INTERNAL GEAR MACHINING METHOD AND INTERNAL GEAR MACHINING DEVICE

WIPO Patent Application WO/2011/024626

A1

Provided are an internal gear machining method and an internal gear machining device, by which a precise tooth profile grinding can be realized by correcting a tooth profile error when grinding of a tooth profile of an internal gear is performed using a barrel-shaped threaded grinding wheel. An NC device (31) which functions as a tooth profile error correction means in an internal gear grinding machine (internal gear machining device) reduces a measured pressure angle error (∆faL, ∆faR) of a workpiece (W) (internal gear) at a tooth face by correcting the radial position, the lateral position of the grinding wheel, the turning angle of the grinding wheel, and the helical motion; reduces a measured error (∆L) in the direction of a tooth trace of the workpiece (W) at a tooth face by correcting the helical motion; and reduces a measured tooth thickness error (∆th) of the workpiece (W) at a tooth face by correcting the radial position, the lateral position of the grinding wheel, and the helical motion.

YANASE Yoshikoto (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
▲柳▼瀬　吉言 (〒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)

JP2010/063351

March 03, 2011

August 06, 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)
YANASE Yoshikoto (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)

B23F5/04

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

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