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Title:
LASER ARC HYBRID WELDING METHOD
Document Type and Number:
Japanese Patent JP2022050750
Kind Code:
A
Abstract:
To provide a laser arc hybrid welding method in which an amount of heat is applied stably to a workpiece.SOLUTION: A targeting position At of arc discharge is offset to a first workpiece W1 side beyond a welding line Wt, when a first workpiece W1 denotes a workpiece whose surface is located on an arc wire side beyond a surface of a second workpiece W2, out of two workpieces W1 and W2 to be welded using laser arc hybrid welding. Therefore, a distance between an arc wire and the first workpiece W1 can still be kept shorter than a distance between the arc wire and the second workpiece W2, although the arc wire is relatively displaced from a second workpiece W2 side, and arc discharge can be maintained in a stable manner between the arc wire and the first workpiece W1. As a result thereof, an amount of heat can be stably applied to the first workpiece W1.SELECTED DRAWING: Figure 2

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Inventors:
TAKAHASHI KOHEI
YAMAUCHI JUNJI
TAKEGUCHI TAKAHIRO
KAKUMOTO MASAHIKO
TATSUTOMI MASAHIDE
SUGINO HIROKI
OGURA SHUHEI
Application Number:
JP2020156850A
Publication Date:
March 31, 2022
Filing Date:
September 18, 2020
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
B23K26/348; B23K9/16
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office



 
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