In this methodology, by meshing the slicing tool with the gear blank, the tooth kind equal to the pitch of the cutter is generated. As for kinds of cutting instruments, they can be categorised as technique using a hob , technique using rack shaped cutter and method utilizing pinion shaped cutter. On the other automotive gears hand, the gear form milling method consists of utilizing a cutter formed because the gear groove form hooked up to a milling machine and slicing one groove of the gear at a time. The majority of metallic spur gears are made by cutting, however there are other methods such as rolling, casting and forging.
