Honda Motor Co., Ltd.

Osg Corporation

Masahiro Oiwake

Hideo Watanabe

Satoshi Komuro

Takeshi Mochizuki

Yoshihiro Umebayashi

Masahiko Igarashi

Nobuyoshi Asaga

Daisuke Sakurai

Manabu Igusa

A spline rolling tool including a plurality of forming teeth that are to bite into a cylindrical workpiece so as to roll splines in the workpiece. Each of the forming teeth has an incomplete toothed region in which a crest of each forming tooth is removed such that an upper end of each forming tooth in the incomplete toothed region is defined by an incomplete-toothed region surface that includes a curved surface portion, a flat surface portion and a slant surface portion. The incomplete-toothed region surface is defined at its periphery by a chamfered edge that has a surface roughness of not larger than about 3.2 &#x3bc;m. Also disclosed is a process of manufacturing the spline rolling tool, which includes a chamfering step of forming the chamfered edge by using a wire brush having abrasive grains that are fixed to bristles of the wire brush.

Spline rolling tool, and process of manufacturing spline rolling tool

Growing community of inventors

Toyohashi, Japan

Masahiro Oiwake