METHOD OF JOINING BY LASER WELDING TOGETHER A PLURALITY OF WELDING ALUMINIUM OBJECTS AND CORRESPONDING WELDING STRUCTURE

The invention pertains to a welding method for joining together a plurality of welding objects (2, 4) by overlapping the plurality of welding objects and performing laser welding. The welding method comprises forming a weld (10) by forming a plurality of nuggets (12) along a virtual closed curve (14...

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Bibliographische Detailangaben
Hauptverfasser:	HISADA, Kohei, OGURA, Shuhei, NAKATA, Masahiro, OGUSU, Kazuyuki, MAKINO, Junichiro
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:	The invention pertains to a welding method for joining together a plurality of welding objects (2, 4) by overlapping the plurality of welding objects and performing laser welding. The welding method comprises forming a weld (10) by forming a plurality of nuggets (12) along a virtual closed curve (14) on the welding objects so that the nuggets (12) are separated from each other, by laser welding. A ratio of a diameter of the nuggets (12) to a pitch dimension between the nuggets (12) that are adjacent to each other is larger than 1 / 2 and no more than 1, and the welding objects (2, 4) are an aluminum alloy. Moreover, the invention pertains to a corresponding welding structure (1).