BROACH CHIP REMOVAL APPARATUS AND BROACH CHIP REMOVAL METHOD

WIPO Patent Application WO/2011/096105

A1

Disclosed are a broach chip removal apparatus and a broach chip removal method with which chips attached inside cutting grooves can be efficiently removed from a broach by inserting a brush up to the end of the cutting grooves of the broach. A broach chip removal apparatus for removing chips from a broach (11) in which cutting edges (12) are provided in multiple stages at regular intervals in the axial direction of the broach (11), wherein the broach chip removal apparatus is provided with: a broach movement motor (22) which moves the broach (11) in the axial direction of the broach (11); a brush (33) which has a screw shape having a lead equal to the pitch between the cutting edges (12) so that the brush (33) can mesh with cutting grooves (13) formed between the cutting edges (12); a brush rotation motor (41) which rotates the brush (33) about the axis of the brush (33); and an NC apparatus (51) which controls the broach movement motor (22) and the brush rotation motor (41) in such a way that the brush (33) meshes with the cutting grooves (13).

FUJITA Yoshihito (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
藤田　善仁 (〒15 東京都港区港南二丁目１６番５号　三菱重工業株式会社内 Tokyo, 〒1088215, JP)

JP2010/065907

August 11, 2011

September 15, 2010

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MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
三菱重工業株式会社 (〒15 東京都港区港南二丁目１６番５号 Tokyo, 〒1088215, JP)
FUJITA Yoshihito (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)

B23D39/00; B23Q11/00

MITSUISHI Toshiro et al. (Mitsuishi Law and Patent Office, 9-15 Akasaka 1-chome, Minato-k, Tokyo 52, 〒1070052, JP)

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