Electrode assembly for plasma arc torches

Details Electrode assembly for plasma arc torches Electrode assembly for plasma arc torches

1977-12-07

1979-01-09

Truhe, J. V.

Electric heating

Metal heating

By arc

B23K 900

Patent

active

041339878

ABSTRACT:
In a plasma-arc torch for melting metals the electrode assembly comprises an electrode holder made of copper alloys and having a butt portion which rigidly secures a tungsten electrode by means of diffusion welding. The invention provides for a welded joint between the electrode and the electrode holder, a nonconsumable current-conducting interlayer made of titanium, copper and tungsten being placed therebetween.

REFERENCES:
patent: 2937262 (1960-05-01), Baxter
patent: 3546422 (1975-12-01), Bykhovsky et al.
patent: 3930139 (1975-12-01), Bykhovsky et al.
patent: 3944778 (1976-03-01), Bykhovsky et al.

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