The way I cut PCBs is with a diamond wheel on a Dremel-type roaty tool
under water (just a slow stream from the tap). If you omit the water,
the wheel heats up and loses diamond particles quickly. It works very
well, and with the water, the wheel is not visibly worn after a large
amounts of cutting.
You can get the wheels for something like $3 a piece on eBay etc.
Richard wrote:
>
>
> Thanks Tony, After I stay up all night on a coffee buzz, building
> circuits and boards and stuff, I know My old eye sight is't all that
> great and I can still drill a few hundred holes by hand with handheld
> dremel and 032 carbide bit and you know that my hands proabably aren't
> all that steady at that point :) I bet I have busted 1/2 a dozen carbide
> drills over the years hand drilling so that's not to bad. It's just that
> doing it by hand isn't as fun as it was when I did my first one !
>
> My worst expriences is trying to cut to size my PCB's without causing
> bodily injury! Dang them dudes don't cut all that great. My best method
> is a die grinder and vut off wheel then polish to size while cleaning up
> the edges. I like the upside down, table mounted jig saw I had seen, but
> I'm not sure how well that would work out.
>
> I've been wanting to do this for some time, and just never sit down and
> do it. I heard of some folks pre-loading their X-Y tables with rubber
> bads in ordered to help minimize the "slack". It's almost like using an
> old worn out lath, where you always turn out to far then slowly go back
> in intil your where you need to be on the dial. Kind of a backlash
> removal process.
>
> The electronics portion for me should be pretty easy, just the hardware
> for the XYZ slides has me a little baffled on what to use and where to get.
>
> Thanks for the replies..
> Richard
>
> ----- Original Message -----
> From: Tony Smith
>
> Given people drill holes by hand, you don't need to all that accurate
> (0.25mm is more than enough),
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