Title:
内歯の高周波焼入れ方法とそれに用いる高周波焼入れ装置
Document Type and Number:
Japanese Patent JP4209116
Kind Code:
B2
Abstract:
To prevent a workpiece from deforming by heat for induction- hardening internal tooth, and to assure required accuracy.
The method for induction-hardening the internal tooth 18 formed in the inner circumference of a flange 16 of the workpiece 10, in which a base 12 is connected with the above flange 16 located at a perimeter of the base 12 with a step, because of being half-blanking-formed, comprises heating the above flange 16 from its periphery side till the internal tooth 18 reaches a predetermined temperature, and then cooling the above flange 16 from the periphery side.
COPYRIGHT: (C)2003,JPO
Inventors:
Shinhiko Yamazaki
Yoshimasa Tanaka
Katsumi Omiya
Yoshimasa Tanaka
Katsumi Omiya
Application Number:
JP2002018809A
Publication Date:
January 14, 2009
Filing Date:
January 28, 2002
Export Citation:
Assignee:
Toyota Boshoku Co., Ltd.
Neturen Co., Ltd.
Neturen Co., Ltd.
International Classes:
C21D9/32; F16H55/06; C21D1/10; F16H55/17; H05B6/10
Domestic Patent References:
| JP60159114A | ||||
| JP5056946U | ||||
| JP64075629A | ||||
| JP5148531A | ||||
| JP6122926A |
Attorney, Agent or Firm:
Hidehiko Okada
Tetsuo Fukuda
Atsuko Nakamura
Tetsuo Fukuda
Atsuko Nakamura