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    • 2. 发明授权
    • Methods of and apparatus for welding workpiece with laser beams
    • 用激光束焊接工件的方法和设备
    • US6127647A
    • 2000-10-03
    • US111863
    • 1998-07-08
    • Kazuhide MatsuoTakanori FujiiKenji Makihara
    • Kazuhide MatsuoTakanori FujiiKenji Makihara
    • G02B26/08B23K26/00B23K26/067B23K26/08B23K26/20
    • B23K26/0673B23K26/067
    • A laser beam welding apparatus has a first laser oscillator for applying a laser beam to a right-hand automobile door, a second laser oscillator for applying a laser beam to a left-hand automobile door, and first through fourth laser beam path changing mechanisms for changing the laser beam path of the laser beam from the first laser oscillator in the event of a failure of the second laser oscillator, and changing the laser beam path of the laser beam from the second laser oscillator in the event of a failure of the first laser oscillator. Even when one of the laser beam oscillators fails to operate due to a malfunction, an overall welding line combined with the laser beam welding apparatus does not need to be shut down, and the laser beam welding apparatus can smoothly and efficiently weld the workpieces.
    • 激光束焊接装置具有用于将激光束施加到右手车门的第一激光振荡器,用于将激光束施加到左手车门的第二激光振荡器,以及用于将激光束施加到左手车门的第一激光束路径改变机构, 在第二激光振荡器发生故障的情况下,改变来自第一激光振荡器的激光束的激光束路径,并且在第一激光振荡器发生故障的情况下改变来自第二激光振荡器的激光束的激光束路径 激光振荡器。 即使其中一个激光束振荡器由于故障而不能操作,也不需要关闭与激光束焊接装置组合的整体焊接线,激光束焊接装置可以平滑有效地焊接工件。