EXCITATION WELDING METHOD

PURPOSE:To reduce spatters and to improve a weld bead by applying an ultrasonic oscillation to a welding wire supplied continuously to fine a droplet of the wire tip. CONSTITUTION:When a current is supplied from a welding source to between the welding wire 1 supplied continuously and base metal 7, a...

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Bibliographische Detailangaben
1. Verfasser:	SHIMAMOTO TAKIJIRO
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:	PURPOSE:To reduce spatters and to improve a weld bead by applying an ultrasonic oscillation to a welding wire supplied continuously to fine a droplet of the wire tip. CONSTITUTION:When a current is supplied from a welding source to between the welding wire 1 supplied continuously and base metal 7, an arc is generated between the tip part 2 of the welding wire 1 and the base metal 7 and the wire 1 is molten continuously from the tip part 2 and the welding is proceeded. At this time, an ultrasonic oscillation current from an ultrasonic oscillator is supplied to a transducer 6 and the ultrasonic oscillation of which mechanical amplitude is increased by a logarithmic horn 5 is transmitted to the welding wire 1 by an exciting rod 4. Metal of the tip part 2 of the wire 1 molten by the arc heat being generated between the tip part 2 of the wire 1 and the base metal 7 is formed to the fine droplet by the ultrasonic oscillation and shifted to the base metal 7 without forming the spatters to perform the satisfactory welding.