Sumitomo Electric Industries, Limited

Sumitomo Electric Hardmetal Corp.

Dmg Mori Seiki Co., Ltd.

Takayuki Hirokawa

Junya Okida

Daisuke Murakami

Shigenori Emoto

Kazuo Noguchi

Morihiro Hideta

Shinya Ikenaga

Yohei Oda

Suehiro Ikeda

Yoshio Ohara

Kazuya Ishikawa

A cutting insert is configured to include: a first portion having a rake face, a flank face, a cutting edge, and a face facing an insert attachment portion at an end of a tool main body; and a second portion having a side surface including at least one flat plane that is parallel to a center line of a tool or inclined at a prescribed angle to the center line. The second portion extends continuously to a region surrounded by the face of the first portion. The second portion is fitted into the tool main body to position the cutting insert and to prevent the cutting insert from rotating.

Lathe turning tool

Growing community of inventors

Kyoto, Japan

Takayuki Hirokawa