FIELD: process engineering.
SUBSTANCE: invention relates to plasma hardware. Proposed electrode comprises outer wall, in fact, of cylindrical shape, end wall and ledge. End wall is connected with outer wall distal end to made the support for emitter located, mainly, at its centre. Ledge base is located mainly at end wall centre. Ledge configuration allows its split joint with electrode holder. Note here that said ledge is configured to make at least one channel between ledge and said holder for coolant passage when electrode is connected with said holder. In compliance with some versions, said split joint comprises threaded joint. Note here that thread is cut for split joint with electrode holder threaded cooling tube. In compliance with the other versions, said channel is formed by said thread joint.
EFFECT: longer life.
29 cl, 15 dwg
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