High Speed Precision Dry Hobbing  Replacing Conventional Hobbing and Shaving

Tatsuro TAKAGI; Noritaka FUJIMURA; Keisuke YOSHIKAWA; Kazuyuki ISHIZU; Manami GOTO; Syuhei KUROKAWA

doi:10.1299/jsmelem.2021.10.021-088

2021.10

Session ID : 021-088

DOI https://doi.org/10.1299/jsmelem.2021.10.021-088

Conference information

Host: The Japan Society of Mechanical Engineers

Name : [in Japanese]

Date : November 14, 2021 - November 18, 2021

High Speed Precision Dry Hobbing Replacing Conventional Hobbing and Shaving

Tatsuro TAKAGI, Noritaka FUJIMURA, Keisuke YOSHIKAWA, Kazuyuki ISHIZU, Manami GOTO, Syuhei KUROKAWA

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Keywords: Gear, High speed dry hobbing, Precision dry hobbing, Process integration, Carbide hobbing, Environmentally friendly manufacturing

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Abstract

High Speed Precision Dry Hobbing, in which cutting speed is from 1000 to 2450 m/min with axial feed 0.3mm/part-rev., achieved gear accuracy equivalent to a shaving process; ISO grade 6 in profile, ISO grade 3 in helix, and surface roughness Ra 0.3 by a single-cut strategy. The stable cutting force and low workpiece temperature by the cutting speed of 2450 m/min were observed in spite of producing red heated cutting chips. By replacing conventional hobbing and shaving with high speed precision dry hobbing, an environmentally friendly manufacturing process can be achieved.

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