Title:
WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/216248
Kind Code:
A1
Abstract:
This welding method is characterized by comprising: an auxiliary member arranging step of arranging an auxiliary member (10) in an inner corner formed by a back surface (1c) of a first metal member (1) and a first side surface (2b) of a second metal member (2); an inner corner friction stirring step of inserting a stirring pin (F2) of a rotary tool (F) from the inner corner, and friction-stir welding a second butting portion (J2) by relatively moving the rotary tool (F); a first butting portion friction stirring step of inserting the stirring pin (F2) of the rotary tool (F) from a surface (1b) side of the first metal member (1), and friction-stir welding a first butting portion (J1) by relatively moving the rotary tool (F) along a step portion; and a removing step of removing the auxiliary member (10) having a burr formed thereon from the first metal member (1) or the second metal member (2).
Inventors:
HORI HISASHI (JP)
SEO NOBUSHIRO (JP)
SEO NOBUSHIRO (JP)
Application Number:
PCT/JP2017/043254
Publication Date:
November 29, 2018
Filing Date:
December 01, 2017
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
B23K20/12
Foreign References:
| JP2010284704A | 2010-12-24 | |||
| JP2015120204A | 2015-07-02 | |||
| JP2010284706A | 2010-12-24 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
Download PDF: