WELDING DEVICE FOR PANEL SHEETS AND WELDING METHOD FOR THE SAME

A method of welding panels overlapping each other includes a one-directional clamping step that performs one-directional clamping by positioning electrodes of a pair of one-directional spot welding guns with respect to an upper panel and a lower panel overlapping each other, a pressure welding step...

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Bibliographische Detailangaben
1. Verfasser:	RYU SUNG PHIL
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:	A method of welding panels overlapping each other includes a one-directional clamping step that performs one-directional clamping by positioning electrodes of a pair of one-directional spot welding guns with respect to an upper panel and a lower panel overlapping each other, a pressure welding step that forms a plurality of pressure welding portions in a zero gap status by pressure-welding the upper panel to the lower panel in a temporary welding status, by pressing and supplying electricity to the upper panel with the electrodes of the one-directional spot welding guns, plasma spot step that forms a molten portion between the pressure welding portions by performing plasma welding on the pressure welding portions with a plasma welding machine, and a cooling step that forms a welded portion by overlapping the pressure welding portions and the molten portion between the upper panel and the lower panel by cooling the molten portion.