[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 Ø36.7 mm and length at least 149.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø34.7 mm over length 46.5 mm (from Z=0.0 to Z=46.5).
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. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.8 mm over length 52.9 mm (from Z=0.0 to Z=98.1).
9. Finish turn diameter Ø30.0 mm over length 45.2 mm (from Z=0.0 to Z=45.2).
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 16MnCr5) with diameter at least Ø79.8 mm and length at least 161.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø77.8 mm over length 48.8 mm (from Z=0.0 to Z=48.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø77.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø70.1 mm over length 24.9 mm (from Z=0.0 to Z=107.6).
9. Finish turn diameter Ø51.0 mm over length 51.7 mm (from Z=0.0 to Z=82.7).
10. Finish turn diameter Ø38.3 mm over length 21.9 mm (from Z=0.0 to Z=31.0).
11. Finish turn diameter Ø31.8 mm over length 9.1 mm (from Z=0.0 to Z=9.1).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø33.2 mm and length at least 271.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø31.2 mm over length 25.6 mm (from Z=0.0 to Z=25.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø31.2 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 240.9 mm (from Z=0.0 to Z=240.9).
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 Ø67.4 mm and length at least 251.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.4 mm over length 54.1 mm (from Z=0.0 to Z=54.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø46.5 mm over length 34.1 mm (from Z=0.0 to Z=192.8).
10. Finish turn diameter Ø30.8 mm over length 85.0 mm (from Z=0.0 to Z=158.7).
11. Finish turn diameter Ø30.0 mm over length 73.7 mm (from Z=0.0 to Z=73.7).
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 stainless steel round bar (material 1.4301) with diameter at least Ø32.0 mm and length at least 264.3 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 189.3 mm (from Z=0.0 to Z=189.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø27.0 mm over length 70.0 mm (from Z=0.0 to Z=70.0).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø64.5 mm and length at least 206.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø62.5 mm over length 54.1 mm (from Z=0.0 to Z=54.1).
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. 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 53.1 mm (from Z=0.0 to Z=147.8).
10. Finish turn diameter Ø53.4 mm over length 7.1 mm (from Z=0.0 to Z=94.7).
11. Finish turn diameter Ø49.4 mm over length 43.6 mm (from Z=0.0 to Z=87.6).
12. Finish turn diameter Ø33.9 mm over length 44.0 mm (from Z=0.0 to Z=44.0).
13. Break all edges (e.g., 2×45° where applicable).
14. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø51.4 mm and length at least 324.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.4 mm over length 128.3 mm (from Z=0.0 to Z=128.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.4 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 Ø44.5 mm over length 18.8 mm (from Z=0.0 to Z=191.6).
10. Finish turn diameter Ø37.6 mm over length 37.9 mm (from Z=0.0 to Z=172.8).
11. Finish turn diameter Ø30.0 mm over length 134.9 mm (from Z=0.0 to Z=134.9).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø60.5 mm and length at least 177.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.5 mm over length 27.0 mm (from Z=0.0 to Z=27.0).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø58.5 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 Ø45.5 mm over length 29.4 mm (from Z=0.0 to Z=145.7).
10. Finish turn diameter Ø30.0 mm over length 116.3 mm (from Z=0.0 to Z=116.3).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø58.7 mm and length at least 191.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.7 mm over length 48.1 mm (from Z=0.0 to Z=48.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø56.7 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 Ø50.1 mm over length 11.6 mm (from Z=0.0 to Z=138.2).
9. Finish turn diameter Ø42.6 mm over length 48.4 mm (from Z=0.0 to Z=126.6).
10. Finish turn diameter Ø31.0 mm over length 30.9 mm (from Z=0.0 to Z=78.2).
11. Finish turn diameter Ø30.0 mm over length 47.3 mm (from Z=0.0 to Z=47.3).
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 stainless steel round bar (material 1.4301) with diameter at least Ø65.6 mm and length at least 129.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø63.6 mm over length 40.4 mm (from Z=0.0 to Z=40.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø63.6 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø48.5 mm over length 48.4 mm (from Z=0.0 to Z=83.8).
9. Finish turn diameter Ø30.0 mm over length 35.4 mm (from Z=0.0 to Z=35.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a stainless steel round bar (material 1.4301) with diameter at least Ø38.4 mm and length at least 65.8 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø36.4 mm over length 20.1 mm (from Z=0.0 to Z=20.1).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø36.4 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 40.7 mm (from Z=0.0 to Z=40.7).
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 C45) with diameter at least Ø35.5 mm and length at least 250.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø33.5 mm over length 49.4 mm (from Z=0.0 to Z=49.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø33.5 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 195.7 mm (from Z=0.0 to Z=195.7).
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 Ø32.0 mm and length at least 239.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.0 mm over length 164.3 mm (from Z=0.0 to Z=164.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø22.5 mm over length 69.8 mm (from Z=0.0 to Z=69.8).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a aluminium alloy round bar (material EN AW-6082) with diameter at least Ø44.2 mm and length at least 69.0 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø42.2 mm over length 12.5 mm (from Z=0.0 to Z=12.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø42.2 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 51.5 mm (from Z=0.0 to Z=51.5).
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 Ø66.2 mm and length at least 160.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø64.2 mm over length 8.8 mm (from Z=0.0 to Z=8.8).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø64.2 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 69.6 mm (from Z=0.0 to Z=146.8).
9. Finish turn diameter Ø55.1 mm over length 77.2 mm (from Z=0.0 to Z=77.2).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø60.8 mm and length at least 280.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø58.8 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 Ø58.8 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 Ø44.2 mm over length 59.9 mm (from Z=0.0 to Z=252.9).
10. Finish turn diameter Ø30.0 mm over length 193.0 mm (from Z=0.0 to Z=193.0).
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 Ø40.9 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 Ø38.9 mm over length 24.3 mm (from Z=0.0 to Z=24.3).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.9 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø32.5 mm over length 30.1 mm (from Z=0.0 to Z=105.7).
9. Finish turn diameter Ø30.0 mm over length 75.6 mm (from Z=0.0 to Z=75.6).
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 Ø32.0 mm and length at least 210.9 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 99.2 mm (from Z=0.0 to Z=99.2).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø29.7 mm over length 106.7 mm (from Z=0.0 to Z=106.7).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 16MnCr5) with diameter at least Ø67.8 mm and length at least 141.3 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø65.8 mm over length 38.4 mm (from Z=0.0 to Z=38.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø65.8 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 Ø56.6 mm over length 23.6 mm (from Z=0.0 to Z=97.9).
9. Finish turn diameter Ø49.2 mm over length 74.3 mm (from Z=0.0 to Z=74.3).
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 Ø70.1 mm and length at least 259.6 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø68.1 mm over length 71.2 mm (from Z=0.0 to Z=71.2).
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. 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 Ø54.8 mm over length 64.7 mm (from Z=0.0 to Z=183.4).
10. Finish turn diameter Ø44.6 mm over length 105.3 mm (from Z=0.0 to Z=118.7).
11. Finish turn diameter Ø40.8 mm over length 13.4 mm (from Z=0.0 to Z=13.4).
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 aluminium alloy round bar (material EN AW-6082) with diameter at least Ø32.3 mm and length at least 288.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.3 mm over length 49.8 mm (from Z=0.0 to Z=49.8).
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 233.3 mm (from Z=0.0 to Z=233.3).
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 Ø53.6 mm and length at least 74.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø51.6 mm over length 20.7 mm (from Z=0.0 to Z=20.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø51.6 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 14.7 mm (from Z=0.0 to Z=48.4).
9. Finish turn diameter Ø32.6 mm over length 9.9 mm (from Z=0.0 to Z=33.7).
10. Finish turn diameter Ø30.0 mm over length 23.8 mm (from Z=0.0 to Z=23.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø75.2 mm and length at least 73.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø73.2 mm over length 15.9 mm (from Z=0.0 to Z=15.9).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø73.2 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø57.1 mm over length 16.5 mm (from Z=0.0 to Z=53.0).
9. Finish turn diameter Ø50.7 mm over length 18.1 mm (from Z=0.0 to Z=36.5).
10. Finish turn diameter Ø45.0 mm over length 13.4 mm (from Z=0.0 to Z=18.4).
11. Finish turn diameter Ø39.9 mm over length 5.0 mm (from Z=0.0 to Z=5.0).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø81.3 mm and length at least 310.7 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø79.3 mm over length 79.6 mm (from Z=0.0 to Z=79.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø79.3 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 Ø72.3 mm over length 163.1 mm (from Z=0.0 to Z=226.1).
10. Finish turn diameter Ø57.1 mm over length 63.0 mm (from Z=0.0 to Z=63.0).
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 Ø51.9 mm and length at least 313.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø49.9 mm over length 95.7 mm (from Z=0.0 to Z=95.7).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø49.9 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 Ø42.9 mm over length 102.4 mm (from Z=0.0 to Z=213.2).
10. Finish turn diameter Ø30.2 mm over length 110.8 mm (from Z=0.0 to Z=110.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø39.8 mm and length at least 101.4 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø37.8 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 Ø37.8 mm.
6. Face the end and set Z=0.
7. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
8. Finish turn diameter Ø30.0 mm over length 53.7 mm (from Z=0.0 to Z=53.7).
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 Ø40.8 mm and length at least 299.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø38.8 mm over length 104.6 mm (from Z=0.0 to Z=104.6).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø38.8 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 189.6 mm (from Z=0.0 to Z=189.6).
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 C45) with diameter at least Ø58.0 mm and length at least 209.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø56.0 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 Ø56.0 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 Ø41.5 mm over length 45.1 mm (from Z=0.0 to Z=157.7).
10. Finish turn diameter Ø35.6 mm over length 24.8 mm (from Z=0.0 to Z=112.6).
11. Finish turn diameter Ø30.0 mm over length 87.8 mm (from Z=0.0 to Z=87.8).
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 stainless steel round bar (material 1.4301) with diameter at least Ø73.3 mm and length at least 290.1 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø71.3 mm over length 54.5 mm (from Z=0.0 to Z=54.5).
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 Ø58.1 mm over length 51.0 mm (from Z=0.0 to Z=230.6).
10. Finish turn diameter Ø49.4 mm over length 37.1 mm (from Z=0.0 to Z=179.6).
11. Finish turn diameter Ø40.5 mm over length 47.9 mm (from Z=0.0 to Z=142.5).
12. Finish turn diameter Ø35.6 mm over length 56.8 mm (from Z=0.0 to Z=94.6).
13. Finish turn diameter Ø30.0 mm over length 37.8 mm (from Z=0.0 to Z=37.8).
14. Break all edges (e.g., 2×45° where applicable).
15. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø69.0 mm and length at least 219.2 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø67.0 mm over length 58.4 mm (from Z=0.0 to Z=58.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø67.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø50.4 mm over length 25.9 mm (from Z=0.0 to Z=155.8).
10. Finish turn diameter Ø46.8 mm over length 64.5 mm (from Z=0.0 to Z=129.9).
11. Finish turn diameter Ø30.0 mm over length 65.4 mm (from Z=0.0 to Z=65.4).
12. Break all edges (e.g., 2×45° where applicable).
13. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material 42CrMo4) with diameter at least Ø32.4 mm and length at least 244.9 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø30.4 mm over length 174.5 mm (from Z=0.0 to Z=174.5).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.4 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø30.0 mm over length 65.4 mm (from Z=0.0 to Z=65.4).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.


[User]
<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 Ø56.8 mm and length at least 105.5 mm to allow machining allowances.
2. Mount the bar in a three-jaw chuck.
3. Face the end.
4. Finish turn the holding diameter Ø54.8 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 Ø54.8 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 Ø46.0 mm over length 24.8 mm (from Z=0.0 to Z=80.6).
9. Finish turn diameter Ø38.6 mm over length 22.0 mm (from Z=0.0 to Z=55.8).
10. Finish turn diameter Ø30.0 mm over length 33.8 mm (from Z=0.0 to Z=33.8).
11. Break all edges (e.g., 2×45° where applicable).
12. Remove the workpiece from the lathe.


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

[Assistant]
1. Select a steel round bar (material C45) with diameter at least Ø32.0 mm and length at least 219.3 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 153.4 mm (from Z=0.0 to Z=153.4).
5. Mount the bar in a three-jaw chuck by the holding diameter Ø30.0 mm.
6. Face the end and set Z=0.
7. Center-drill the free end and support the bar with tail support.
8. Rough turn the remaining outer surfaces leaving ~0.5–1.0 mm stock per side for finishing.
9. Finish turn diameter Ø18.0 mm over length 60.9 mm (from Z=0.0 to Z=60.9).
10. Break all edges (e.g., 2×45° where applicable).
11. Remove the workpiece from the lathe.