| 1.Worm gear material:
worm:18CrMnTi,20CrMnTi,20Cr,20CrV, 1045 steel,etc
worm gear:GCu Sn12, to reduce cost, we also can make
worm gear with core made of iron and outside part of gear is still made by bronze.
2.Testing: flawless test method, supersonic flaw detecting machine, strict... |