LASER WELDED JOINT, OUTER PLATE PANEL AND CAR BODY STRUCTURE OF ROLLING STOCK
PROBLEM TO BE SOLVED: To secure welding quality, and to visually make welding marks not apparent. SOLUTION: Planar members 1, 2 are lapped, and, a laser beam R is continuously emitted with respect to the planar members from the outer direction of the faces while being moved, and the region to the in...
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| creator | MURATA TAKAYUKI HIRASHIMA TOSHIYUKI KOMAKI OSAMU |
| description | PROBLEM TO BE SOLVED: To secure welding quality, and to visually make welding marks not apparent. SOLUTION: Planar members 1, 2 are lapped, and, a laser beam R is continuously emitted with respect to the planar members from the outer direction of the faces while being moved, and the region to the inside of the planar member 1 on the side opposite to the planar member 2 irradiated with the laser beam R is heated and melted. The planar members 1, 2 are joined as the output of the laser beam or the beam moving rate is controlled so as to prevent the arrival of the bottom part of a molten pool P produced by the heating and melting to the outer face S1 of the planar member 1 on the opposite side. As the planar member 1 on the opposite side, the one in which the outside face S1 is previously subjected to polishing almost parallel to the direction of a welding line by the laser beam R is used. COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | LASER WELDED JOINT, OUTER PLATE PANEL AND CAR BODY STRUCTURE OF ROLLING STOCK |
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