How many models are there in the hob bore of Chongqing hobbing machine?

three. There are three specifications of hob inner hole, Y3115, Y368 and Y315. The internal teeth of hobbing machine need special hob according to the different modulus and spiral angle of workpiece. Gear hobbing machine is the most widely used machine tool in gear processing. It can cut straight and helical cylindrical gears, as well as worm gears and sprockets.