Title:
等速ジョイント用ボール及びその製造方法
Document Type and Number:
Japanese Patent JP5160316
Kind Code:
B2
Abstract:
Disclosed is a ball for a constant velocity joint, and a method for producing the same. The ball for a constant velocity joint is produced via a quenching step for heating a spherical body consisting of a material corresponding to a high carbon chromium bearing steel regulated by Japanese Industrial Standards (JIS) to 840-900° C. and then cooling the spherical body under such a condition as 10-25 vol. % of austenite remains up to a first part where the depth from the surface is 0.1 mm, a step for tempering the spherical body at 150° C. or more, and a step for shot peening the spherical body and imparting a compression residual stress of −1000 MPa or more to a region reaching second part where the depth from the surface is 0.2 mm.
Inventors:
Takafumi Murakami
Naoto Shibata
Shunta Osako
Naoto Shibata
Shunta Osako
Application Number:
JP2008150856A
Publication Date:
March 13, 2013
Filing Date:
June 09, 2008
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F16D3/20; C21D6/00; C21D7/06; C21D9/36
Domestic Patent References:
| JP2001056031A | ||||
| JP2007182607A | ||||
| JP2002122145A | ||||
| JP2005314794A | ||||
| JP2006275171A | ||||
| JP5215144A | ||||
| JP2168022A |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Shuji Ouchi
Yasuharu Nakasone
Shiro Sakai
Akira Yamano
Toshiyuki Miyadera
Shuji Ouchi
Yasuharu Nakasone
Shiro Sakai
Akira Yamano