US 12,275,099 B2
Welding control device, display control device, welding system, welding control method, and program
Nobuaki Tanaka, Fujisawa (JP); and Akira Okamoto, Kobe (JP)
Assigned to Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Kobe (JP)
Appl. No. 17/266,861
Filed by Kobe Steel, Ltd., Kobe (JP)
PCT Filed Aug. 7, 2019, PCT No. PCT/JP2019/031251
§ 371(c)(1), (2) Date Feb. 8, 2021,
PCT Pub. No. WO2020/039948, PCT Pub. Date Feb. 27, 2020.
Claims priority of application No. 2018-154606 (JP), filed on Aug. 21, 2018.
Prior Publication US 2021/0291288 A1, Sep. 23, 2021
Int. Cl. B23K 9/095 (2006.01); B23K 9/10 (2006.01)
CPC B23K 9/095 (2013.01) [B23K 9/10 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A welding control device for controlling a welding condition when arc welding is performed on a groove having a root gap, the welding control device comprising:
a first detector that detects, from a captured image of a fusion zone formed in the groove, a position of a tip of the fusion zone with respect to a direction in which the arc welding progresses;
a second detector;
determination means that determines a relation between the position of the end and the position of the tip of the fusion zone; and
a controller that controls the welding condition in accordance with a determination result of the determination means,
wherein the controller decides a correction amount of the welding condition in accordance with both or either one of:
with respect to a width direction of the groove perpendicular to both the direction in which the arc welding progresses and a thickness direction of the to-be-welded object in a surface of the to-be-welded object,
a distance between the end of the to-be-welded object positioned on one side and the tip of the fusion zone positioned on the one side, and
a distance between the end of the to-be-welded object positioned on the other side opposite to the one side and the tip of the fusion zone positioned on the other side.