mm over length 32.0 mm (from Z=0.0 to Z=145.2).
10. Finish turn diameter Ø50.0 mm over length 48.0 mm (from Z=0.0 to Z=113.2).
11. Finish turn diameter Ø38.1 mm over length 43.8 mm (from Z=0.0 to Z=65.2).
12. Finish turn diameter Ø33.2 mm over length 21.4 mm (from Z=0.0 to Z=21.4).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø75.4 mm and length at least 89.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.4 mm over length 42.6 mm (from Z=0.0 to Z=42.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.4 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 Ø64.6 mm over length 7.7 mm (from Z=0.0 to Z=41.7).
9. Finish turn diameter Ø49.4 mm over length 34.0 mm (from Z=0.0 to Z=34.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
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 240.2 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 180.0 mm (from Z=0.0 to Z=180.0).
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 Ø22.8 mm over length 55.2 mm (from Z=0.0 to Z=55.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø44.4 mm and length at least 91.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.4 mm over length 5.2 mm (from Z=0.0 to Z=5.2).
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 Ø30.3 mm over length 15.8 mm (from Z=0.0 to Z=81.3).
9. Finish turn diameter Ø30.0 mm over length 65.5 mm (from Z=0.0 to Z=65.5).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.1 mm and length at least 288.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.1 mm over length 62.7 mm (from Z=0.0 to Z=62.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø47.7 mm over length 68.1 mm (from Z=0.0 to Z=220.4).
10. Finish turn diameter Ø37.3 mm over length 7.7 mm (from Z=0.0 to Z=152.3).
11. Finish turn diameter Ø30.0 mm over length 144.6 mm (from Z=0.0 to Z=144.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate 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 Ø57.8 mm and length at least 312.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.8 mm over length 42.4 mm (from Z=0.0 to Z=42.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.8 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 Ø37.1 mm over length 68.3 mm (from Z=0.0 to Z=264.6).
10. Finish turn diameter Ø30.0 mm over length 196.3 mm (from Z=0.0 to Z=196.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
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 Ø65.0 mm and length at least 200.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.0 mm over length 65.4 mm (from Z=0.0 to Z=65.4).
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 Ø43.1 mm over length 42.5 mm (from Z=0.0 to Z=130.0).
10. Finish turn diameter Ø30.0 mm over length 87.5 mm (from Z=0.0 to Z=87.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø61.2 mm and length at least 136.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.2 mm over length 10.6 mm (from Z=0.0 to Z=10.6).
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 Ø41.3 mm over length 28.2 mm (from Z=0.0 to Z=120.4).
10. Finish turn diameter Ø30.0 mm over length 92.2 mm (from Z=0.0 to Z=92.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
Generate 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 88.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 67.8 mm (from Z=0.0 to Z=67.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø25.0 mm over length 15.2 mm (from Z=0.0 to Z=15.2).
9. Break all edges (e.g., 2×45° where applicable).
10. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.4 mm and length at least 230.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.4 mm over length 49.1 mm (from Z=0.0 to Z=49.1).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 176.0 mm (from Z=0.0 to Z=176.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø47.2 mm and length at least 75.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.2 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 Ø45.2 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 Ø34.3 mm over length 15.4 mm (from Z=0.0 to Z=48.2).
9. Finish turn diameter Ø30.0 mm over length 32.8 mm (from Z=0.0 to Z=32.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
Generate 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 Ø78.7 mm and length at least 235.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.7 mm over length 13.1 mm (from Z=0.0 to Z=13.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.7 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 Ø63.3 mm over length 10.9 mm (from Z=0.0 to Z=217.1).
10. Finish turn diameter Ø52.5 mm over length 36.7 mm (from Z=0.0 to Z=206.2).
11. Finish turn diameter Ø42.0 mm over length 67.1 mm (from Z=0.0 to Z=169.5).
12. Finish turn diameter Ø30.0 mm over length 102.4 mm (from Z=0.0 to Z=102.4).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø67.1 mm and length at least 85.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.1 mm over length 19.2 mm (from Z=0.0 to Z=19.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø56.0 mm over length 12.3 mm (from Z=0.0 to Z=60.9).
9. Finish turn diameter Ø45.3 mm over length 19.5 mm (from Z=0.0 to Z=48.6).
10. Finish turn diameter Ø34.9 mm over length 5.0 mm (from Z=0.0 to Z=29.1).
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]
<image>
Generate the machining process for the shaft in the image. Use the exact 10–11 step template.

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø79.6 mm and length at least 156.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.6 mm over length 22.4 mm (from Z=0.0 to Z=22.4).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 Ø73.6 mm over length 19.5 mm (from Z=0.0 to Z=128.7).
9. Finish turn diameter Ø64.5 mm over length 63.0 mm (from Z=0.0 to Z=109.2).
10. Finish turn diameter Ø46.1 mm over length 46.2 mm (from Z=0.0 to Z=46.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<image>
<image>
<image>
<image>
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 Ø70.6 mm and length at least 195.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.6 mm over length 66.4 mm (from Z=0.0 to Z=66.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.6 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 Ø52.5 mm over length 43.6 mm (from Z=0.0 to Z=124.0).
10. Finish turn diameter Ø34.8 mm over length 80.4 mm (from Z=0.0 to Z=80.4).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø80.7 mm and length at least 147.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.7 mm over length 7.2 mm (from Z=0.0 to Z=7.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.6 mm over length 17.2 mm (from Z=0.0 to Z=135.7).
9. Finish turn diameter Ø49.1 mm over length 47.5 mm (from Z=0.0 to Z=118.5).
10. Finish turn diameter Ø40.7 mm over length 21.5 mm (from Z=0.0 to Z=71.0).
11. Finish turn diameter Ø30.0 mm over length 49.5 mm (from Z=0.0 to Z=49.5).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.