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    • 4. 发明申请
    • Laser beam welding structure, laser beam welding method, and vehicle control unit using the laser beam welding structure
    • 激光束焊接结构,激光束焊接方法以及使用激光束焊接结构的车辆控制单元
    • US20060196856A1
    • 2006-09-07
    • US11349915
    • 2006-02-09
    • Shin OnoseShinya NakataniKeiichi UrakiYasunori Odakura
    • Shin OnoseShinya NakataniKeiichi UrakiYasunori Odakura
    • B23K26/20
    • B23K26/244B23K26/242B23K26/702B23K26/704B23K2101/42
    • [Object]In a laser beam welding structure for welding workpieces by emitting laser beam onto a work portion of the workpieces, the size of the workpiece and resin member can be minimized and, when welding workpieces by emitting laser beam onto the work portion of the workpieces, burning of the resin member covering the workpiece and located near the work portion, due to the reflected laser beam caused from surface of a melting portion of the workpiece on the working portion can be prevented. [Means for Achieving the Object]In a laser beam welding structure for welding two workpieces 1, 2 by emitting laser beam 4 onto a the work portion between the two workpieces, wherein resin members covering the workpieces 1, 2 are provided at the position receiving the reflected laser beam from surface of a melting portion 6A on the working portion 6 when emitting laser beam 4 onto the work portion 6, resin members 5a, 5b capable of transmission of the reflected laser beam are employed for the resin member 5 located at the position receiving the reflected laser beam 3 so as to absorb the reflected laser beam 3 from surface of the melting portion 6A when emitting laser beam 4 onto the work portion 6 between the two workpieces 1, 2 and to prevent burning of the resin member 5.
    • 在通过将工件发射激光束到工件的工件上来焊接工件的激光束焊接结构中,可以使工件和树脂部件的尺寸最小化,并且当通过将工件发射到工件的工作部分 可以防止由于工件在工作部分的熔化部分的表面引起的反射激光束而覆盖工件并位于工件部分附近的树脂部件的燃烧。 [实现对象的手段]在通过将激光束4发射到两个工件之间的工件上来焊接两个工件1,2的激光束焊接结构中,其中覆盖工件1,2的树脂构件设置在接收位置 在将激光束4发射到工件6上的工作部分6上的熔化部分6A的表面的反射激光束,能够透射反射激光束的树脂部件5a,5b被用于树脂部件5 位于接收反射激光束3的位置,以便当将激光束4发射到两个工件1,2之间的工件6上时,从熔化部分6A的表面吸收反射激光束3,并且防止 树脂构件5。