Cutter for removing dross produced by a plasma arc torch

Details Cutter for removing dross produced by a plasma arc torch Cutter for removing dross produced by a plasma arc torch

1992-10-15

1993-11-30

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912138, 21912148, 407 14, 407 30, B23K 1000, B23K 9013

Patent

active

052667758

ABSTRACT:
Molten metal created during cutting of a workpiece by a plasma-arc torch is discharged downwardly into a tubular collector duct. A power-rotated cutter is located adjacent the upper end of the duct and shaves dross from the underside of the workpiece as the latter is moved beneath the torch, the dross also being discharged downwardly into the duct. Water is sprayed into the duct to cool the duct and is also sprayed against the rotary cutter to cool the cutter as the dross is shaved from the workpiece.

REFERENCES:
patent: 3474219 (1969-10-01), Steigerwald et al.
patent: 5091625 (1992-02-01), Kohda et al.

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