METHOD AND EQUIPMENT FOR THE LASER BRAZE-WELDING OF STEEL PARTS, PARTICULARLY SHEET METAL PARTS FOR THE BODY OF A MOTOR VEHICLE

The invention relates to a method for the braze-welding of two steel parts (1, 2), in which: a laser beam (3) and a metal filler wire (4) are moved continuously along the connecting line between the two parts (1, 2) in such a way that this laser beam (3) continuously melts the metal filler wire (4)...

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Bibliographische Detailangaben
Hauptverfasser:	GELABERT ARRIETA, IGNACIO, AUGER, PATRICE
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 relates to a method for the braze-welding of two steel parts (1, 2), in which: a laser beam (3) and a metal filler wire (4) are moved continuously along the connecting line between the two parts (1, 2) in such a way that this laser beam (3) continuously melts the metal filler wire (4) so as to form a continuous weld seam (5) between the two parts (1, 2); and a shielding gas is blown onto the weld seam, characterized in that this shielding gas is compressed air free of gases other than those contained in the ambient air.