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    • 1. 发明专利
    • Laser-arc hybrid welding head
    • JP5464917B2
    • 2014-04-09
    • JP2009141120
    • 2009-06-12
    • 川崎重工業株式会社
    • 慎太郎 深田隆行 村田賢 瀬渡繁一 志子田
    • B23K26/064B23K9/127B23K9/16B23K26/21B23K26/346
    • PROBLEM TO BE SOLVED: To provide a laser-arc hybrid welding head capable of performing stable laser-arc hybrid welding by always keeping constant distances between a laser beam condensing head and an arc torch, between the laser beam condensing head and a weld base material, and between the arc torch and the weld base material, even when deformation, strain, or inclination of the weld base material relative to a welding line are generated and a plate thickness varies. SOLUTION: The laser-arc hybrid welding head includes: a roller support frame 5 being arranged substantially in parallel to a welding line direction and turnably supporting at least two copying rollers 4 or more, which roll on the plate surface of a weld base material W along the welding line direction; a movable frame 7 swingably supporting the roller support frame 5 along the welding line direction; a precisely linear guide 9 guidingly supporting the movable frame 7 in the vertical direction; and a spring 8 energizing the roller support frame 5 in the plate surface direction of the weld base material W with a predetermined load. A laser beam condensing head 1 and an arc welding torch 2 are attached to roller support frame 5 so as to be positioned on the welding line. COPYRIGHT: (C)2011,JPO&INPIT