Mitsubishi Materials Corporation

Toru Narita

Tatsuo Arai

Takayoshi Saito

Hiroaki Hayashizaki

There is disclosed an insert cutter which includes a tool body having a plurality of mounting recesses formed in an outer peripheral surface thereof and a plurality of cutter inserts each releasably secured to a respective one of the mounting recesses and a plurality of pressing members each received in a respective one of the holes. Each of the mounting recesses defines an abutment face facing axially forwardly of the tool body. The tool body has a plurality of holes formed in the outer peripheral surface thereof and extending radially inwardly thereof. Each of the holes has an inner wall and is displaced rearwardly of the tool body from a respective one of the mounting recesses. Each of the cutter inserts has a face held in contact with the abutment face of a respective one of the mounting recesses. Each pressing member is pressed against the inner wall of the hole, whereby that portion of the tool body between the hole and the mounting recess is elastically deformed.

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Anpachi, Japan

Toru Narita