RESISTANCE WELDING DEVICE, HOLLOW ARM, AND METHOD OF MANUFACTURING HOLLOW ARM

The present invention relates to a resistance welding device, a hollow arm, and a method of manufacturing a hollow arm. A welding gun is provided with the hollow arm for holding a movable electrode. The hollow arm includes an arm body having a cavity portion that is opened on one side, and a cover a...

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Bibliographische Detailangaben
Hauptverfasser:	Furuno, Takuya, Miyaoka, Noriyoshi, Teragaito, Yohei, Hino, Takuya, Otake, Yoshito
Format:	Patent
Sprache:	eng
Schlagworte:	CHAMBERS PROVIDED WITH MANIPULATION DEVICES CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING HAND TOOLS MACHINE TOOLS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present invention relates to a resistance welding device, a hollow arm, and a method of manufacturing a hollow arm. A welding gun is provided with the hollow arm for holding a movable electrode. The hollow arm includes an arm body having a cavity portion that is opened on one side, and a cover attached to an opening end surface of the arm body so as to cover an opening of the cavity portion. The arm body and the cover are secured by a friction stir welding portion extending along a peripheral part of the cover.