OPERATING PLASMA ARC PROCESSING SYSTEMS AT REDUCED CURRENT AND GAS PRESSURE LEVELS AND RELATED SYSTEMS AND METHODS

In some aspects, methods for controlling a plasma arc in a plasma torch of a plasma cutting system in a low operating current mode can include: receiving, by a computing device within the plasma power supply, a command to begin a plasma processing operation; generating a pilot arc command to generat...

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Bibliographische Detailangaben
Hauptverfasser:	PATEL, Shreyansh, ALTOBELLI, Bruce, PAVLIK, Richard, MAO, Junsong, DUAN, Zheng, LIU, Qinghua
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	In some aspects, methods for controlling a plasma arc in a plasma torch of a plasma cutting system in a low operating current mode can include: receiving, by a computing device within the plasma power supply, a command to begin a plasma processing operation; generating a pilot arc command to generate a pilot arc within the plasma torch, the generating of the pilot arc command including directing an electrical signal and a gas flow to the plasma torch, the electrical signal being configured to generate the pilot arc at a current having a first arc amperage magnitude; and generating an operational arc command to facilitate a transition from the pilot arc to an operational plasma arc, the generating of the operational arc command including adjusting the current directed to the plasma torch to be a second arc amperage magnitude that is lower than the first arc amperage magnitude.