SPOT WELDING METHOD AND SPOT WELDING APPARATUS

A spot welding method for welding a first panel and a second panel by applying a current between a pair of electrodes in pairs in a state in which the first panel and the second panel overlap one another and are held by the electrodes includes: forming a protrusion on a surface facing the second pan...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YOKOI, Masahiro
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A spot welding method for welding a first panel and a second panel by applying a current between a pair of electrodes in pairs in a state in which the first panel and the second panel overlap one another and are held by the electrodes includes: forming a protrusion on a surface facing the second panel, at a welding-target part of the first panel; forming a recess on a surface facing the protrusion, at a welding-target part of the second panel, such that the recess has a depth that allows a top of the protrusion to come into contact with a bottom of the recess; and holding the welding-target part of the first panel and the welding-target part of the second panel between the electrodes, in a state in which the protrusion is inserted in the recess and applying the current between the electrodes.