Re: CNC HOT WIRE FOAM CUTTING

--- In CAD_CAM_EDM_DRO@y..., npalen@n... wrote:

> Hello all--wondering if anyone knows of a simple method of cutting
> foam parts with a stiff hot wire "chucked" in the spindle. I need

to

> cut a few small "doughnuts" out of foam rubber less than 1/2" thick.
> Thanks.
> Nelson

How about wrapping some tungsten wire around a ceramic tube? One of
the ends of the wire could be fed up the inside of the tube and out
of a hole at the top, to keep it isolated from the wrapped part.
Mcmaster-Carr sells 1/8" ceramic tubes.

-Tom Murray