Plasma arc torch and nozzle assembly

Details Plasma arc torch and nozzle assembly Plasma arc torch and nozzle assembly

1980-07-18

1982-01-19

Tolin, Gerald P.

Electric heating

Metal heating

By arc

219121PM, 219121PC, 219121PQ, B23K 900

Patent

active

043118976

ABSTRACT:
In combination, a plasma arc torch having an electrode structure adapted to be connected to a power supply for establishing a transferred plasma arc between the electrode structure and a workpiece and a nozzle assembly for constricting the plasma arc wherein the nozzle assembly comprises a first and second arc constricting passageway separated by a water chamber with the length of each passageway and the length of the water chamber being defined by a predetermined relationship to optimize the cutting speed and to minimize sensitivity to torch stand off.

REFERENCES:
patent: 2906858 (1959-09-01), Morton, Jr.
patent: 3534388 (1970-10-01), Ito et al.
patent: 3619549 (1971-11-01), Hogan
patent: 3641308 (1972-02-01), Couch, Jr. et al.
patent: 3825718 (1974-07-01), Mosiashvili et al.

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