Title:
JOINING METHOD
Document Type and Number:
Japanese Patent JP2019000883
Kind Code:
A
Abstract:
To provide a joining method for joining a laminate metal foil and a metal plate that provides excellent joining quality without cracks and cuts by improving the extension of a material.SOLUTION: A method for laying a laminate metal foil made of a lamination of two or more metal foils between a first metal plate and a second metal plate and joining the metal plate and the laminate metal foil by caulking, comprises: a laser beam irradiation process of heating to a temperature at which the second metal plate does not melt and that promotes a plastic flow of the second metal plate during caulking, by applying a laser beam to the vicinity of a position where the second metal plate arranged on the punch side is to be caulked before caulking by a punch and a die; and a process of performing caulking in a heated state of the second metal plate.SELECTED DRAWING: Figure 3
Inventors:
OKAZAKI TOMOYA
UCHIDA YOSHIAKI
UCHIDA YOSHIAKI
Application Number:
JP2017118767A
Publication Date:
January 10, 2019
Filing Date:
June 16, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B21D39/03; B21D37/16; F16B4/00
Domestic Patent References:
| JP2014140890A | 2014-08-07 | |||
| JPH10230378A | 1998-09-02 | |||
| JP2016166543A | 2016-09-15 | |||
| JPH0356615A | 1991-03-12 | |||
| JP2013043184A | 2013-03-04 |
Foreign References:
| US20030037428A1 | 2003-02-27 | |||
| CN102672062A | 2012-09-19 |
Attorney, Agent or Firm:
Ken Ieiri