[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 Ø33.3 mm and length at least 306.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.3 mm over length 47.9 mm (from Z=0.0 to Z=47.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.3 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 253.1 mm (from Z=0.0 to Z=253.1).
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 Ø49.6 mm and length at least 76.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.6 mm over length 29.1 mm (from Z=0.0 to Z=29.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.6 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 Ø30.0 mm over length 42.4 mm (from Z=0.0 to Z=42.4).
9. Break all edges (e.g., 2×45° where applicable).
10. 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 Ø50.8 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 Ø48.8 mm over length 129.0 mm (from Z=0.0 to Z=129.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.8 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 Ø33.0 mm over length 61.9 mm (from Z=0.0 to Z=180.5).
10. Finish turn diameter Ø30.0 mm over length 118.6 mm (from Z=0.0 to Z=118.6).
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 16MnCr5) with diameter at least Ø54.3 mm and length at least 94.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.3 mm over length 13.9 mm (from Z=0.0 to Z=13.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø35.5 mm over length 6.8 mm (from Z=0.0 to Z=76.0).
9. Finish turn diameter Ø30.0 mm over length 69.2 mm (from Z=0.0 to Z=69.2).
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 16MnCr5) with diameter at least Ø81.7 mm and length at least 125.8 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 35.1 mm (from Z=0.0 to Z=35.1).
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 Ø60.4 mm over length 5.0 mm (from Z=0.0 to Z=85.7).
9. Finish turn diameter Ø44.3 mm over length 20.1 mm (from Z=0.0 to Z=80.7).
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]
<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 Ø32.0 mm and length at least 290.5 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 202.0 mm (from Z=0.0 to Z=202.0).
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 Ø22.7 mm over length 83.5 mm (from Z=0.0 to Z=83.5).
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 C45) with diameter at least Ø61.3 mm and length at least 100.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.3 mm over length 27.9 mm (from Z=0.0 to Z=27.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø52.1 mm over length 5.6 mm (from Z=0.0 to Z=67.7).
9. Finish turn diameter Ø40.5 mm over length 35.0 mm (from Z=0.0 to Z=62.1).
10. Finish turn diameter Ø30.0 mm over length 27.1 mm (from Z=0.0 to Z=27.1).
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 C45) with diameter at least Ø51.0 mm and length at least 300.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.0 mm over length 166.2 mm (from Z=0.0 to Z=166.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.0 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 Ø37.4 mm over length 29.6 mm (from Z=0.0 to Z=129.5).
10. Finish turn diameter Ø30.0 mm over length 99.9 mm (from Z=0.0 to Z=99.9).
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 Ø61.4 mm and length at least 151.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.4 mm over length 44.6 mm (from Z=0.0 to Z=44.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.4 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 Ø51.0 mm over length 63.1 mm (from Z=0.0 to Z=101.6).
9. Finish turn diameter Ø33.6 mm over length 7.0 mm (from Z=0.0 to Z=38.5).
10. Finish turn diameter Ø30.0 mm over length 31.5 mm (from Z=0.0 to Z=31.5).
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 Ø32.0 mm and length at least 170.7 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 133.4 mm (from Z=0.0 to Z=133.4).
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 Ø28.2 mm over length 32.3 mm (from Z=0.0 to Z=32.3).
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 steel round bar (material 16MnCr5) with diameter at least Ø45.0 mm and length at least 314.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.0 mm over length 120.3 mm (from Z=0.0 to Z=120.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø36.1 mm over length 99.4 mm (from Z=0.0 to Z=189.6).
10. Finish turn diameter Ø30.0 mm over length 90.2 mm (from Z=0.0 to Z=90.2).
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 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]
<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 Ø53.5 mm and length at least 76.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.5 mm over length 24.7 mm (from Z=0.0 to Z=24.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.5 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 Ø45.4 mm over length 5.1 mm (from Z=0.0 to Z=46.9).
9. Finish turn diameter Ø30.4 mm over length 15.5 mm (from Z=0.0 to Z=41.8).
10. Finish turn diameter Ø30.0 mm over length 26.3 mm (from Z=0.0 to Z=26.3).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø74.3 mm and length at least 225.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.3 mm over length 53.7 mm (from Z=0.0 to Z=53.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.3 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 Ø68.6 mm over length 23.1 mm (from Z=0.0 to Z=167.2).
10. Finish turn diameter Ø59.9 mm over length 77.3 mm (from Z=0.0 to Z=144.1).
11. Finish turn diameter Ø43.2 mm over length 66.8 mm (from Z=0.0 to Z=66.8).
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 Ø54.9 mm and length at least 232.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.9 mm over length 63.5 mm (from Z=0.0 to Z=63.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.9 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 Ø39.1 mm over length 11.0 mm (from Z=0.0 to Z=164.1).
10. Finish turn diameter Ø30.0 mm over length 153.1 mm (from Z=0.0 to Z=153.1).
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 C45) with diameter at least Ø79.7 mm and length at least 90.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.7 mm over length 19.6 mm (from Z=0.0 to Z=19.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø70.7 mm over length 5.7 mm (from Z=0.0 to Z=66.1).
9. Finish turn diameter Ø63.1 mm over length 20.7 mm (from Z=0.0 to Z=60.4).
10. Finish turn diameter Ø59.0 mm over length 26.5 mm (from Z=0.0 to Z=39.7).
11. Finish turn diameter Ø47.2 mm over length 13.2 mm (from Z=0.0 to Z=13.2).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 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 Ø30.0 mm over length 214.9 mm (from Z=0.0 to Z=214.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. 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 Ø28.2 mm over length 51.1 mm (from Z=0.0 to Z=51.1).
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 Ø33.7 mm and length at least 127.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.7 mm over length 35.6 mm (from Z=0.0 to Z=35.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.7 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 Ø30.0 mm over length 86.6 mm (from Z=0.0 to Z=86.6).
9. Break all edges (e.g., 2×45° where applicable).
10. 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 Ø54.9 mm and length at least 183.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.9 mm over length 48.5 mm (from Z=0.0 to Z=48.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.9 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 Ø45.9 mm over length 48.9 mm (from Z=0.0 to Z=130.0).
9. Finish turn diameter Ø35.1 mm over length 55.2 mm (from Z=0.0 to Z=81.1).
10. Finish turn diameter Ø30.0 mm over length 25.9 mm (from Z=0.0 to Z=25.9).
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 16MnCr5) with diameter at least Ø73.2 mm and length at least 231.0 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 62.1 mm (from Z=0.0 to Z=62.1).
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 Ø56.1 mm over length 29.0 mm (from Z=0.0 to Z=163.9).
10. Finish turn diameter Ø44.4 mm over length 26.2 mm (from Z=0.0 to Z=134.9).
11. Finish turn diameter Ø35.6 mm over length 54.3 mm (from Z=0.0 to Z=108.7).
12. Finish turn diameter Ø30.0 mm over length 54.4 mm (from Z=0.0 to Z=54.4).
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 stainless steel round bar (material 1.4301) with diameter at least Ø43.3 mm and length at least 108.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø41.3 mm over length 44.1 mm (from Z=0.0 to Z=44.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø33.3 mm over length 8.5 mm (from Z=0.0 to Z=58.9).
9. Finish turn diameter Ø30.0 mm over length 50.4 mm (from Z=0.0 to Z=50.4).
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 C45) with diameter at least Ø50.9 mm and length at least 171.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.9 mm over length 61.5 mm (from Z=0.0 to Z=61.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.9 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 Ø33.2 mm over length 56.6 mm (from Z=0.0 to Z=104.8).
9. Finish turn diameter Ø30.0 mm over length 48.2 mm (from Z=0.0 to Z=48.2).
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 Ø62.1 mm and length at least 72.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.1 mm over length 10.5 mm (from Z=0.0 to Z=10.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø54.8 mm over length 31.9 mm (from Z=0.0 to Z=56.5).
9. Finish turn diameter Ø39.0 mm over length 24.6 mm (from Z=0.0 to Z=24.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<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 Ø34.1 mm and length at least 249.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.1 mm over length 53.9 mm (from Z=0.0 to Z=53.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.1 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 190.9 mm (from Z=0.0 to Z=190.9).
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 Ø35.3 mm and length at least 267.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.3 mm over length 79.1 mm (from Z=0.0 to Z=79.1).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 183.2 mm (from Z=0.0 to Z=183.2).
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 16MnCr5) with diameter at least Ø48.4 mm and length at least 282.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.4 mm over length 50.3 mm (from Z=0.0 to Z=50.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø36.2 mm over length 23.5 mm (from Z=0.0 to Z=227.3).
10. Finish turn diameter Ø30.0 mm over length 203.8 mm (from Z=0.0 to Z=203.8).
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 Ø32.0 mm and length at least 106.0 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 87.8 mm (from Z=0.0 to Z=87.8).
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 Ø26.0 mm over length 13.2 mm (from Z=0.0 to Z=13.2).
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 Ø61.8 mm and length at least 115.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.8 mm over length 28.2 mm (from Z=0.0 to Z=28.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø49.5 mm over length 16.3 mm (from Z=0.0 to Z=82.4).
9. Finish turn diameter Ø46.4 mm over length 17.4 mm (from Z=0.0 to Z=66.1).
10. Finish turn diameter Ø39.0 mm over length 27.0 mm (from Z=0.0 to Z=48.7).
11. Finish turn diameter Ø30.9 mm over length 21.7 mm (from Z=0.0 to Z=21.7).
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 42CrMo4) with diameter at least Ø75.2 mm and length at least 156.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.2 mm over length 43.0 mm (from Z=0.0 to Z=43.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.2 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 Ø61.6 mm over length 35.4 mm (from Z=0.0 to Z=108.4).
9. Finish turn diameter Ø57.0 mm over length 73.0 mm (from Z=0.0 to Z=73.0).
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 Ø40.9 mm and length at least 206.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.9 mm over length 54.4 mm (from Z=0.0 to Z=54.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 146.7 mm (from Z=0.0 to Z=146.7).
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 C45) with diameter at least Ø33.0 mm and length at least 161.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.0 mm over length 16.6 mm (from Z=0.0 to Z=16.6).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 139.6 mm (from Z=0.0 to Z=139.6).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<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 Ø52.2 mm and length at least 212.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.2 mm over length 45.6 mm (from Z=0.0 to Z=45.6).
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 Ø34.4 mm over length 23.6 mm (from Z=0.0 to Z=162.3).
10. Finish turn diameter Ø30.0 mm over length 138.7 mm (from Z=0.0 to Z=138.7).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø80.2 mm and length at least 187.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.2 mm over length 35.6 mm (from Z=0.0 to Z=35.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø72.5 mm over length 24.9 mm (from Z=0.0 to Z=146.9).
9. Finish turn diameter Ø61.8 mm over length 12.9 mm (from Z=0.0 to Z=122.0).
10. Finish turn diameter Ø45.2 mm over length 53.1 mm (from Z=0.0 to Z=109.1).
11. Finish turn diameter Ø30.0 mm over length 56.0 mm (from Z=0.0 to Z=56.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<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 253.7 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 227.3 mm (from Z=0.0 to Z=227.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.6 mm over length 21.4 mm (from Z=0.0 to Z=21.4).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø39.4 mm and length at least 85.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.4 mm over length 8.9 mm (from Z=0.0 to Z=8.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.4 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 Ø30.0 mm over length 71.6 mm (from Z=0.0 to Z=71.6).
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 C45) with diameter at least Ø47.2 mm and length at least 153.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.2 mm over length 30.4 mm (from Z=0.0 to Z=30.4).
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. 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 Ø38.7 mm over length 7.0 mm (from Z=0.0 to Z=117.6).
10. Finish turn diameter Ø30.0 mm over length 110.6 mm (from Z=0.0 to Z=110.6).
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 Ø67.6 mm and length at least 250.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.6 mm over length 67.5 mm (from Z=0.0 to Z=67.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø61.4 mm over length 11.2 mm (from Z=0.0 to Z=177.5).
10. Finish turn diameter Ø46.0 mm over length 40.2 mm (from Z=0.0 to Z=166.3).
11. Finish turn diameter Ø36.5 mm over length 33.1 mm (from Z=0.0 to Z=126.1).
12. Finish turn diameter Ø31.7 mm over length 16.5 mm (from Z=0.0 to Z=93.0).
13. Finish turn diameter Ø30.0 mm over length 76.5 mm (from Z=0.0 to Z=76.5).
14. Break all edges (e.g., 2×45° where applicable).
15. 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 Ø40.0 mm and length at least 213.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.0 mm over length 21.6 mm (from Z=0.0 to Z=21.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 187.2 mm (from Z=0.0 to Z=187.2).
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 Ø65.7 mm and length at least 158.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.7 mm over length 27.4 mm (from Z=0.0 to Z=27.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø55.2 mm over length 60.7 mm (from Z=0.0 to Z=126.4).
9. Finish turn diameter Ø35.6 mm over length 65.7 mm (from Z=0.0 to Z=65.7).
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 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]
<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 Ø32.0 mm and length at least 139.5 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 110.6 mm (from Z=0.0 to Z=110.6).
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 Ø28.5 mm over length 23.9 mm (from Z=0.0 to Z=23.9).
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 Ø34.1 mm and length at least 293.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.1 mm over length 77.2 mm (from Z=0.0 to Z=77.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.1 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 210.9 mm (from Z=0.0 to Z=210.9).
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 Ø61.3 mm and length at least 287.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.3 mm over length 86.4 mm (from Z=0.0 to Z=86.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø59.3 mm.
6. Face the end and set Z=0.
7. 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 Ø48.4 mm over length 81.4 mm (from Z=0.0 to Z=195.9).
10. Finish turn diameter Ø34.8 mm over length 46.2 mm (from Z=0.0 to Z=114.5).
11. Finish turn diameter Ø30.0 mm over length 68.3 mm (from Z=0.0 to Z=68.3).
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 42CrMo4) with diameter at least Ø37.6 mm and length at least 113.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.6 mm over length 28.5 mm (from Z=0.0 to Z=28.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.6 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 Ø30.0 mm over length 79.8 mm (from Z=0.0 to Z=79.8).
9. Break all edges (e.g., 2×45° where applicable).
10. 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 Ø68.0 mm and length at least 224.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.0 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 Ø66.0 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 Ø59.9 mm over length 88.9 mm (from Z=0.0 to Z=191.1).
10. Finish turn diameter Ø52.7 mm over length 102.2 mm (from Z=0.0 to Z=102.2).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø54.4 mm and length at least 305.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.4 mm over length 111.6 mm (from Z=0.0 to Z=111.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø36.0 mm over length 68.5 mm (from Z=0.0 to Z=188.4).
10. Finish turn diameter Ø30.0 mm over length 119.9 mm (from Z=0.0 to Z=119.9).
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 Ø55.2 mm and length at least 108.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.2 mm over length 26.9 mm (from Z=0.0 to Z=26.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø41.1 mm over length 45.7 mm (from Z=0.0 to Z=76.7).
9. Finish turn diameter Ø34.6 mm over length 31.0 mm (from Z=0.0 to Z=31.0).
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 Ø52.6 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 Ø50.6 mm over length 6.9 mm (from Z=0.0 to Z=6.9).
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 Ø31.2 mm over length 27.6 mm (from Z=0.0 to Z=126.6).
10. Finish turn diameter Ø30.0 mm over length 99.0 mm (from Z=0.0 to Z=99.0).
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 Ø57.9 mm and length at least 288.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.9 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 Ø55.9 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 Ø38.2 mm over length 75.7 mm (from Z=0.0 to Z=225.2).
10. Finish turn diameter Ø34.3 mm over length 72.6 mm (from Z=0.0 to Z=149.5).
11. Finish turn diameter Ø30.0 mm over length 76.9 mm (from Z=0.0 to Z=76.9).
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 42CrMo4) with diameter at least Ø76.9 mm and length at least 149.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.9 mm over length 34.2 mm (from Z=0.0 to Z=34.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.9 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 Ø67.1 mm over length 15.4 mm (from Z=0.0 to Z=110.1).
9. Finish turn diameter Ø60.3 mm over length 31.8 mm (from Z=0.0 to Z=94.7).
10. Finish turn diameter Ø41.1 mm over length 15.7 mm (from Z=0.0 to Z=62.9).
11. Finish turn diameter Ø33.1 mm over length 14.0 mm (from Z=0.0 to Z=47.2).
12. Finish turn diameter Ø30.0 mm over length 33.2 mm (from Z=0.0 to Z=33.2).
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 Ø76.2 mm and length at least 167.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.2 mm over length 35.5 mm (from Z=0.0 to Z=35.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.2 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 Ø63.7 mm over length 27.9 mm (from Z=0.0 to Z=126.5).
9. Finish turn diameter Ø51.3 mm over length 9.5 mm (from Z=0.0 to Z=98.6).
10. Finish turn diameter Ø39.8 mm over length 39.7 mm (from Z=0.0 to Z=89.1).
11. Finish turn diameter Ø36.4 mm over length 43.8 mm (from Z=0.0 to Z=49.4).
12. Finish turn diameter Ø30.0 mm over length 5.6 mm (from Z=0.0 to Z=5.6).
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 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]
<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 Ø34.3 mm and length at least 197.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.3 mm over length 44.8 mm (from Z=0.0 to Z=44.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 147.9 mm (from Z=0.0 to Z=147.9).
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 Ø56.7 mm and length at least 197.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.7 mm over length 22.8 mm (from Z=0.0 to Z=22.8).
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 Ø36.7 mm over length 31.4 mm (from Z=0.0 to Z=169.7).
10. Finish turn diameter Ø30.0 mm over length 138.3 mm (from Z=0.0 to Z=138.3).
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 Ø44.3 mm and length at least 202.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.3 mm over length 22.5 mm (from Z=0.0 to Z=22.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.3 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 Ø38.1 mm over length 39.7 mm (from Z=0.0 to Z=175.4).
10. Finish turn diameter Ø30.0 mm over length 135.7 mm (from Z=0.0 to Z=135.7).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.0 mm and length at least 122.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.0 mm over length 22.8 mm (from Z=0.0 to Z=22.8).
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 94.9 mm (from Z=0.0 to Z=94.9).
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 Ø76.9 mm and length at least 74.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.9 mm over length 25.3 mm (from Z=0.0 to Z=25.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.9 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 Ø70.0 mm over length 5.9 mm (from Z=0.0 to Z=43.8).
9. Finish turn diameter Ø55.3 mm over length 28.7 mm (from Z=0.0 to Z=37.9).
10. Finish turn diameter Ø38.4 mm over length 9.2 mm (from Z=0.0 to Z=9.2).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø66.1 mm and length at least 227.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.1 mm over length 81.6 mm (from Z=0.0 to Z=81.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø52.6 mm over length 67.1 mm (from Z=0.0 to Z=140.6).
10. Finish turn diameter Ø48.9 mm over length 41.1 mm (from Z=0.0 to Z=73.5).
11. Finish turn diameter Ø37.6 mm over length 32.4 mm (from Z=0.0 to Z=32.4).
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 Ø40.8 mm and length at least 85.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.8 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 Ø38.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.3 mm over length 25.5 mm (from Z=0.0 to Z=69.9).
9. Finish turn diameter Ø30.0 mm over length 44.4 mm (from Z=0.0 to Z=44.4).
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 Ø59.8 mm and length at least 84.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.8 mm over length 35.8 mm (from Z=0.0 to Z=35.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø49.2 mm over length 8.4 mm (from Z=0.0 to Z=43.8).
9. Finish turn diameter Ø34.8 mm over length 35.4 mm (from Z=0.0 to Z=35.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<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 Ø61.6 mm and length at least 107.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø59.6 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 Ø59.6 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 Ø44.3 mm over length 19.2 mm (from Z=0.0 to Z=76.1).
9. Finish turn diameter Ø30.9 mm over length 56.9 mm (from Z=0.0 to Z=56.9).
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 Ø48.4 mm and length at least 227.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.4 mm over length 114.1 mm (from Z=0.0 to Z=114.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.4 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 Ø35.4 mm over length 46.8 mm (from Z=0.0 to Z=108.3).
10. Finish turn diameter Ø30.0 mm over length 61.5 mm (from Z=0.0 to Z=61.5).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø36.8 mm and length at least 184.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.8 mm over length 73.6 mm (from Z=0.0 to Z=73.6).
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 105.9 mm (from Z=0.0 to Z=105.9).
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 Ø38.1 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 Ø36.1 mm over length 16.4 mm (from Z=0.0 to Z=16.4).
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 Ø31.0 mm over length 37.4 mm (from Z=0.0 to Z=150.6).
10. Finish turn diameter Ø30.0 mm over length 113.2 mm (from Z=0.0 to Z=113.2).
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 Ø43.8 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 Ø41.8 mm over length 91.8 mm (from Z=0.0 to Z=91.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø41.8 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 Ø34.2 mm over length 62.7 mm (from Z=0.0 to Z=189.4).
10. Finish turn diameter Ø30.0 mm over length 126.7 mm (from Z=0.0 to Z=126.7).
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 16MnCr5) with diameter at least Ø32.0 mm and length at least 252.0 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 206.7 mm (from Z=0.0 to Z=206.7).
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 Ø28.5 mm over length 40.3 mm (from Z=0.0 to Z=40.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<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 197.7 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 151.7 mm (from Z=0.0 to Z=151.7).
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 Ø26.6 mm over length 41.0 mm (from Z=0.0 to Z=41.0).
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 16MnCr5) with diameter at least Ø49.8 mm and length at least 156.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.8 mm over length 33.7 mm (from Z=0.0 to Z=33.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.8 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 Ø39.3 mm over length 27.5 mm (from Z=0.0 to Z=118.0).
9. Finish turn diameter Ø32.2 mm over length 29.5 mm (from Z=0.0 to Z=90.5).
10. Finish turn diameter Ø30.0 mm over length 61.0 mm (from Z=0.0 to Z=61.0).
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 Ø80.6 mm and length at least 279.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø78.6 mm over length 23.8 mm (from Z=0.0 to Z=23.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø78.6 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 Ø72.5 mm over length 43.5 mm (from Z=0.0 to Z=250.5).
10. Finish turn diameter Ø66.9 mm over length 50.4 mm (from Z=0.0 to Z=207.0).
11. Finish turn diameter Ø53.6 mm over length 50.9 mm (from Z=0.0 to Z=156.6).
12. Finish turn diameter Ø44.8 mm over length 45.8 mm (from Z=0.0 to Z=105.7).
13. Finish turn diameter Ø30.4 mm over length 59.9 mm (from Z=0.0 to Z=59.9).
14. Break all edges (e.g., 2×45° where applicable).
15. 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 Ø46.2 mm and length at least 134.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.2 mm over length 5.7 mm (from Z=0.0 to Z=5.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø31.5 mm over length 61.0 mm (from Z=0.0 to Z=123.9).
9. Finish turn diameter Ø30.0 mm over length 62.9 mm (from Z=0.0 to Z=62.9).
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 Ø65.7 mm and length at least 115.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.7 mm over length 16.2 mm (from Z=0.0 to Z=16.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø55.5 mm over length 13.3 mm (from Z=0.0 to Z=94.7).
9. Finish turn diameter Ø50.9 mm over length 15.1 mm (from Z=0.0 to Z=81.4).
10. Finish turn diameter Ø43.7 mm over length 29.7 mm (from Z=0.0 to Z=66.3).
11. Finish turn diameter Ø30.0 mm over length 36.6 mm (from Z=0.0 to Z=36.6).
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 Ø42.8 mm and length at least 227.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø40.8 mm over length 25.7 mm (from Z=0.0 to Z=25.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø40.8 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 196.4 mm (from Z=0.0 to Z=196.4).
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 Ø66.9 mm and length at least 203.1 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 66.4 mm (from Z=0.0 to Z=66.4).
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 Ø57.0 mm over length 75.5 mm (from Z=0.0 to Z=131.7).
10. Finish turn diameter Ø52.6 mm over length 47.7 mm (from Z=0.0 to Z=56.2).
11. Finish turn diameter Ø46.7 mm over length 8.5 mm (from Z=0.0 to Z=8.5).
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 Ø53.2 mm and length at least 259.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.2 mm over length 56.4 mm (from Z=0.0 to Z=56.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.2 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 Ø47.4 mm over length 73.4 mm (from Z=0.0 to Z=197.9).
10. Finish turn diameter Ø36.5 mm over length 11.0 mm (from Z=0.0 to Z=124.5).
11. Finish turn diameter Ø30.0 mm over length 113.5 mm (from Z=0.0 to Z=113.5).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.7 mm and length at least 216.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.7 mm over length 43.9 mm (from Z=0.0 to Z=43.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.7 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 167.9 mm (from Z=0.0 to Z=167.9).
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 C45) with diameter at least Ø73.8 mm and length at least 157.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.8 mm over length 22.7 mm (from Z=0.0 to Z=22.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø57.4 mm over length 45.7 mm (from Z=0.0 to Z=130.2).
9. Finish turn diameter Ø46.1 mm over length 16.3 mm (from Z=0.0 to Z=84.5).
10. Finish turn diameter Ø36.1 mm over length 43.1 mm (from Z=0.0 to Z=68.2).
11. Finish turn diameter Ø30.0 mm over length 25.1 mm (from Z=0.0 to Z=25.1).
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 42CrMo4) with diameter at least Ø37.9 mm and length at least 257.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.9 mm over length 62.0 mm (from Z=0.0 to Z=62.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 190.9 mm (from Z=0.0 to Z=190.9).
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 Ø71.7 mm and length at least 231.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.7 mm over length 36.4 mm (from Z=0.0 to Z=36.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.7 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 Ø60.2 mm over length 49.7 mm (from Z=0.0 to Z=190.1).
10. Finish turn diameter Ø56.1 mm over length 9.4 mm (from Z=0.0 to Z=140.4).
11. Finish turn diameter Ø46.6 mm over length 78.0 mm (from Z=0.0 to Z=131.0).
12. Finish turn diameter Ø33.7 mm over length 53.0 mm (from Z=0.0 to Z=53.0).
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 stainless steel round bar (material 1.4301) with diameter at least Ø62.0 mm and length at least 263.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.0 mm over length 115.3 mm (from Z=0.0 to Z=115.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø42.0 mm over length 68.8 mm (from Z=0.0 to Z=143.3).
10. Finish turn diameter Ø30.8 mm over length 74.5 mm (from Z=0.0 to Z=74.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<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 Ø54.8 mm and length at least 235.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.8 mm over length 36.9 mm (from Z=0.0 to Z=36.9).
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 Ø49.2 mm over length 49.0 mm (from Z=0.0 to Z=193.6).
10. Finish turn diameter Ø33.0 mm over length 38.9 mm (from Z=0.0 to Z=144.6).
11. Finish turn diameter Ø30.0 mm over length 105.7 mm (from Z=0.0 to Z=105.7).
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 42CrMo4) with diameter at least Ø32.0 mm and length at least 110.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 92.4 mm (from Z=0.0 to Z=92.4).
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 13.4 mm (from Z=0.0 to Z=13.4).
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 Ø63.6 mm and length at least 217.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.6 mm over length 49.0 mm (from Z=0.0 to Z=49.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø56.3 mm over length 80.1 mm (from Z=0.0 to Z=163.3).
10. Finish turn diameter Ø37.0 mm over length 13.9 mm (from Z=0.0 to Z=83.2).
11. Finish turn diameter Ø33.2 mm over length 40.0 mm (from Z=0.0 to Z=69.3).
12. Finish turn diameter Ø30.0 mm over length 29.3 mm (from Z=0.0 to Z=29.3).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


[User]
<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 Ø59.9 mm and length at least 320.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.9 mm over length 90.4 mm (from Z=0.0 to Z=90.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø47.8 mm over length 62.4 mm (from Z=0.0 to Z=225.0).
10. Finish turn diameter Ø37.0 mm over length 92.7 mm (from Z=0.0 to Z=162.6).
11. Finish turn diameter Ø30.0 mm over length 69.9 mm (from Z=0.0 to Z=69.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<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 Ø45.5 mm and length at least 96.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.5 mm over length 7.0 mm (from Z=0.0 to Z=7.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.5 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 Ø32.5 mm over length 23.7 mm (from Z=0.0 to Z=84.2).
9. Finish turn diameter Ø30.0 mm over length 60.5 mm (from Z=0.0 to Z=60.5).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø53.3 mm and length at least 82.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.3 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 Ø51.3 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 Ø40.4 mm over length 24.3 mm (from Z=0.0 to Z=62.6).
9. Finish turn diameter Ø36.8 mm over length 30.0 mm (from Z=0.0 to Z=38.3).
10. Finish turn diameter Ø30.0 mm over length 8.3 mm (from Z=0.0 to Z=8.3).
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 Ø32.0 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 Ø30.0 mm over length 138.8 mm (from Z=0.0 to Z=138.8).
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 Ø27.3 mm over length 26.3 mm (from Z=0.0 to Z=26.3).
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 steel round bar (material 42CrMo4) with diameter at least Ø74.2 mm and length at least 178.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.2 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 Ø72.2 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 Ø57.7 mm over length 113.6 mm (from Z=0.0 to Z=142.3).
9. Finish turn diameter Ø44.7 mm over length 28.7 mm (from Z=0.0 to Z=28.7).
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 Ø37.8 mm and length at least 205.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.8 mm over length 46.4 mm (from Z=0.0 to Z=46.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.8 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 153.6 mm (from Z=0.0 to Z=153.6).
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 Ø32.0 mm and length at least 324.7 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 272.8 mm (from Z=0.0 to Z=272.8).
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 Ø26.5 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]
<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 Ø35.5 mm and length at least 263.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.5 mm over length 36.8 mm (from Z=0.0 to Z=36.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.5 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 221.7 mm (from Z=0.0 to Z=221.7).
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 Ø78.6 mm and length at least 153.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.6 mm over length 57.3 mm (from Z=0.0 to Z=57.3).
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 Ø59.9 mm over length 45.1 mm (from Z=0.0 to Z=91.4).
9. Finish turn diameter Ø54.2 mm over length 46.3 mm (from Z=0.0 to Z=46.3).
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 steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 126.2 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 86.4 mm (from Z=0.0 to Z=86.4).
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 Ø24.7 mm over length 34.8 mm (from Z=0.0 to Z=34.8).
9. Break all edges (e.g., 2×45° where applicable).
10. 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 Ø79.8 mm and length at least 231.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.8 mm over length 61.0 mm (from Z=0.0 to Z=61.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø62.3 mm over length 85.8 mm (from Z=0.0 to Z=165.2).
10. Finish turn diameter Ø56.2 mm over length 79.4 mm (from Z=0.0 to Z=79.4).
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 Ø37.5 mm and length at least 179.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.5 mm over length 17.8 mm (from Z=0.0 to Z=17.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.5 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 Ø30.3 mm over length 24.5 mm (from Z=0.0 to Z=156.5).
10. Finish turn diameter Ø30.0 mm over length 132.0 mm (from Z=0.0 to Z=132.0).
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 C45) with diameter at least Ø37.3 mm and length at least 187.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.3 mm over length 16.3 mm (from Z=0.0 to Z=16.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø35.3 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 165.8 mm (from Z=0.0 to Z=165.8).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.0 mm and length at least 223.0 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 58.3 mm (from Z=0.0 to Z=58.3).
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 Ø30.4 mm over length 51.8 mm (from Z=0.0 to Z=159.7).
10. Finish turn diameter Ø30.0 mm over length 107.9 mm (from Z=0.0 to Z=107.9).
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 Ø76.3 mm and length at least 180.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.3 mm over length 54.0 mm (from Z=0.0 to Z=54.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø64.4 mm over length 73.1 mm (from Z=0.0 to Z=121.4).
9. Finish turn diameter Ø50.3 mm over length 48.3 mm (from Z=0.0 to Z=48.3).
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 Ø34.9 mm and length at least 257.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.9 mm over length 38.8 mm (from Z=0.0 to Z=38.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 214.0 mm (from Z=0.0 to Z=214.0).
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 42CrMo4) with diameter at least Ø71.6 mm and length at least 294.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.6 mm over length 91.7 mm (from Z=0.0 to Z=91.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.6 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 65.3 mm (from Z=0.0 to Z=197.8).
10. Finish turn diameter Ø50.4 mm over length 132.5 mm (from Z=0.0 to Z=132.5).
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 Ø48.3 mm and length at least 243.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.3 mm over length 41.4 mm (from Z=0.0 to Z=41.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø33.2 mm over length 66.8 mm (from Z=0.0 to Z=196.9).
10. Finish turn diameter Ø30.0 mm over length 130.1 mm (from Z=0.0 to Z=130.1).
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 stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 194.7 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 162.3 mm (from Z=0.0 to Z=162.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø28.6 mm over length 27.4 mm (from Z=0.0 to Z=27.4).
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 C45) with diameter at least Ø32.0 mm and length at least 117.6 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 107.6 mm (from Z=0.0 to Z=107.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.9 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
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 Ø32.0 mm and length at least 169.8 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 119.2 mm (from Z=0.0 to Z=119.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø26.2 mm over length 45.6 mm (from Z=0.0 to Z=45.6).
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 Ø63.0 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 Ø61.0 mm over length 59.2 mm (from Z=0.0 to Z=59.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.0 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 Ø45.9 mm over length 85.9 mm (from Z=0.0 to Z=206.7).
10. Finish turn diameter Ø41.1 mm over length 76.2 mm (from Z=0.0 to Z=120.8).
11. Finish turn diameter Ø33.4 mm over length 44.6 mm (from Z=0.0 to Z=44.6).
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 Ø69.9 mm and length at least 247.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.9 mm over length 33.8 mm (from Z=0.0 to Z=33.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.9 mm.
6. Face the end and set Z=0.
7. 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 Ø64.8 mm over length 40.8 mm (from Z=0.0 to Z=208.2).
10. Finish turn diameter Ø46.0 mm over length 16.3 mm (from Z=0.0 to Z=167.4).
11. Finish turn diameter Ø36.1 mm over length 43.1 mm (from Z=0.0 to Z=151.1).
12. Finish turn diameter Ø32.9 mm over length 51.3 mm (from Z=0.0 to Z=108.0).
13. Finish turn diameter Ø30.0 mm over length 56.7 mm (from Z=0.0 to Z=56.7).
14. Break all edges (e.g., 2×45° where applicable).
15. 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 Ø68.8 mm and length at least 187.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.8 mm over length 46.8 mm (from Z=0.0 to Z=46.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.8 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 Ø57.0 mm over length 29.8 mm (from Z=0.0 to Z=135.5).
9. Finish turn diameter Ø37.3 mm over length 17.6 mm (from Z=0.0 to Z=105.7).
10. Finish turn diameter Ø30.0 mm over length 88.1 mm (from Z=0.0 to Z=88.1).
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 Ø69.3 mm and length at least 267.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.3 mm over length 48.7 mm (from Z=0.0 to Z=48.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.3 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 Ø59.5 mm over length 130.4 mm (from Z=0.0 to Z=213.4).
10. Finish turn diameter Ø50.3 mm over length 36.5 mm (from Z=0.0 to Z=83.0).
11. Finish turn diameter Ø35.8 mm over length 46.5 mm (from Z=0.0 to Z=46.5).
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 42CrMo4) with diameter at least Ø54.6 mm and length at least 189.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.6 mm over length 61.4 mm (from Z=0.0 to Z=61.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø52.6 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 Ø48.9 mm over length 63.1 mm (from Z=0.0 to Z=122.9).
9. Finish turn diameter Ø30.0 mm over length 59.8 mm (from Z=0.0 to Z=59.8).
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 C45) with diameter at least Ø35.1 mm and length at least 189.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.1 mm over length 45.2 mm (from Z=0.0 to Z=45.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.1 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 138.8 mm (from Z=0.0 to Z=138.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.