ELECTRODE FOR A PLASMA ARC TORCH HAVING AN IMPROVED INSERT CONFIGURATION

An electrode for use in a plasma arc torch has an insert designed to improve the service life of the electrode, particularly for high current processes. The electrode comprises an elongated electrode body formed of a high thermal conductivity material and having a bore disposed in a bottom end of th...

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Bibliographische Detailangaben
Hauptverfasser:	LU, ZHIPENG, COUCH, RICHARD, W
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:	An electrode for use in a plasma arc torch has an insert designed to improve the service life of the electrode, particularly for high current processes. The electrode comprises an elongated electrode body formed of a high thermal conductivity material and having a bore disposed in a bottom end of the electrode body. The bore can be cylindrical or ring-shaped. An insert comprising a high thermionic emissivity material, and in some embodiments, a high thermal conductivity material, is disposed in the bore. The insert can be ring-shaped or cylindrical.