CPC B23K 26/142 (2015.10) [B23K 26/1462 (2015.10); B23K 26/348 (2015.10)] | 10 Claims |
1. A hybrid welding device that performs welding by combining use of laser welding and arc welding, the hybrid welding device comprising:
a laser head that emits a laser beam to a welded portion; and
a welding torch that supplies a filler material to the welded portion, wherein
the laser head includes: a laser nozzle that forms an optical path of the laser beam; a first rectifying plate arranged at a tip side of the laser nozzle so as not to interfere with the laser beam; a first air knife that injects first compressed air along the first rectifying plate; a second rectifying plate arranged between the first rectifying plate and the welded portion so as not to interfere with the laser beam; and a second air knife that injects second compressed air along the second rectifying plate,
the first rectifying plate and the second rectifying plate have a shape elongated in a direction perpendicular to an optical axis of the laser beam and a welding direction, and
the second rectifying plate has a torch opening through which a tip of the welding torch can be inserted.
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