中硬度歯車の超硬仕上げホブ切りに関する研究 : 第2報,切れ刃への切りくず付着と仕上げ面粗さ

概要

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In hobbing of the hardened and tempered gears, the tooth surface is degraded owing to the overcutting by the chip and built-up edge and the transcription of the shape of worn or chipped edge. The following for the improvement of the tooth surface roughness were found out in the first report; (1) The removal of chips attached on the tool during cutting, and (2) The use of P30 carbide grade tip and TiC-TiN-TaN cermet tip. By the way, the phenomenon that a part of the chip attaches on the tool flank when the tool wear becomes large is found out in the finish hobbing test with the carbide hob, and this phenomenon is closely related to the surface roughness. In this report, the relation between the adhesion of chips on the tool flank and the finished surface roughness is investigated and discussed by the fundamental test of fly-tools.
一般社団法人日本機械学会の論文
1988-03-25