Re: Stepper motor speeds

--- In CAD_CAM_EDM_DRO@y..., "ajv2803959" <antonio-ximenez@t...>
wrote:

> How do you make the plated holes ????

eyelets

http://www.keyelco.com/kec/pdfs/p88.pdf

digi-key P/N 22k-nd 23k-nd


drill holes, insert eyelet and solder.

In my attempts, I found that more time makeing traces stay on one
side of the board and reducing the need for plated thruholes, the
faster the assembly goes. and in more than a few cases, I found one
sided boards can be done with little additional effort.

Dave

>
> Thanks in advance
> --- In CAD_CAM_EDM_DRO@y..., "JJ" <jj5412@e...> wrote:
> > I used the unipolar drives while milling the bipolar driver

boards.

> > All you'll need is a 0.020" endmill, a few small drill bits, and
> blank
> > double-sided PC board.
> >
> > I'm working now to eliminate the tiny slivers left between some
> tracks.
> > This should eliminate most of the hand work to dress up the board.
> >
> > Regards,
> > JJ
> >
> > Be Kind, Be Careful, Be Yourself
> >
> >
> >
> > > -----Original Message-----
> > > From: JanRwl@A... [mailto:JanRwl@A...]
> > > Sent: Tuesday, November 05, 2002 11:04 PM
> > > To: CAD_CAM_EDM_DRO@y...
> > > Subject: Re: [CAD_CAM_EDM_DRO] Re: Stepper motor speeds
> > >
> > >
> > > In a message dated 11/5/2002 8:37:04 PM Central Standard Time,
> > > jj5412@e... writes:
> > >
> > > > Incidentally, I used the machine to mill it's own driver
> > > boards. I think
> > > > that's cool.
> > >
> > > Yes! Chicken or egg? How possible? You use some
> > > "temporary" drivers,
> > > first?
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
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to

> be a
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POSTING

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