--- In
Homebrew_PCBs@yahoogroups.com, "Roy J. Tellason"
<rtellason@b...> wrote:
<snip>
>I haven't yet begun to explore the possibilities of various holddown
>method. I can think of a few right off the top of my head, those
>being simple clamps, some kind of a T-slot table (more clamps), or
>maybe a vacuum holddown setup. What else is there?
Masking tape. By far the most common, and the most reliable, IMO. The
registration is done with 1/8 or 3mm pins. You use the cnc to drill
for them in the pcb AND the holes they fit into in the machine table
(or a spoil board (recommended)). Just like a "real" board house
tooling holes...
>Roy wrote of SMD's:
>That's someplace else I have no intention of going. That stuff
>does provide some benefit, to be sure, in terms of component
>density and especially for manufacturing in large quantities, but
>again, I don't see me getting into any of that sort of thing.
Common through hole parts are being discontinued with amazing
regularity. Plan now your shift towards SMT and D or regret it
later...
Hope this helps,
Ballendo