Title:
GEAR COMPONENT
Document Type and Number:
WIPO Patent Application WO/2023/182333
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a gear component in which the surface layer of the dedendum has a high hardness and the bending fatigue strength is excellent. The gear component according to the present invention is characterized in that the surface layer of the dedendum includes a portion having a carbide area percentage of 10% or less and a carbide number density of 6/10 μm2 or less.
Inventors:
NONOMURA KAZUYA (JP)
FUKUDA KUNIHIRO (JP)
TAHARA YUUKI (JP)
FUKUDA KUNIHIRO (JP)
TAHARA YUUKI (JP)
Application Number:
PCT/JP2023/011142
Publication Date:
September 28, 2023
Filing Date:
March 22, 2023
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
C23C8/22; C21D1/06; C21D9/32; F16H55/06
Foreign References:
| JP2000018369A | 2000-01-18 | |||
| JP2001098343A | 2001-04-10 | |||
| JP2005163173A | 2005-06-23 | |||
| JP2002113544A | 2002-04-16 | |||
| JP2016023346A | 2016-02-08 |
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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