Homebrew PCBs

Hi,
Keep in mind when drilling PLEXI, that you build up thermal stress 
into the material and can easily break thereof. If critical parts are 
machined thermal treatment in owen is requiered. Manufacturers of 
plexi can give advise how to do it, also *data* on drilling/milling.
Bengt


--- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan 
<stefan_trethan@g...> wrote:
> On Mon, 14 Jun 2004 15:58:37 -0000, ballendo <ballendo@y...> wrote:
> 
> > Hello,
> >
> > It works going the "other way" too. Using much STEEPER angles, 
then
> > the breakthrough is a gradual thinng. Most drill sold fro plastic
> > drilling will look like pencils; point wise.
> >
> > Ballendo
> >
> 
> should have asked that topic before... would have saved me a few 
hours of 
> ruined work..
> 
> ST