[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 Ø81.8 mm and length at least 83.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.8 mm over length 12.2 mm (from Z=0.0 to Z=12.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø66.0 mm over length 16.7 mm (from Z=0.0 to Z=65.8).
9. Finish turn diameter Ø47.3 mm over length 18.9 mm (from Z=0.0 to Z=49.1).
10. Finish turn diameter Ø33.5 mm over length 20.2 mm (from Z=0.0 to Z=30.2).
11. Finish turn diameter Ø30.0 mm over length 10.0 mm (from Z=0.0 to Z=10.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


[User]
<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 220.5 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 160.9 mm (from Z=0.0 to Z=160.9).
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 Ø26.9 mm over length 54.6 mm (from Z=0.0 to Z=54.6).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø71.8 mm and length at least 229.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.8 mm over length 43.4 mm (from Z=0.0 to Z=43.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.8 mm over length 17.4 mm (from Z=0.0 to Z=180.8).
10. Finish turn diameter Ø49.2 mm over length 62.0 mm (from Z=0.0 to Z=163.4).
11. Finish turn diameter Ø36.1 mm over length 101.4 mm (from Z=0.0 to Z=101.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 214.6 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 170.8 mm (from Z=0.0 to Z=170.8).
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 Ø27.6 mm over length 38.8 mm (from Z=0.0 to Z=38.8).
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 stainless steel round bar (material 1.4301) with diameter at least Ø65.4 mm and length at least 112.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.4 mm over length 22.2 mm (from Z=0.0 to Z=22.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø52.4 mm over length 29.6 mm (from Z=0.0 to Z=85.7).
9. Finish turn diameter Ø36.0 mm over length 33.9 mm (from Z=0.0 to Z=56.1).
10. Finish turn diameter Ø30.0 mm over length 22.2 mm (from Z=0.0 to Z=22.2).
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 steel round bar (material 16MnCr5) with diameter at least Ø38.3 mm and length at least 105.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.3 mm over length 19.5 mm (from Z=0.0 to Z=19.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.3 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 80.6 mm (from Z=0.0 to Z=80.6).
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 stainless steel round bar (material 1.4301) with diameter at least Ø48.7 mm and length at least 281.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.7 mm over length 29.0 mm (from Z=0.0 to Z=29.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.7 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 49.0 mm (from Z=0.0 to Z=247.2).
10. Finish turn diameter Ø30.0 mm over length 198.2 mm (from Z=0.0 to Z=198.2).
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 steel round bar (material 42CrMo4) with diameter at least Ø74.9 mm and length at least 251.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.9 mm over length 73.5 mm (from Z=0.0 to Z=73.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø60.4 mm over length 15.2 mm (from Z=0.0 to Z=172.6).
10. Finish turn diameter Ø51.9 mm over length 61.4 mm (from Z=0.0 to Z=157.4).
11. Finish turn diameter Ø44.5 mm over length 73.7 mm (from Z=0.0 to Z=96.0).
12. Finish turn diameter Ø36.2 mm over length 22.3 mm (from Z=0.0 to Z=22.3).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø78.5 mm and length at least 214.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø76.5 mm over length 64.3 mm (from Z=0.0 to Z=64.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø56.7 mm over length 40.2 mm (from Z=0.0 to Z=145.2).
10. Finish turn diameter Ø51.9 mm over length 46.2 mm (from Z=0.0 to Z=105.0).
11. Finish turn diameter Ø36.3 mm over length 58.8 mm (from Z=0.0 to Z=58.8).
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 steel round bar (material 16MnCr5) with diameter at least Ø39.1 mm and length at least 180.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.1 mm over length 10.4 mm (from Z=0.0 to Z=10.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 164.9 mm (from Z=0.0 to Z=164.9).
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 16MnCr5) with diameter at least Ø73.5 mm and length at least 266.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.5 mm over length 63.8 mm (from Z=0.0 to Z=63.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.5 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 Ø61.6 mm over length 35.2 mm (from Z=0.0 to Z=197.2).
10. Finish turn diameter Ø44.3 mm over length 80.2 mm (from Z=0.0 to Z=162.0).
11. Finish turn diameter Ø32.2 mm over length 81.8 mm (from Z=0.0 to Z=81.8).
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 steel round bar (material 42CrMo4) with diameter at least Ø65.2 mm and length at least 85.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.2 mm over length 8.7 mm (from Z=0.0 to Z=8.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø59.3 mm over length 18.3 mm (from Z=0.0 to Z=71.9).
9. Finish turn diameter Ø51.3 mm over length 5.0 mm (from Z=0.0 to Z=53.6).
10. Finish turn diameter Ø38.5 mm over length 17.9 mm (from Z=0.0 to Z=48.6).
11. Finish turn diameter Ø30.0 mm over length 30.7 mm (from Z=0.0 to Z=30.7).
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 C45) with diameter at least Ø62.9 mm and length at least 285.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.9 mm over length 66.8 mm (from Z=0.0 to Z=66.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø54.3 mm over length 19.4 mm (from Z=0.0 to Z=214.1).
10. Finish turn diameter Ø50.0 mm over length 194.7 mm (from Z=0.0 to Z=194.7).
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 stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 76.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 66.9 mm (from Z=0.0 to Z=66.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø23.8 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
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 Ø37.8 mm and length at least 293.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø35.8 mm over length 30.7 mm (from Z=0.0 to Z=30.7).
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 257.9 mm (from Z=0.0 to Z=257.9).
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 Ø57.0 mm and length at least 134.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.0 mm over length 21.2 mm (from Z=0.0 to Z=21.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.0 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 Ø43.3 mm over length 51.1 mm (from Z=0.0 to Z=108.2).
9. Finish turn diameter Ø30.0 mm over length 57.1 mm (from Z=0.0 to Z=57.1).
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 Ø52.2 mm and length at least 322.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø50.2 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 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 Ø45.1 mm over length 133.6 mm (from Z=0.0 to Z=292.0).
10. Finish turn diameter Ø39.4 mm over length 158.4 mm (from Z=0.0 to Z=158.4).
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 C45) with diameter at least Ø68.3 mm and length at least 251.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.3 mm over length 41.0 mm (from Z=0.0 to Z=41.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.3 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 Ø60.1 mm over length 56.5 mm (from Z=0.0 to Z=205.3).
10. Finish turn diameter Ø52.8 mm over length 43.7 mm (from Z=0.0 to Z=148.8).
11. Finish turn diameter Ø33.5 mm over length 25.0 mm (from Z=0.0 to Z=105.1).
12. Finish turn diameter Ø30.0 mm over length 80.1 mm (from Z=0.0 to Z=80.1).
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 Ø72.0 mm and length at least 319.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.0 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 Ø70.0 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 Ø61.2 mm over length 12.7 mm (from Z=0.0 to Z=268.0).
10. Finish turn diameter Ø54.1 mm over length 64.8 mm (from Z=0.0 to Z=255.3).
11. Finish turn diameter Ø48.5 mm over length 18.2 mm (from Z=0.0 to Z=190.5).
12. Finish turn diameter Ø37.3 mm over length 60.2 mm (from Z=0.0 to Z=172.3).
13. Finish turn diameter Ø30.0 mm over length 112.1 mm (from Z=0.0 to Z=112.1).
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 stainless steel round bar (material 1.4301) with diameter at least Ø63.9 mm and length at least 264.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.9 mm over length 65.6 mm (from Z=0.0 to Z=65.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø54.5 mm over length 109.7 mm (from Z=0.0 to Z=194.2).
10. Finish turn diameter Ø39.6 mm over length 84.5 mm (from Z=0.0 to Z=84.5).
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 42CrMo4) with diameter at least Ø57.9 mm and length at least 98.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.9 mm over length 23.5 mm (from Z=0.0 to Z=23.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø41.1 mm over length 14.3 mm (from Z=0.0 to Z=70.0).
9. Finish turn diameter Ø30.0 mm over length 55.7 mm (from Z=0.0 to Z=55.7).
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 Ø55.5 mm and length at least 301.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.5 mm over length 106.9 mm (from Z=0.0 to Z=106.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.5 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 Ø40.9 mm over length 57.4 mm (from Z=0.0 to Z=189.9).
10. Finish turn diameter Ø33.5 mm over length 16.1 mm (from Z=0.0 to Z=132.5).
11. Finish turn diameter Ø30.0 mm over length 116.4 mm (from Z=0.0 to Z=116.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø76.0 mm and length at least 127.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.0 mm over length 34.3 mm (from Z=0.0 to Z=34.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.0 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 Ø65.5 mm over length 68.2 mm (from Z=0.0 to Z=87.8).
9. Finish turn diameter Ø62.3 mm over length 19.6 mm (from Z=0.0 to Z=19.6).
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 Ø60.9 mm and length at least 320.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.9 mm over length 148.4 mm (from Z=0.0 to Z=148.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø49.1 mm over length 37.0 mm (from Z=0.0 to Z=167.4).
10. Finish turn diameter Ø31.1 mm over length 130.4 mm (from Z=0.0 to Z=130.4).
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 Ø45.7 mm and length at least 134.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.7 mm over length 37.3 mm (from Z=0.0 to Z=37.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø43.7 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø34.1 mm over length 44.3 mm (from Z=0.0 to Z=91.7).
9. Finish turn diameter Ø30.0 mm over length 47.4 mm (from Z=0.0 to Z=47.4).
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 Ø79.7 mm and length at least 130.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.7 mm over length 20.3 mm (from Z=0.0 to Z=20.3).
5. Mount the bar in a three-jaw chuck by the holding diameter 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 Ø63.3 mm over length 49.0 mm (from Z=0.0 to Z=105.3).
9. Finish turn diameter Ø56.9 mm over length 7.9 mm (from Z=0.0 to Z=56.3).
10. Finish turn diameter Ø51.9 mm over length 28.7 mm (from Z=0.0 to Z=48.4).
11. Finish turn diameter Ø33.4 mm over length 19.7 mm (from Z=0.0 to Z=19.7).
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 16MnCr5) with diameter at least Ø77.1 mm and length at least 100.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø75.1 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 Ø75.1 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 Ø66.4 mm over length 46.7 mm (from Z=0.0 to Z=61.3).
9. Finish turn diameter Ø49.5 mm over length 14.6 mm (from Z=0.0 to Z=14.6).
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 Ø59.2 mm and length at least 132.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.2 mm over length 41.5 mm (from Z=0.0 to Z=41.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.2 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 Ø51.2 mm over length 24.7 mm (from Z=0.0 to Z=86.3).
9. Finish turn diameter Ø41.1 mm over length 12.5 mm (from Z=0.0 to Z=61.6).
10. Finish turn diameter Ø30.0 mm over length 49.1 mm (from Z=0.0 to Z=49.1).
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 42CrMo4) with diameter at least Ø50.6 mm and length at least 194.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø48.6 mm over length 52.6 mm (from Z=0.0 to Z=52.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø48.6 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 Ø39.0 mm over length 63.3 mm (from Z=0.0 to Z=136.9).
9. Finish turn diameter Ø31.2 mm over length 33.6 mm (from Z=0.0 to Z=73.6).
10. Finish turn diameter Ø30.0 mm over length 40.0 mm (from Z=0.0 to Z=40.0).
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 16MnCr5) with diameter at least Ø44.8 mm and length at least 158.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.8 mm over length 38.0 mm (from Z=0.0 to Z=38.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø38.9 mm over length 23.7 mm (from Z=0.0 to Z=115.9).
9. Finish turn diameter Ø31.2 mm over length 26.2 mm (from Z=0.0 to Z=92.2).
10. Finish turn diameter Ø30.0 mm over length 66.0 mm (from Z=0.0 to Z=66.0).
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 Ø32.0 mm and length at least 178.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 91.5 mm (from Z=0.0 to Z=91.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with 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 81.9 mm (from Z=0.0 to Z=81.9).
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 Ø48.6 mm and length at least 279.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.6 mm over length 58.5 mm (from Z=0.0 to Z=58.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.6 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 Ø42.0 mm over length 57.2 mm (from Z=0.0 to Z=216.4).
10. Finish turn diameter Ø30.0 mm over length 159.2 mm (from Z=0.0 to Z=159.2).
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 Ø72.4 mm and length at least 320.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.4 mm over length 46.0 mm (from Z=0.0 to Z=46.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø57.8 mm over length 13.6 mm (from Z=0.0 to Z=269.7).
10. Finish turn diameter Ø42.8 mm over length 99.5 mm (from Z=0.0 to Z=256.1).
11. Finish turn diameter Ø30.0 mm over length 156.6 mm (from Z=0.0 to Z=156.6).
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 steel round bar (material 16MnCr5) with diameter at least Ø34.3 mm and length at least 267.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.3 mm over length 78.5 mm (from Z=0.0 to Z=78.5).
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 184.3 mm (from Z=0.0 to Z=184.3).
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 16MnCr5) with diameter at least Ø79.1 mm and length at least 269.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.1 mm over length 15.1 mm (from Z=0.0 to Z=15.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.1 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 Ø72.4 mm over length 51.9 mm (from Z=0.0 to Z=249.0).
10. Finish turn diameter Ø59.9 mm over length 33.0 mm (from Z=0.0 to Z=197.1).
11. Finish turn diameter Ø54.7 mm over length 46.5 mm (from Z=0.0 to Z=164.1).
12. Finish turn diameter Ø36.9 mm over length 45.1 mm (from Z=0.0 to Z=117.6).
13. Finish turn diameter Ø30.0 mm over length 72.5 mm (from Z=0.0 to Z=72.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø64.5 mm and length at least 123.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.5 mm over length 36.3 mm (from Z=0.0 to Z=36.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø54.7 mm over length 33.4 mm (from Z=0.0 to Z=81.7).
9. Finish turn diameter Ø43.2 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>
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 224.6 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 131.1 mm (from Z=0.0 to Z=131.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø19.3 mm over length 88.5 mm (from Z=0.0 to Z=88.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø73.3 mm and length at least 310.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.3 mm over length 12.2 mm (from Z=0.0 to Z=12.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.3 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 Ø66.0 mm over length 74.6 mm (from Z=0.0 to Z=292.8).
10. Finish turn diameter Ø53.8 mm over length 106.8 mm (from Z=0.0 to Z=218.2).
11. Finish turn diameter Ø44.8 mm over length 85.0 mm (from Z=0.0 to Z=111.4).
12. Finish turn diameter Ø32.5 mm over length 26.4 mm (from Z=0.0 to Z=26.4).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 104.3 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 89.1 mm (from Z=0.0 to Z=89.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø27.2 mm over length 10.2 mm (from Z=0.0 to Z=10.2).
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 steel round bar (material 42CrMo4) with diameter at least Ø48.3 mm and length at least 321.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.3 mm over length 105.3 mm (from Z=0.0 to Z=105.3).
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 Ø35.3 mm over length 90.7 mm (from Z=0.0 to Z=211.6).
10. Finish turn diameter Ø30.0 mm over length 120.9 mm (from Z=0.0 to Z=120.9).
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 C45) with diameter at least Ø38.6 mm and length at least 195.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.6 mm over length 65.0 mm (from Z=0.0 to Z=65.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 125.6 mm (from Z=0.0 to Z=125.6).
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 Ø47.9 mm and length at least 121.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.9 mm over length 25.2 mm (from Z=0.0 to Z=25.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.9 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 Ø38.7 mm over length 33.2 mm (from Z=0.0 to Z=91.5).
9. Finish turn diameter Ø30.0 mm over length 58.3 mm (from Z=0.0 to Z=58.3).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø47.4 mm and length at least 76.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.4 mm over length 12.0 mm (from Z=0.0 to Z=12.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.4 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 Ø36.9 mm over length 18.4 mm (from Z=0.0 to Z=59.8).
9. Finish turn diameter Ø30.4 mm over length 41.4 mm (from Z=0.0 to Z=41.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø62.0 mm and length at least 120.6 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 42.7 mm (from Z=0.0 to Z=42.7).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø46.6 mm over length 25.9 mm (from Z=0.0 to Z=72.9).
9. Finish turn diameter Ø38.6 mm over length 12.0 mm (from Z=0.0 to Z=47.0).
10. Finish turn diameter Ø30.0 mm over length 35.0 mm (from Z=0.0 to Z=35.0).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 157.7 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 76.8 mm (from Z=0.0 to Z=76.8).
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 Ø19.2 mm over length 75.9 mm (from Z=0.0 to Z=75.9).
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 Ø63.9 mm and length at least 257.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.9 mm over length 114.9 mm (from Z=0.0 to Z=114.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø61.9 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.6 mm over length 115.8 mm (from Z=0.0 to Z=137.1).
10. Finish turn diameter Ø44.3 mm over length 21.3 mm (from Z=0.0 to Z=21.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø69.6 mm and length at least 88.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.6 mm over length 12.3 mm (from Z=0.0 to Z=12.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.5 mm over length 25.6 mm (from Z=0.0 to Z=71.5).
9. Finish turn diameter Ø40.0 mm over length 16.3 mm (from Z=0.0 to Z=45.9).
10. Finish turn diameter Ø36.3 mm over length 8.1 mm (from Z=0.0 to Z=29.6).
11. Finish turn diameter Ø30.0 mm over length 21.5 mm (from Z=0.0 to Z=21.5).
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 steel round bar (material C45) with diameter at least Ø52.1 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 Ø50.1 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 Ø50.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø38.4 mm over length 61.5 mm (from Z=0.0 to Z=203.1).
10. Finish turn diameter Ø30.0 mm over length 141.6 mm (from Z=0.0 to Z=141.6).
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 steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 234.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 202.7 mm (from Z=0.0 to Z=202.7).
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 Ø24.5 mm over length 27.2 mm (from Z=0.0 to Z=27.2).
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 Ø73.4 mm and length at least 86.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.4 mm over length 15.1 mm (from Z=0.0 to Z=15.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø71.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø55.4 mm over length 48.4 mm (from Z=0.0 to Z=66.8).
9. Finish turn diameter Ø50.3 mm over length 18.4 mm (from Z=0.0 to Z=18.4).
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 Ø74.5 mm and length at least 288.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø72.5 mm over length 44.3 mm (from Z=0.0 to Z=44.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø72.5 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 Ø66.2 mm over length 87.9 mm (from Z=0.0 to Z=239.5).
10. Finish turn diameter Ø58.0 mm over length 33.7 mm (from Z=0.0 to Z=151.6).
11. Finish turn diameter Ø52.5 mm over length 117.9 mm (from Z=0.0 to Z=117.9).
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 stainless steel round bar (material 1.4301) with diameter at least Ø49.5 mm and length at least 82.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.5 mm over length 19.9 mm (from Z=0.0 to Z=19.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.5 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 57.6 mm (from Z=0.0 to Z=57.6).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø57.1 mm and length at least 312.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.1 mm over length 149.7 mm (from Z=0.0 to Z=149.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.1 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 Ø37.4 mm over length 60.4 mm (from Z=0.0 to Z=158.2).
10. Finish turn diameter Ø32.5 mm over length 22.2 mm (from Z=0.0 to Z=97.8).
11. Finish turn diameter Ø30.0 mm over length 75.6 mm (from Z=0.0 to Z=75.6).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø67.9 mm and length at least 113.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.9 mm over length 9.5 mm (from Z=0.0 to Z=9.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø62.6 mm over length 17.6 mm (from Z=0.0 to Z=99.1).
9. Finish turn diameter Ø45.8 mm over length 81.5 mm (from Z=0.0 to Z=81.5).
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 42CrMo4) with diameter at least Ø44.4 mm and length at least 168.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.4 mm over length 34.6 mm (from Z=0.0 to Z=34.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø39.2 mm over length 60.3 mm (from Z=0.0 to Z=128.6).
9. Finish turn diameter Ø33.7 mm over length 31.4 mm (from Z=0.0 to Z=68.3).
10. Finish turn diameter Ø30.0 mm over length 36.9 mm (from Z=0.0 to Z=36.9).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø70.2 mm and length at least 140.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.2 mm over length 25.0 mm (from Z=0.0 to Z=25.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø59.0 mm over length 19.3 mm (from Z=0.0 to Z=110.0).
9. Finish turn diameter Ø45.2 mm over length 58.9 mm (from Z=0.0 to Z=90.7).
10. Finish turn diameter Ø35.5 mm over length 31.8 mm (from Z=0.0 to Z=31.8).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.0 mm and length at least 83.8 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 57.1 mm (from Z=0.0 to Z=57.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø29.7 mm over length 21.7 mm (from Z=0.0 to Z=21.7).
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 16MnCr5) with diameter at least Ø55.2 mm and length at least 320.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø53.2 mm over length 21.4 mm (from Z=0.0 to Z=21.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.2 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 Ø49.8 mm over length 46.3 mm (from Z=0.0 to Z=294.4).
10. Finish turn diameter Ø33.4 mm over length 49.4 mm (from Z=0.0 to Z=248.1).
11. Finish turn diameter Ø30.0 mm over length 198.7 mm (from Z=0.0 to Z=198.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø55.4 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 Ø53.4 mm over length 42.6 mm (from Z=0.0 to Z=42.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø53.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø43.1 mm over length 22.5 mm (from Z=0.0 to Z=183.4).
10. Finish turn diameter Ø33.8 mm over length 37.6 mm (from Z=0.0 to Z=160.9).
11. Finish turn diameter Ø30.0 mm over length 123.3 mm (from Z=0.0 to Z=123.3).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø48.4 mm and length at least 189.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.4 mm over length 32.8 mm (from Z=0.0 to Z=32.8).
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 Ø40.1 mm over length 28.8 mm (from Z=0.0 to Z=151.3).
10. Finish turn diameter Ø30.0 mm over length 122.5 mm (from Z=0.0 to Z=122.5).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø36.7 mm and length at least 193.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.7 mm over length 26.4 mm (from Z=0.0 to Z=26.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.7 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 161.6 mm (from Z=0.0 to Z=161.6).
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 steel round bar (material 42CrMo4) with diameter at least Ø32.0 mm and length at least 261.6 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 183.1 mm (from Z=0.0 to Z=183.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø23.8 mm over length 73.5 mm (from Z=0.0 to Z=73.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø76.8 mm and length at least 120.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø74.8 mm over length 23.6 mm (from Z=0.0 to Z=23.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø74.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø56.4 mm over length 32.9 mm (from Z=0.0 to Z=92.3).
9. Finish turn diameter Ø52.6 mm over length 14.6 mm (from Z=0.0 to Z=59.4).
10. Finish turn diameter Ø36.8 mm over length 15.3 mm (from Z=0.0 to Z=44.8).
11. Finish turn diameter Ø30.0 mm over length 29.5 mm (from Z=0.0 to Z=29.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø51.6 mm and length at least 226.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.6 mm over length 43.2 mm (from Z=0.0 to Z=43.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø43.5 mm over length 20.1 mm (from Z=0.0 to Z=178.6).
10. Finish turn diameter Ø36.1 mm over length 46.5 mm (from Z=0.0 to Z=158.5).
11. Finish turn diameter Ø32.7 mm over length 45.8 mm (from Z=0.0 to Z=112.0).
12. Finish turn diameter Ø30.0 mm over length 66.2 mm (from Z=0.0 to Z=66.2).
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 Ø36.6 mm and length at least 112.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.6 mm over length 23.5 mm (from Z=0.0 to Z=23.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø34.6 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 84.3 mm (from Z=0.0 to Z=84.3).
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 16MnCr5) with diameter at least Ø59.6 mm and length at least 67.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø57.6 mm over length 24.4 mm (from Z=0.0 to Z=24.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø57.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø46.6 mm over length 6.1 mm (from Z=0.0 to Z=37.7).
9. Finish turn diameter Ø39.8 mm over length 10.0 mm (from Z=0.0 to Z=31.6).
10. Finish turn diameter Ø31.8 mm over length 21.6 mm (from Z=0.0 to Z=21.6).
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 Ø47.7 mm and length at least 135.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø45.7 mm over length 8.7 mm (from Z=0.0 to Z=8.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø45.7 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 121.3 mm (from Z=0.0 to Z=121.3).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø40.1 mm and length at least 277.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.1 mm over length 30.7 mm (from Z=0.0 to Z=30.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.1 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 241.7 mm (from Z=0.0 to Z=241.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø70.1 mm and length at least 76.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.1 mm over length 31.7 mm (from Z=0.0 to Z=31.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø68.1 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 Ø54.5 mm over length 28.1 mm (from Z=0.0 to Z=40.2).
9. Finish turn diameter Ø48.5 mm over length 12.1 mm (from Z=0.0 to Z=12.1).
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 C45) with diameter at least Ø33.1 mm and length at least 278.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.1 mm over length 68.4 mm (from Z=0.0 to Z=68.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.1 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 205.5 mm (from Z=0.0 to Z=205.5).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø48.9 mm and length at least 264.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.9 mm over length 60.7 mm (from Z=0.0 to Z=60.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.9 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 198.8 mm (from Z=0.0 to Z=198.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø63.3 mm and length at least 310.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø61.3 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 Ø61.3 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 Ø42.4 mm over length 63.1 mm (from Z=0.0 to Z=270.0).
10. Finish turn diameter Ø35.8 mm over length 45.0 mm (from Z=0.0 to Z=206.9).
11. Finish turn diameter Ø30.2 mm over length 68.4 mm (from Z=0.0 to Z=161.9).
12. Finish turn diameter Ø30.0 mm over length 93.5 mm (from Z=0.0 to Z=93.5).
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 Ø66.5 mm and length at least 304.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.5 mm over length 84.7 mm (from Z=0.0 to Z=84.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.2 mm over length 54.7 mm (from Z=0.0 to Z=214.5).
10. Finish turn diameter Ø45.0 mm over length 42.0 mm (from Z=0.0 to Z=159.8).
11. Finish turn diameter Ø30.0 mm over length 117.8 mm (from Z=0.0 to Z=117.8).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø48.6 mm and length at least 89.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.6 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 Ø46.6 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 Ø34.7 mm over length 21.9 mm (from Z=0.0 to Z=67.6).
9. Finish turn diameter Ø31.3 mm over length 17.5 mm (from Z=0.0 to Z=45.7).
10. Finish turn diameter Ø30.0 mm over length 28.2 mm (from Z=0.0 to Z=28.2).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<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 Ø71.8 mm and length at least 158.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.8 mm over length 34.4 mm (from Z=0.0 to Z=34.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø69.8 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 Ø50.3 mm over length 35.6 mm (from Z=0.0 to Z=119.2).
9. Finish turn diameter Ø41.1 mm over length 48.4 mm (from Z=0.0 to Z=83.6).
10. Finish turn diameter Ø30.0 mm over length 35.2 mm (from Z=0.0 to Z=35.2).
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 Ø68.6 mm and length at least 115.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.6 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 Ø66.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø51.1 mm over length 34.4 mm (from Z=0.0 to Z=94.3).
9. Finish turn diameter Ø37.6 mm over length 27.5 mm (from Z=0.0 to Z=59.9).
10. Finish turn diameter Ø30.6 mm over length 11.6 mm (from Z=0.0 to Z=32.4).
11. Finish turn diameter Ø30.0 mm over length 20.8 mm (from Z=0.0 to Z=20.8).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø82.0 mm and length at least 284.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø80.0 mm over length 76.5 mm (from Z=0.0 to Z=76.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø80.0 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 Ø75.6 mm over length 26.6 mm (from Z=0.0 to Z=202.9).
10. Finish turn diameter Ø70.4 mm over length 71.7 mm (from Z=0.0 to Z=176.3).
11. Finish turn diameter Ø63.3 mm over length 104.6 mm (from Z=0.0 to Z=104.6).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø46.8 mm and length at least 115.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø44.8 mm over length 24.8 mm (from Z=0.0 to Z=24.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø44.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø31.9 mm over length 18.5 mm (from Z=0.0 to Z=85.6).
9. Finish turn diameter Ø30.0 mm over length 67.1 mm (from Z=0.0 to Z=67.1).
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 Ø32.3 mm and length at least 232.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.3 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 Ø30.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 199.9 mm (from Z=0.0 to Z=199.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<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 Ø65.2 mm and length at least 185.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.2 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 Ø63.2 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 Ø46.9 mm over length 17.6 mm (from Z=0.0 to Z=151.2).
9. Finish turn diameter Ø43.6 mm over length 26.3 mm (from Z=0.0 to Z=133.6).
10. Finish turn diameter Ø39.0 mm over length 46.8 mm (from Z=0.0 to Z=107.3).
11. Finish turn diameter Ø30.0 mm over length 60.5 mm (from Z=0.0 to Z=60.5).
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 16MnCr5) with diameter at least Ø57.8 mm and length at least 302.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.8 mm over length 61.6 mm (from Z=0.0 to Z=61.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø36.1 mm over length 85.9 mm (from Z=0.0 to Z=236.0).
10. Finish turn diameter Ø30.0 mm over length 150.1 mm (from Z=0.0 to Z=150.1).
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 Ø32.0 mm and length at least 68.5 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 54.2 mm (from Z=0.0 to Z=54.2).
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 Ø27.4 mm over length 9.3 mm (from Z=0.0 to Z=9.3).
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 stainless steel round bar (material 1.4301) with diameter at least Ø81.2 mm and length at least 194.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.2 mm over length 89.7 mm (from Z=0.0 to Z=89.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.2 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 Ø67.1 mm over length 10.8 mm (from Z=0.0 to Z=99.3).
9. Finish turn diameter Ø58.7 mm over length 76.7 mm (from Z=0.0 to Z=88.5).
10. Finish turn diameter Ø43.4 mm over length 11.8 mm (from Z=0.0 to Z=11.8).
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 stainless steel round bar (material 1.4301) with diameter at least Ø35.2 mm and length at least 98.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.2 mm over length 29.3 mm (from Z=0.0 to Z=29.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 64.4 mm (from Z=0.0 to Z=64.4).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø64.8 mm and length at least 172.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.8 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 Ø62.8 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 Ø48.6 mm over length 43.0 mm (from Z=0.0 to Z=122.7).
9. Finish turn diameter Ø42.4 mm over length 58.0 mm (from Z=0.0 to Z=79.7).
10. Finish turn diameter Ø30.8 mm over length 21.7 mm (from Z=0.0 to Z=21.7).
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 C45) with diameter at least Ø32.1 mm and length at least 153.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.1 mm over length 29.7 mm (from Z=0.0 to Z=29.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.1 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 118.9 mm (from Z=0.0 to Z=118.9).
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 Ø57.7 mm and length at least 109.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø55.7 mm over length 12.3 mm (from Z=0.0 to Z=12.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø55.7 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 Ø39.9 mm over length 16.7 mm (from Z=0.0 to Z=92.4).
9. Finish turn diameter Ø30.0 mm over length 75.7 mm (from Z=0.0 to Z=75.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø62.8 mm and length at least 65.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø60.8 mm over length 8.2 mm (from Z=0.0 to Z=8.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø60.8 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 Ø48.7 mm over length 5.2 mm (from Z=0.0 to Z=52.7).
9. Finish turn diameter Ø37.7 mm over length 9.5 mm (from Z=0.0 to Z=47.5).
10. Finish turn diameter Ø30.0 mm over length 38.0 mm (from Z=0.0 to Z=38.0).
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 Ø32.0 mm and length at least 101.7 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 58.0 mm (from Z=0.0 to Z=58.0).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø29.3 mm over length 38.7 mm (from Z=0.0 to Z=38.7).
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 Ø45.1 mm and length at least 214.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø43.1 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 Ø43.1 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 Ø39.9 mm over length 28.8 mm (from Z=0.0 to Z=175.8).
10. Finish turn diameter Ø35.6 mm over length 43.5 mm (from Z=0.0 to Z=147.0).
11. Finish turn diameter Ø30.0 mm over length 103.5 mm (from Z=0.0 to Z=103.5).
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 steel round bar (material 42CrMo4) with diameter at least Ø40.8 mm and length at least 261.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.8 mm over length 97.0 mm (from Z=0.0 to Z=97.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø31.3 mm over length 91.1 mm (from Z=0.0 to Z=159.3).
10. Finish turn diameter Ø30.0 mm over length 68.2 mm (from Z=0.0 to Z=68.2).
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 Ø39.6 mm and length at least 78.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.6 mm over length 8.3 mm (from Z=0.0 to Z=8.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø37.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø33.9 mm over length 20.4 mm (from Z=0.0 to Z=65.4).
9. Finish turn diameter Ø30.0 mm over length 45.0 mm (from Z=0.0 to Z=45.0).
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 Ø72.6 mm and length at least 213.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.6 mm over length 57.4 mm (from Z=0.0 to Z=57.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø53.8 mm over length 7.9 mm (from Z=0.0 to Z=150.6).
10. Finish turn diameter Ø40.5 mm over length 24.9 mm (from Z=0.0 to Z=142.7).
11. Finish turn diameter Ø32.4 mm over length 13.7 mm (from Z=0.0 to Z=117.8).
12. Finish turn diameter Ø30.0 mm over length 104.1 mm (from Z=0.0 to Z=104.1).
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 Ø49.3 mm and length at least 267.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.3 mm over length 38.5 mm (from Z=0.0 to Z=38.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 224.3 mm (from Z=0.0 to Z=224.3).
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 16MnCr5) with diameter at least Ø64.3 mm and length at least 201.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.3 mm over length 56.3 mm (from Z=0.0 to Z=56.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø62.3 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø58.0 mm over length 21.8 mm (from Z=0.0 to Z=139.8).
10. Finish turn diameter Ø41.9 mm over length 85.3 mm (from Z=0.0 to Z=118.0).
11. Finish turn diameter Ø30.0 mm over length 32.7 mm (from Z=0.0 to Z=32.7).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø72.0 mm and length at least 175.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø70.0 mm over length 37.6 mm (from Z=0.0 to Z=37.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø70.0 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø60.1 mm over length 34.8 mm (from Z=0.0 to Z=132.9).
9. Finish turn diameter Ø40.3 mm over length 22.5 mm (from Z=0.0 to Z=98.1).
10. Finish turn diameter Ø30.0 mm over length 75.6 mm (from Z=0.0 to Z=75.6).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


[User]
<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 Ø81.9 mm and length at least 96.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.9 mm over length 34.7 mm (from Z=0.0 to Z=34.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø72.4 mm over length 12.6 mm (from Z=0.0 to Z=57.2).
9. Finish turn diameter Ø68.3 mm over length 21.7 mm (from Z=0.0 to Z=44.6).
10. Finish turn diameter Ø56.1 mm over length 22.9 mm (from Z=0.0 to Z=22.9).
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 C45) with diameter at least Ø49.5 mm and length at least 89.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø47.5 mm over length 27.6 mm (from Z=0.0 to Z=27.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø47.5 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 Ø33.4 mm over length 43.0 mm (from Z=0.0 to Z=56.8).
9. Finish turn diameter Ø30.0 mm over length 13.8 mm (from Z=0.0 to Z=13.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø68.1 mm and length at least 180.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø66.1 mm over length 45.4 mm (from Z=0.0 to Z=45.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø66.1 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø46.4 mm over length 20.4 mm (from Z=0.0 to Z=130.2).
9. Finish turn diameter Ø37.4 mm over length 65.7 mm (from Z=0.0 to Z=109.8).
10. Finish turn diameter Ø30.0 mm over length 44.1 mm (from Z=0.0 to Z=44.1).
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 stainless steel round bar (material 1.4301) with diameter at least Ø79.6 mm and length at least 267.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.6 mm over length 160.9 mm (from Z=0.0 to Z=160.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.6 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø71.4 mm over length 61.0 mm (from Z=0.0 to Z=101.7).
10. Finish turn diameter Ø51.5 mm over length 40.7 mm (from Z=0.0 to Z=40.7).
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 C45) with diameter at least Ø34.5 mm and length at least 238.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø32.5 mm over length 7.2 mm (from Z=0.0 to Z=7.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø32.5 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 226.4 mm (from Z=0.0 to Z=226.4).
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 16MnCr5) with diameter at least Ø78.1 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 Ø76.1 mm over length 51.2 mm (from Z=0.0 to Z=51.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø76.1 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø63.6 mm over length 14.2 mm (from Z=0.0 to Z=171.0).
10. Finish turn diameter Ø55.8 mm over length 55.4 mm (from Z=0.0 to Z=156.8).
11. Finish turn diameter Ø52.0 mm over length 20.8 mm (from Z=0.0 to Z=101.4).
12. Finish turn diameter Ø32.7 mm over length 33.5 mm (from Z=0.0 to Z=80.6).
13. Finish turn diameter Ø30.0 mm over length 47.1 mm (from Z=0.0 to Z=47.1).
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 Ø71.6 mm and length at least 244.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø69.6 mm over length 156.1 mm (from Z=0.0 to Z=156.1).
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 Ø55.8 mm over length 22.2 mm (from Z=0.0 to Z=83.2).
10. Finish turn diameter Ø39.4 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>
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 Ø44.6 mm and length at least 320.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.6 mm over length 21.8 mm (from Z=0.0 to Z=21.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.6 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 Ø35.5 mm over length 121.0 mm (from Z=0.0 to Z=294.1).
10. Finish turn diameter Ø30.0 mm over length 173.1 mm (from Z=0.0 to Z=173.1).
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 16MnCr5) with diameter at least Ø32.0 mm and length at least 91.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 60.7 mm (from Z=0.0 to Z=60.7).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø24.0 mm over length 25.7 mm (from Z=0.0 to Z=25.7).
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 Ø48.9 mm and length at least 81.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø46.9 mm over length 14.3 mm (from Z=0.0 to Z=14.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø46.9 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 16.4 mm (from Z=0.0 to Z=62.1).
9. Finish turn diameter Ø30.0 mm over length 45.7 mm (from Z=0.0 to Z=45.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 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 Ø30.0 mm over length 93.1 mm (from Z=0.0 to Z=93.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.8 mm over length 17.5 mm (from Z=0.0 to Z=17.5).
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 stainless steel round bar (material 1.4301) with diameter at least Ø54.9 mm and length at least 73.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø52.9 mm over length 10.2 mm (from Z=0.0 to Z=10.2).
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 Ø39.5 mm over length 19.0 mm (from Z=0.0 to Z=58.1).
9. Finish turn diameter Ø30.0 mm over length 39.1 mm (from Z=0.0 to Z=39.1).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.