[time-nuts] OT stuffing boards: was GPS interface/prototyping board

Bob Camp kb8tq at n1k.org
Fri Jun 24 02:36:23 UTC 2016


Hi

The gotcha with “really slow” is that once you print the solder paste on the board, it has a very 
limited “open air” life. If you don’t get the board done fairly quickly, your soldering quality can
suffer quite a bit.

Bob


> On Jun 23, 2016, at 8:58 PM, Chris Albertson <albertson.chris at gmail.com> wrote:
> 
> This is a very important topic for anyone who wants to build state of
> the art electronic today.   You can't continue to live in the 1970s
> using DIP parts with 0.1 inch leads.  So how to make small batches of
> custom designs.
> 
> The pick and place machine could be very inexpensive if you are
> willing to let it run very slow using only one or two really of parts
> at a time and work on small boards.   The RapRap type 3d printers
> don't cost much to build.  A pick and place is not much more than a 3d
> printer with a different nozzle.    You can find people doing this on
> other email lists that deal with robots
> 
> For most projects these SBCs (arduino, Pi 3, BBB,...) allow you to
> build almost anything without need of a custom PCB.
> 
> On Thu, Jun 23, 2016 at 3:38 PM, Bob Stewart <bob at evoria.net> wrote:
>> Thanks Bob et al,
>> 
>> This is about what I expected, but I had to ask.  I wonder how long it'll take for that several thousand bucks for a pick-n-place machine to become a couple hundred?  That would be the final hurdle for the tiny electronics business.
> 
> -- 
> 
> Chris Albertson
> Redondo Beach, California
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