Title:
ARC WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/190687
Kind Code:
A1
Abstract:
The present invention provides an arc welding method including holding an orientation of a welded member W such that a first edge and a second edge of the welded member W face sideways and that the first edge and the second edge are inclined downward. The arc welding method further includes subsequently moving a tip of a first welding torch 32 closer to the first edge from sideways and advancing the tip downward while performing welding, and moving a tip of a second welding torch 42 closer to the second edge from sideways and advancing the tip downward while performing welding.
Inventors:
OKA HIDENORI (JP)
TAKAMURA KATSUYUKI (JP)
TANAKA HIROYUKI (JP)
TAMURA KEIWA (JP)
TAKAMURA KATSUYUKI (JP)
TANAKA HIROYUKI (JP)
TAMURA KEIWA (JP)
Application Number:
PCT/JP2022/002915
Publication Date:
September 15, 2022
Filing Date:
January 26, 2022
Export Citation:
Assignee:
Y TEC CORP (JP)
Y TEC KEYLEX INT CORPORATION (JP)
KEYLEX CORP (JP)
Y TEC KEYLEX INT CORPORATION (JP)
KEYLEX CORP (JP)
International Classes:
B23K9/02; B23K9/12
Domestic Patent References:
| WO2016129389A1 | 2016-08-18 |
Foreign References:
| JPS6340673A | 1988-02-22 | |||
| JPH06269942A | 1994-09-27 | |||
| JP2018130744A | 2018-08-23 | |||
| JP2006341283A | 2006-12-21 | |||
| JP2006334628A | 2006-12-14 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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