Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: Cheap rotary tools at Harbor Freight

From: "alan00463" <alan00463@...>
Date: 2006-01-22

--- In Homebrew_PCBs@yahoogroups.com, "kilocycles" <kilocycles@y...>
wrote:
>
> Alan,
> Now that you mention it, I have a saw table I haven't used in years
> that mounts a regular 7 - 7/14-in circular saw. The carbide blades
> for those saws are pretty thick, since their application is not
> usually fine finish work, but I haven't investigated diamond blades.
> The diamond-edge tile saws are made to cut ceramic material, so I
> figure they'll do pretty well on fiberglass-epoxy.
>
> The reground router bits I use are carbide, and they have no problem
> at all with the PC boards. In the meantime, I quickly dulled two
> regular Dremel "hobby" bits drilling the stuff. The downside to the
> box of 40 reground bit deals is that there are only 4 or five sizes
> that I'd ever use, at least for PC boards. Still, they're very
> economical when on sale.
>
> Ted

Yes, that would work fine, I'd think. How about the score-n-snap
method, i.e. score with a razor-knife and a metal straitedge, then
snap it on the edge of a table ?

Has anybody been successful using this technique on fiberglass-epoxy?

I always like to try the simplest way first.

Alan