For the gear, mainly produced by the hobbing machine, with 40 degrees hardness and less than 3 modulus, tooth-shaped testing can reach 6-7 level accuracy, surface roughness can reach 1.2, in some aspect have been instead of grinding teeth.
Product Detail:
Product applicable in gearbox/speed reducer
Specification
Accuracy Grade
Milling: 6 grade
Hobbing: 7 grade