Worm shaft gear worm wheel digunakake ingpiranti cacingkothak gear
1) Forging 8620 bahan baku menyang bar
2) Pre-Heat Treat (Normalizing utawa Quenching)
3) Lathe Nguripake kanggo dimensi kasar
4) Hobbing spline (ing video ing ngisor iki sampeyan bisa mriksa carane hob spline)
5)https://youtube.com/shorts/80o4spaWRUk
6) Carburizing perawatan panas
7) Testing