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Title:
疲労特性に優れた歯車およびその疲労特性向上方法
Document Type and Number:
Japanese Patent JP4441371
Kind Code:
B2
Abstract:

To provide a gear having superior gear characteristics and its fatigue characteristics improving method.

In this gear having superior fatigue characteristics and its fatigue characteristics improving method, residual stress on a dedendum flank or a tooth flank satisfies a formula (A): -2.4<(residual stress [MPa])/(surface Vickers hardness Hv.)<-1.5.

COPYRIGHT: (C)2006,JPO&NCIPI


Inventors:
Takashi Fujita
Toda Masahiro
Application Number:
JP2004295863A
Publication Date:
March 31, 2010
Filing Date:
October 08, 2004
Export Citation:
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Assignee:
Nippon Steel Corporation
International Classes:
F16H55/17; C21D7/06; C21D9/32
Domestic Patent References:
JP2002030344A
JP2000018369A
JP2000346177A
JP10202435A
JP9296250A
JP2002102994A
JP2000002315A
JP2000042923A
Attorney, Agent or Firm:
Etsuichi Matsumoto
Shiina Akira