[TriEmbed] removing the "bumps" from OSH Park boards

[Scott Hall]

A quick tap up against a vertical power sander does the trick for me --
less than a second per edge.

On Mon, Jul 20, 2020 at 7:25 PM Glen Smith via TriEmbed <
triembed at triembed.org> wrote:

> It's been a while since I had to do this on any kind of scale, but a small
> diamond whetstone works great on the edges of PCB's to get rid of the bumps
> as well as the nasty rough edges. It can be used with water to keep the
> dust down.
>
> Working with a PCB that has the edges smoothed in this way feels a little
> bit decadent, but it sure is nice not to have them grabbing back with those
> fibers.
>
> Glen
>
> On Mon, Jul 20, 2020, 4:34 PM Pete Soper via TriEmbed <
> triembed at triembed.org> wrote:
>
>> I found the perfect tool: a large diameter grindstone in a fixed
>> position Dremel (i.e. mounted in a press or something). It's perfect for
>> very quickly knocking the bumps off and you can make the edges as close
>> to flat as your eyesight and hands allow. Getting rid of the whole bump
>> is important for minimizing the hassle of pasting with a stencil (any
>> little bump can cause the alignment to be messed up). But it also makes
>> the boards much more attractive.
>>
>> But folks, be sure to wear a good mask. I can only think of one thing
>> worse than fiberglass dust getting into the lungs. The good shop masks
>> with the "easy exhale" valves seem to work very well for me.
>>
>> -Pete
>>
>>
>>
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-- 
Scott G. Hall
Raleigh, NC, USA
scottghall1 at gmail.com
*Although kindness is rarely a job, no matter what you do it's always an
option.*
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