Homebrew PCBs

On Thu, May 23, 2013 at 5:06 AM, Phil@Yahoo <yahoo@...> wrote:
> I use a 0.0625" cross-hatch carbide routing burr in a 30KRPM laminate edge
> router on a CNC drilling machine to route the edges after drilling, leaving
> small tabs for easy separation. The burr makes a nice smooth edge. After
> separation, a little 120-grit sand paper smooths off the tab remnants
> easily.
>
> Never thought about using a hand plane. I should think depth of cut would be
> critical, i.e. you would want a VERY shallow cut. And a VERY sharp blade.

Personal opinion here, not backed up with knowledge, but AFAIK FR-4
isn't very hard, it's just terribly abrasive, on account of the glass
fibres.

Mitch.