Gear shaper cutting method and apparatus

Details Gear shaper cutting method and apparatus Gear shaper cutting method and apparatus

1998-07-07

2000-05-23

Briggs, William

Gear cutting, milling, or planing

Gear cutting

Gear tooth shape generating

407 20, 409 12, 409 51, 428698, 451148, B23F 1700

Patent

active

060659106

ABSTRACT:
A gear shaper effects a gear shaper cutting method by dry cutting, using a pinion cutter made of high-speed tool steel at a high efficiency. The pinion cutter of the gear shaper is coated, at least on the flank thereof, with at least one layer of film having a composition comprising: (Ti.sub.(1-x) Al.sub.x)(N.sub.y C.sub.(1-y) ), wherein 0.2.ltoreq.x.ltoreq.0.9 and 0.2.ltoreq.y.ltoreq.1.0. Gear shaper cutting is performed at a cutting speed of 300 m/min or less.

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Newspaper article regarding winning of Minister of International Trade and Industry Award for Superior Energy-Saving Device, Feb. 5, 1999.
Newspaper article regarding winning of Nikkei Award for Excellent Product, Feb. 18, 1999.
Kitaura, Sei-ichiro and Torii, Nobuyoshi; Practice in Cutting of a Hard Material, Dec. 1994, p. 21.
Kusakabe, Yuji, Mizuta, Mitsuo, and Arai, Kunihiko; Cutting Performance of (Ti,Al)N Coated Gear Hobs, Kobe Steel Engineering Reports, vol. 41, No. 3 (1991), p. 43.
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