Steel Worm iavcov ncej siv nyob rau hauv worm gearbox worm log iav ntsia hlau
1) Forging 8620 raw khoom rau hauv bar
2) Pre-Heat Treat 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