Process for consumable-electrode type arc cutting and apparatus

Details Process for consumable-electrode type arc cutting and apparatus Process for consumable-electrode type arc cutting and apparatus

1974-11-12

1976-06-29

Truhe, J. V.

Electric heating

Metal heating

Cutting or disintegrating

219 75, B23K 900

Patent

active

039670902

ABSTRACT:
In the consumable-electrode type arc cutting process whereby the work subjected to cutting is fused and severed by means of a continuous electric arc formed between the wire electrode protruding from the contact tip and the work, an improvement is obtained by the additional utilization of a jet of high-pressure water projected out of a water projection nozzle disposed on the outside of the contact tip. The jet of high-pressure water projected from said nozzle is directed to the point of arc formation on the work so as to blow the molten metal of the work away, whereby the severed edges of the work are prevented from being joined again and, at the same time, the dross is prevented from being deposited on the work and consequently the cut edge of the work is finished neatly.

REFERENCES:
patent: 2884510 (1959-04-01), Oyler et al.
patent: 2900485 (1959-08-01), Clark
patent: 2906858 (1959-09-01), Morton
patent: 3082314 (1963-03-01), Arata et al.
patent: 3100255 (1963-08-01), Miller
patent: 3567898 (1971-03-01), Fein

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