1. Gear hobbing machinery are intended for hobbing spur and helical gears as well as worm wheels.
2. The machinery permit cutting by climbing hobbing method, in addition to conventional hobbing method, to raise the productivity of the machinery.
3. A rapid traverse device of hob slide and an automatic stop mechanism are provided on the machinery allowing several machinery to be handled by on operator
4. The machinery are easy in operation and convenient to maintained.