Worm ncej iav worm log siv nyob rau hauvworm iavgearbox
1) Forging 8620 raw khoom rau hauv bar
2) Kev kho cua sov ua ntej (Normalizing lossis quenching)
3) Lub tshuab dhos tig rau qhov loj me
4) Hobbing lub spline (hauv qab video koj tuaj yeem tshawb xyuas yuav ua li cas hob lub spline)
5)https://youtube.com/shorts/80o4spaWRUk
6) Carburizing kev kho cua sov
7) Kev xeem