LASER WELDING METHOD

A laser welding method according to the present invention is a laser welding method for welding a plurality of metal plates (31) and (32) by applying a laser beam (16) scanned by a scanning unit (11) to the plurality of metal plates (31) and (32) while moving the scanning unit (11) scanning the lase...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HISADA, Kohei, HIOKI, Toru, OGUSU, Kazuyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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
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Beschreibung
Zusammenfassung:	A laser welding method according to the present invention is a laser welding method for welding a plurality of metal plates (31) and (32) by applying a laser beam (16) scanned by a scanning unit (11) to the plurality of metal plates (31) and (32) while moving the scanning unit (11) scanning the laser beam (16), the laser welding method including performing a step of preliminary-fixation-welding on a predetermined place in a welding direction of the objects to be welded and a step of main-welding on a place corresponding to the preliminarily-fixed place of the objects to be welded within a scanning range of the scanning unit while moving the scanning unit. Further, when the place corresponding to the preliminarily-fixed place of the objects to be welded is main-welded, the place is main-welded in a state where both sides of the place to be main-welded are restrained.