METHODS AND APPARATUS TO CONTROL TIG WELDING

Example welding system comprise: a welding torch comprising a non-consumable electrode configured to establish an arc between the non-consumable electrode and a workpiece; a wire feeder coupled to the welding torch and configured to direct a welding wire toward the workpiece at a location of the arc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ALBRECHT, Bruce P
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Example welding system comprise: a welding torch comprising a non-consumable electrode configured to establish an arc between the non-consumable electrode and a workpiece; a wire feeder coupled to the welding torch and configured to direct a welding wire toward the workpiece at a location of the arc; and control circuitry configured to control at least one of a current to the arc, a wire feed speed of the welding wire, or preheat energy applied to the welding wire, to deliver the welding wire to the workpiece such that the welding wire applies a physical force to the workpiece prior to melting to push the welding torch along the workpiece.