The lead cutting fixture works like this:

There is a pair of adjustable rails that will allow the PC board to slide
along.  This is a simple aluminum extrusion that can control the edge of the
board at a constant height.
Just underneath the bottom of the board there is a rotating blade.   Not
sure what kind of blade, but it is probably a thin abrasive cutoff blade.

You slide the PC boards along the rails, and the blade cuts off the leads in
bulk.

Every so often a lead will be bent over 900 and the fixture will miss it, so
a little cleanup with snips is needed.

The fixtures always look very simple and shop-made when I've seen them in
the plants in China.



----- Original Message -----
From: "SM Ling" <piclister@yahoo.com>
To: "Lawrence Lile" <llile@toastmaster.com>
Sent: Thursday, December 27, 2001 9:37 PM
Subject: Cheap wave soldering method


> Hi Lawrence,
>
> Guess other more important advantages are the time save, the whole
> production process for a small run might be much faster than the
outsourcing
> process.
> Not to mention, all the setup charge, etc
>
> Could you provide more detail on the cutting fixture ?  This is a real
time
> saver than cutting lead by lead.
>
> Thanks,
>
> Ling SM
> .
> > HERES HOW THEY DO high volume cheap production over in China.  It's
likely
>
> snipped
>
> > You can snip off the component ends, but they are mostly cut off in a
saw
> > fixture.  Clean by dunking in a bucket of  flux solvent and fish them
out
> > with a big spoon.
>
>

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