Flank Worms of Worm Gear Hob

the flank worms of a worm gear hob is determined by the flank form of the driving worm. The various flank forms are standardized in DIN 3975, which distinguishes between ZA, ZN, ZI, and ZK worms, according to the generating method.

Worm gear hobs are shank type worm wheel hobs, bore type worm gear hob, without single start, 2 start, or multi-starts, which can be made in HSS M2, M35, ASP30, ASP52, S390.