Welding system and communication method for welding system

A welding system performs communication accurately without provision of a control line between a welding power supply device and a wire feeding device. The welding system includes a welding power supply device, a wire feeding device, a welding torch, and power cables for supplying welding power from...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Nishisaka, Futoshi, Doi, Toshimitsu
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY 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 welding system performs communication accurately without provision of a control line between a welding power supply device and a wire feeding device. The welding system includes a welding power supply device, a wire feeding device, a welding torch, and power cables for supplying welding power from the welding power supply device to the welding torch. The system also includes power transfer lines for supplying power for driving a feeding motor disposed in the wire feeding device, so that the welding power supply device and the wire feeding device perform communication via the power transfer lines. The power transfer lines have less superimposed noise compared to the power cables. Accordingly, communication can be performed more accurately than in the case of performing communication via the power cables.