Form rolling method for involute gear

摘要

A form rolling method for an involute gear, which includes a work piece (10) including a cylindrical outer peripheral surface having a predetermined radius, and a round die (20) with an Involute tooth profile including an addendum pitch corresponding to a pitch defined by dividing a length of an outer circumference of the work piece (10) by number of teeth of the involute gear. The round die (20) is pressed to the work piece(10) while rotating when form rolling the involuete gear.