ARC saw cooling and dust collection system

Details ARC saw cooling and dust collection system ARC saw cooling and dust collection system

1974-11-25

1976-05-04

Truhe, J. V.

Electric heating

Metal heating

Cutting or disintegrating

219 69D, 219 69M, B23K 900

Patent

active

039550621

ABSTRACT:
Apparatus and a method for cutting a workpiece by a rotary arc saw wherein the residue from the cutting of the workpiece presents atmospheric contamination or the like. The apparatus includes a cutting chamber adapted to contain a fluid coolant which is flowable into and out of the chamber continuously. A rotary arc saw is mounted in the chamber in spaced relationship to a workpiece mount so that, when an arc is established between the arc saw and the workpiece, the workpiece will be progressively cut by the heat of the arc until it is cut to a predetermined depth or is completely severed. An impeller is carried by the arc saw for rotation therewith. The impeller extends below the upper level of the fluid coolant therein and causes circulation of the fluid in the chamber to present a fluid curtain which extends upwardly and across the fluid outlet of the chamber. The residue from the cutting action is caused to circulate in the curtain and to pass out of the chamber to the fluid outlet thereof.

REFERENCES:
patent: 2974215 (1961-03-01), Inoue
patent: 3061708 (1962-10-01), Pfau
patent: 3338808 (1967-08-01), Johnson
patent: 3409532 (1968-11-01), Shaw et al.

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