On 14/05/2010 09:42, Eddie Stassen wrote:
> I use standard FR4 0.8 or 1.6mm s/s and d/s. I tend to apply a lot of
> pressure and make 3 or 4 passes so I am through the copper and well into
> the board. On the other side a bit less is needed, juts make sure you
> are through the copper if double sided and have a decent scratch in the
> board. I know thats not very scientific description, but you get a
> 'feel' for it after a few boards
>
> I am not sure how well this works for other PCB types. I have some old
> phenolic board and will give it a try.
That's what I do, as well. I put it in a vice to snap it, and I get
quite a clean break. It only needs a bit of cleaning up with a file.
It's tough stuff, though. I don't use FR4 very often, FEC-1 is ∗much∗
easier to cut.
Phenolic is easier.
Leon
--
Leon Heller
G1HSM