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LASER BEAM FILLET WELDING METHOD FOR T JOINT AND DEVICE THEREFOR
LASER BEAM FILLET WELDING METHOD FOR T JOINT AND DEVICE THEREFOR
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机译:T型接头的激光束填角焊接方法及装置
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摘要
PURPOSE: To reduce angle deforming as well as whole deformation so as to improve work efficiency by welding while reflecting the laser beam condensed through a condensing lens with a reflecting mirror and making incident angle smaller. CONSTITUTION: A running carrier is ridden on an object to be welded and traveled so that a roller of copying device is brought into contact with a vertical plate of the object to be welded of welding start end. Successively, laser beam is generated by activating YAG laser oscillator while supplying cooling water to a housing 4, by adjusting X.Y adjusting device, the optimum position is irradiated with the focus of laser beam reflected with a reflecting mirror 10. After adjusting is completed, while supplying shield gas to a condensing head, the running carrier is started to execute welding. In this way, the reflecting mirror 10 to reflect the laser beam condensed with the condensing lens is mounted to the lower part at inner side of condensing lens, accordingly, an incident angle of the laser beam is made smaller.
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