Hot wire cutting system

Details Hot wire cutting system Hot wire cutting system

1986-05-14

1987-10-13

Kazenske, E. R.

Cutting

With means to control or modify temperature of apparatus or...

Of tool

836511, 83701, B26D 710, B26D 144

Patent

active

046990321

ABSTRACT:
A hot wire cutting system for cutting a pattern shape in a block of polyfoam for use as a casting mold for a metal shielding block to be used in radiotherapy treatments is described. The system provides proportioned current responsive to deflection of the hot cutter wire in order to cancel the deflection and maintain the wire in its optimal central cutting position. The hot cutter-wire preferably passes through a field which provides fine vibratory motion of the cutting wire allowing use of lower wire temperatures to effect the cutting. The system may include optical means for determining the accuracy of the profile cut in the polyfoam block.

REFERENCES:
patent: 2972669 (1961-02-01), Brown
patent: 3968711 (1976-07-01), Wilson

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