Hob Cutting Condition

Cutting speed V=ΠDN/1000(m/min)

Π: Circle Ratio D(Hob OD), N(RPM)

A factor of cutting speed

1,Workability of material

2, The module of gear

3, Cutting depth

4, Gear class

5,Hob material

6, Required hobbing time per piece

7, Machine rigidity