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Homebrew PCBs

Index last updated: 2026-04-09 22:20 UTC

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Re: How to cut the circuit boards?

2005-08-10 by Phil

I use this http://www.grizzly.com/products/item.cfm?ItemNumber=G4011
It is clearly overkill for the job but I use it for lots of other
things like making boxes.  I like the shear because it is very fast
and does clean work.  It also has a guide to allow me to do several
boards at once.  I use a disk sander to clean up the edge - it takes
one or two seconds per edge.  Even with sanding, it only takes a few
minutes total.  If you get a shear, make sure you get one with a
clamping bar like the grizzlys have.  You can get similar at Harbor
Freight and others.  If I were just doing boards, I think the baby
brother of mine would work pretty well -
http://www.grizzly.com/products/item.cfm?ItemNumber=G6089

Since you have a cnc machine, why not V score the line when you have
it on the machine for drilling and then snap it?

I'm not at all a fan of saws as even the largest boards I've done (6x6
or so) takes some care to safely cut. Just the thought of cutting a
2"x2" board gives me the creeps...  Noisy, dirty, blah blah blah

Phil

--- In Homebrew_PCBs@yahoogroups.com, "lcdpublishing"
<lcdpublishing@y...> wrote:
> After cutting a few boards to size on the band saw, I now realize how 
> abrasive they are and how quickly then can dull a band saw blade (made 
> for wood cutting).  I have used the table saw (with a carbide tipped 
> blade), but again, suspect this may cause premature dulling.
> 
> I have heard about shears and even paper cutters, but am not sure if I 
> am thinking of the same shears and papers cutters being disscused.
> 
> Chris

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