Title:
JOINING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/131560
Kind Code:
A1
Abstract:
The present invention is characterized in that: an overlapping step, in which a front surface (1b) of a first metal member (1) and a back surface (2c) of a second metal member (2) are overlapped, and a welding step, in which the first metal member (1) and the second metal member (2) are subjected to hybrid welding using a hybrid welder provided with a preceding laser welding unit and a succeeding arc welding unit, are included; and, in the welding step, along a set movement route (L1) set in an overlap section (J1) formed by the overlapping of the first metal member (1) and the second metal member (2), the overlap section (J1) is irradiated with a laser beam (LB) from a front surface (2b) of the second metal member (2) to perform the laser welding and the arc welding, the laser beam (LB) being amplified so as to intersect the set movement route (L1).
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Inventors:
YOSHIDA RYO (JP)
KANEKI HIROSHI (JP)
KANEKI HIROSHI (JP)
Application Number:
PCT/JP2020/044889
Publication Date:
July 01, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
B23K26/348; B23K9/16
Foreign References:
| JP2001246485A | 2001-09-11 | |||
| JP2008194730A | 2008-08-28 | |||
| JP2003170285A | 2003-06-17 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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