Title:
WELDING CONTROL METHOD FOR AUTOMATIC WELDING, CONTROL DEVICE, WELDING SYSTEM, PROGRAM, AND WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/188889
Kind Code:
A1
Abstract:
A welding control method for welding to form a molten pool, the method including: an acquisition step for acquiring image data including the molten pool; an identifying step for identifying, on the basis of the acquired image data, a plurality of feature points near a boundary between the molten pool and an unmolten portion at least on the side in the direction of welding progress; a calculating step for calculating geometric quantity data on the basis of information about the plurality of feature points; a determining step for determining whether a weld is appropriate or inappropriate on the basis of the geometric quantity data and a predetermined threshold value; and a correcting step for correcting the welding conditions on the basis of a result of the determination in the determining step.
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Inventors:
OZAKI KEITA
YOSHIMOTO TATSUYA
FURUKAWA NAOHIDE
YOSHIMOTO TATSUYA
FURUKAWA NAOHIDE
Application Number:
PCT/JP2023/004866
Publication Date:
October 05, 2023
Filing Date:
February 13, 2023
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K9/095; B23K9/10; B23K9/12; B23K9/127; B23K31/00
Foreign References:
| JP2020182963A | 2020-11-12 | |||
| JP2021079444A | 2021-05-27 | |||
| JP2020182966A | 2020-11-12 | |||
| JP2019098341A | 2019-06-24 |
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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