Electrode for a plasma arc cutting torch
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United States of America Patent
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Apr 17, 2018
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app pub date -
Jul 11, 2012
filing date -
Jul 11, 2012
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Abstract
An electrode for a plasma arc torch is provided with features for improving electrode wear. An emissive insert is received into a cavity formed along one end of the torch body. A portion of the emissive insert is separated from the torch body by a sleeve positioned along the insert near the emission surface of the insert. The sleeve can operate to slow the erosion of the electrode body and thereby improve overall electrode life.
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