WELDING METHOD

PROBLEM TO BE SOLVED: To provide a welding method capable of suppressing generation of the strain caused by welding, namely caused by deformation of a base material due to heat, without giving reverse strain or carrying out strain removal. SOLUTION: In the welding method for welding an aluminum roof...

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1. Verfasser:	HAMAGUCHI YUJI
Format:	Patent
Sprache:	eng
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	HAMAGUCHI YUJI
description	PROBLEM TO BE SOLVED: To provide a welding method capable of suppressing generation of the strain caused by welding, namely caused by deformation of a base material due to heat, without giving reverse strain or carrying out strain removal. SOLUTION: In the welding method for welding an aluminum roof 9 and a steel body-side roof rail 10 while melting, with a laser beam, a metal wire fed to a weld portion 11 where the aluminum roof 9 and the steel body-side roof rail 10 are superimposed, the overall length of the weld portion 11 is divided into at least three weld portions, the welding directions of weld portions W1-W7, which are formed as stated above, are made the same one, a welding device moves backward from the weld ending point of each weld portions to the weld starting point of the following weld portion, and the weld starting point of the previous weld portion is made the weld ending portion of the following weld portion. COPYRIGHT: (C)2010,JPO&INPIT
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SOLUTION: In the welding method for welding an aluminum roof 9 and a steel body-side roof rail 10 while melting, with a laser beam, a metal wire fed to a weld portion 11 where the aluminum roof 9 and the steel body-side roof rail 10 are superimposed, the overall length of the weld portion 11 is divided into at least three weld portions, the welding directions of weld portions W1-W7, which are formed as stated above, are made the same one, a welding device moves backward from the weld ending point of each weld portions to the weld starting point of the following weld portion, and the weld starting point of the previous weld portion is made the weld ending portion of the following weld portion. 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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	WELDING METHOD
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