Re: [CAD_CAM_EDM_DRO] Machineable wax problem

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