Re: [CAD_CAM_EDM_DRO] Machineable wax problem

Be careful when burning out polyurethane. Combustion products are toxic!
Machining dust is not too good either.
Jesse

Alan Marconett KM6VV wrote:

> Hi Ian, List,
>
> When I first got my CNC up, someone recommended the "blue" insulation
> board, like they use in houses! It works! Hadn't thought about the
> castable polyurethane!
>
> Alan KM6VV
>
> Ian Wright wrote:
> >
> > Ok, I give in, you've convinced me.
> > On the subject of testing out machine moves, I saw a company a while back
> > that was selling 'special' foam to use for testing. All they were doing was
> > filling plastic beakers or cups with builders polyurethane foam, letting it
> > set and then breaking off the beaker. They were charging many times the
> > value of the foam and people were buying them!!
> >
> > Ian
>
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