Title:
Shot peening method
Document Type and Number:
Japanese Patent JP6115554
Kind Code:
B2
Abstract:
A method of shot peening according to the present invention includes: placing a jig having an appropriate dimension at one face side of a stamped workpiece; and performing shot peening on another face side of the workpiece in a state where the jig is placed at the one face side of the workpiece, and conforming the workpiece to the jig. At this time, the shot peening may be performed in such a way that residual stresses in the inner side and the outer side of the curved part of the workpiece will become compressive stresses.
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Inventors:
Tetsuji Egawa
Umehara Kei
Hiromi Tomoto
Umehara Kei
Hiromi Tomoto
Application Number:
JP2014248156A
Publication Date:
April 19, 2017
Filing Date:
December 08, 2014
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B21D1/06; B24C1/10
Domestic Patent References:
| JP7155841A | ||||
| JP2004130368A | ||||
| JP52099961A |
Foreign References:
| US3000425 | ||||
| GB2118085A |
Attorney, Agent or Firm:
Ken Ieiri