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3. 发明专利

JPS60210386A Method and device for laser welding 失效
标题翻译：激光焊接的方法和装置
公开(公告)号：JPS60210386A
公开(公告)日：1985-10-22
申请号：JP6690584
申请日：1984-04-02
申请人： Mitsubishi Electric Corp
发明人： TOSHIFUJI NAOTAKE , OOTA MASAO , YAMADA TSUGIO , GOTOU JIYUNICHI , KITAGAWA TSUTOMU
IPC分类号： B23K26/00 , B23K26/02 , B23K26/14 , B23K26/16 , B23K26/20 , B23K26/24 , B23K26/32
CPC分类号： B23K26/037 , B23K26/16 , B23K26/244 , B23K2201/34 , B23K2203/04 , B23K2203/08
摘要： PURPOSE:To obtain a good weld zone having no defect such as blowhole by superposing materials to be joined which are coated with coating materials on each other to provide a prescribed gap between each other thereby constituting a discharge passage for the gas of the coating materials gasified by laser welding. CONSTITUTION:A spacer 14 and a clamper 15 which are connected to cylinders 17, 18 and are movable upward and downward are provided and the materials 1, 2 to be joined which are superposed via the spacer 14 are fixed onto a working table 13 by the clamper 15 in the stage of superposing the materials to be joined which are coated by the coating materials and subjecting said materials to laser welding. A laser beam 3 is irradiated on the superposed part of the materials 1, 2 while the prescribed gap 16 is formed in said part. The gas of the coating materials 4-7 gasified by laser welding is discharged from the gap 16. The good weld zone having no weld defect such as blowhole is thus obtd.
摘要翻译：目的：为了通过将涂覆材料叠加在一起形成规定的间隙，从而形成气体化的涂料的气体的排出通道，以获得没有缺陷的良好的焊接区域，例如气孔，通过激光焊接。构成：连接到气缸17,18并且可上下移动的间隔件14和夹持器15设置成通过间隔件14重叠的待接合材料1,2被固定在工作台13上夹持器15在叠加被接合材料的阶段中，其被涂覆材料涂覆并对所述材料进行激光焊接。激光束3照射在材料1,2的叠置部分上，同时在所述部分中形成规定的间隙16。通过激光焊接气化的涂层材料4-7的气体从间隙16排出。因此，没有诸如气孔的焊接缺陷的良好焊接区域被实现。

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