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Subject: Re: 1523 joints
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Date: Wed, 23 Oct 2002 04:34:16 GMT
NNTP-Posting-Date: Wed, 23 Oct 2002 06:34:16 MET DST
> "Christopher R. Carlen" wrote:
> > Hi folks:
> > I have a design in the works, and it looks like it will involve two PCBs
> > with a total of 1523 solder joints per assy. I will likely need to
> > produce between 4-10 of these over the next few months.
> > The objectional quantity of solder joints is making me consider having
> > them manufactured by a local custom electronics assembly shop.
> > only master builder we had left. Then he regretted it, but couldn't
> > bring himself to reverse the error.
> > Oh well. Any comments welcome on your experiences and wisdom with
> > getting jobs outsourced, how to describe what to do, how to cover one's
> > buttocks if there is an error, etc.
> In spite of these problems, we prefer outside assembly. Each board takes
> about 12 hours to assemble and quite frankly, I could not assemble them
> myself because my eyes are not good enough. Trouble shooting takes a few
> hours per board and, in many cases, I send the board back to the shop
> for repair after I find the problems.
> It's a mixed bag but because none of us involved in the design of the
> boards will assemble them, we have no choice.
from what you write I get the feeling this circuit board is somewhat
unfinished. Maybe you have no silkscreen printed on top or the layout is to
be improved. With a good silkscreen, soldermask and the proper distances
between the parts probably any tech will be able to solder the beast to your
content. Soldering connectors to cables is IMHO more difficult than to stuff
Try not to criticize your coworkers, but share the hope you have to try
something new and better. The skills come easier with a lovely work
atmosphere. Be honest about your experience.
Get a specialist to check your work, so you have more confidence into
yourself. He could as well give directions how to treat the different
problems you are addressing from a professionals view.
electronic hardware designer
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