METHOD FOR WELDING A DOUBLE LAYER SHEET TO A JOINTING SHEET

METHOD FOR WELDING A DOUBLE LAYER SHEET TO A JOINTING SHEET

The invention relates to a method for welding a double layer sheet metal (1, 2) having an intermediate layer (5), in particular, a sheet metal with knobs, with a bonding sheet metal (8) by spot or roll seam welding. Before welding of the bonding sheet metal (8) with the two cover sheet metals (1, 2)...

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1. Verfasser: GALL, HANS-DIETER
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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creator GALL, HANS-DIETER
description The invention relates to a method for welding a double layer sheet metal (1, 2) having an intermediate layer (5), in particular, a sheet metal with knobs, with a bonding sheet metal (8) by spot or roll seam welding. Before welding of the bonding sheet metal (8) with the two cover sheet metals (1, 2), spaced apart by the intermediate layer (5) of the double layer sheet metal, is carried out, the area (11) about the welding location (12) is burned free of the intermediate layer (5) by the current which is introduced over a large surface area into the cover sheet metals (1, 2) via the welding electrodes (9, 10) placed thereat and guided via a shunt adjacent to the welding location (12). Only thereafter, the sheet metals are brought into conducting contact with one another by a directed local pressure application, and the welding process is carried out.
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language eng ; fre ; ger
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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 METHOD FOR WELDING A DOUBLE LAYER SHEET TO A JOINTING SHEET
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