Technological procedure of making a shaft on a lathe

Steps:
1. Clamp into jaws diameter 42, lenght 140
2. Level the front surface and drill it
3. Produce operation Nr.2
4. Clamp and strut by the tailstock
5. Turn/machine to diameter 31 , lenght 109
6. Clamp after diameter 31 and machine to diameter 39
7. Shorten to lenght 137
8. Machine to diameter 37, lenght 15
9. Round off R2 and bevel 1x45°
10. Clamp the diameter 39
11. machine to diameter 30
12. Make a slot - diameter 28, width 1,6
13. Turn cone 9°
14. Make a slot R2 diameter 15,5
15. Tap a thread M18x1,5

And the shaft is ready to use.