Plasma cutting device

Details Plasma cutting device Plasma cutting device

1990-10-04

1993-08-10

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912151, 21912155, 219 75, B23K 900

Patent

active

052351556

ABSTRACT:
The plasma cutting device of the present invention comprises a plurality of release ports for releasing the work gas to prevent adverse influence on the cutting processing besides the exhaust port for jetting the gas toward the work. Accordingly the flow rate and velocity of the swirl flow are increased and the flow rate of the jet gas is still kept the same as that in the conventional device, resulting in stabilizing the plasma arc and performing superior cutting.

REFERENCES:
patent: 3375392 (1968-03-01), Brzozowski et al.
patent: 3594609 (1971-07-01), Vas
patent: 3641308 (1972-02-01), Couch, Jr. et al.
patent: 4163891 (1979-08-01), Komatsu et al.
patent: 4382170 (1983-05-01), Klingel
patent: 4495399 (1985-01-01), Cann
patent: 4902871 (1990-02-01), Sanders et al.

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