FRICTION STIR WELDING METHOD AND FRICTION STIR WELDING APPARATUS

The present invention makes it possible to weld workpieces to each other efficiently firmly by friction stir welding while reducing labor and man-hours. A friction stir welding method includes a fixing step, a temporary welding step S2, and a main welding step as follows. The fixing step includes fi...

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Bibliographische Detailangaben
Hauptverfasser:	SUNADA, Toshihide, HATANAKA, Atsuhiro, KIKIMA, Yoshihiro, MATSUURA, Satoshi
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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Beschreibung
Zusammenfassung:	The present invention makes it possible to weld workpieces to each other efficiently firmly by friction stir welding while reducing labor and man-hours. A friction stir welding method includes a fixing step, a temporary welding step S2, and a main welding step as follows. The fixing step includes fixing the workpieces W1 and W2 to a receiving table by pressing the workpieces W1 and W2 against the receiving table by means of a plurality of spring pins 10 that, are spaced apart from one another. The temporary welding step S2 includes spot-welding the workpieces W1 and W2 to each other by friction stir welding at locations different from positions of the spring pine 10. The main welding step includes line-welding the spot-welded workpieces W1 and W2 to each other by friction stir welding.