When I mentioned a shear, I did not mean shears.? You can get a PC board shear from Harbor Fright that will do about 12 inch wide material for not very much.? I would not try to use metal shears (as in hand variety) for that at all.
Harvey
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On 9/1/2024 1:11 PM, Radu Bogdan Dicher wrote:
Wait, of?course!... (forehead slap audible west of the Rockies...) Quite a brain fart to say "occasionally cut PCB and wasn't aware there's an ominous aspect to it." I did/do, just tucked it away in obsolete sectors of the brain, as it's been many years since I stopped prototyping/fabbing my own boards (as opposed to designing and having them fabbed by some house), and so cutting PCB has not been a thing for me in a very long time.
Anyway, I very much like the idea of using shears (will need to figure their size and what would make them cut distinguishably straight - I'm unfortunately extremely anal with such things - as the boards I need to slice are about 6" long), and also I need to gear up on a shop vac, which I'd like to have HEPA-filtered.
Thanks a ton all.
Radu.
On Sun, Sep 1, 2024 at 8:34?AM John Griessen via groups.io <> <john@...> wrote:
On 9/1/24 06:56, Radu Bogdan Dicher wrote:
> PCB sawing dust? If yes, I'm not cutting PCB in this particular
step under examination here - but rather plastic (fiberglass?...)
> from the edge connector body - though I've occasionally cut PCB
and wasn't aware there's an ominous aspect to it. John - would you
> care to elaborate?
Sure.? Any dust with ceramic in it fills tiny sacs in lungs
leading to emphysema.? Also can be carcinogen.
Use a nice mask and ventilation when cutting.? ? ?Ventilation such
as a vacuum cleaner would do.
I like the recommendations to use an abrasive diamond wheel, and
also use it at low speed if possible, not on an angle grinder.
for instance, for floor and countertop polishing, diamond embedded
in rubber discs is used at low speed with a spigot for water
flowing through the motor shaft, out the abrasive wheel center.?
Keeps it safe.? (If the GFI works!)
--
John
