Title:
クランクシャフトの製造方法
Document Type and Number:
Japanese Patent JP6508461
Kind Code:
B2
Abstract:
A method of manufacturing a crankshaft according to the present invention is a method of manufacturing a crankshaft including a step of applying a predetermined roll to rounded corners (7, 9) of an axial end of a crank journal portion (3a to 3e) and an axial end of a crank pin portion (5a to 5d) (6) of the crank pin portions (5a to 5d), and a circle of the respective axial ends of the crankshaft journal portions (3a to 3e) after completion of the rolling process, And the corner portions (7, 9) are subjected to high-frequency quenching.
Inventors:
Yoshimasa Taniguchi
Shinji Ueno
Mitsuo Otsuki
Hajime Goto
Shinji Ueno
Mitsuo Otsuki
Hajime Goto
Application Number:
JP2015071249A
Publication Date:
May 08, 2019
Filing Date:
March 31, 2015
Export Citation:
Assignee:
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
International Classes:
F16C3/08; B21J9/02; B21K1/08; C21D1/10; C21D9/30
Domestic Patent References:
| JP10317062A | ||||
| JP2000337345A |
Attorney, Agent or Firm:
Shiro Aihara