Homebrew PCBs

Hi Hans,

Thanks for the data.

I searched the Harwin site and could not find any data on ID of the 
pins.

anyone have any other data ?

Seems like a simple answer to thru hole plating.

Dave


--- In Homebrew_PCBs@y..., Hans Wedemeyer <hans@c...> wrote:
> Brian,
> I use Harwin pins when I have space. They require a 0.035" hole and 
must
> be riveted for reliable connections. I understand some people don't
> bother with riveting ! There is a special dispenser for the pins, 
I've
> never seen it, and can't be bothered to get one, I simply push the 
rod
> in and bend it, that leaves the pin jammed in place ready to rivet.
> The pins are shown here
> http://hans-w.com/harwin_pins.jpg
> I buy them from AXIS ELECTRONICS INC. 301-840-9640 in packets of 
2500
> Harwin part # T1558-01
> Cost... well I can't remember the exact $ figure but $35-45 
including
> freight sounds about right.
> I rivet them with a modified automatic center punch shown here
> http://hans-w.com/punch.jpg
> 
> When I need a really small via, I drill 0.016" and insert a tinned
> copper wire and rivet with these modified pliers shown here
> http://hans-w.com/modified_pliers.jpg
> As you can see the extra clearance allow deeper access fro the edge 
of
> the PCB. Copper wire is so soft one squeeze and it's in place.
> Hans Wedemeyer
> 
> 
> Brian Schmalz wrote:
> 
> >  Hans,
> >      Can you describe more about your Harwin Via Pins? I'm very
> > interested.
> > Where did you get them, how much do they cost, what size holes do 
you
> > drill,
> > how do you apply them, etc. Your board looks very nice!
> >
> > *Brian
> >
> > -----Original Message-----
> > From: Hans Wedemeyer [mailto:hans@c...]
> > Sent: Friday, October 18, 2002 5:00 PM
> > To: Homebrew_PCBs@y...
> > Subject: Re: [Homebrew_PCBs] Ferric chloride?
> >
> >
> > COS (change of subject) for those interested I posted a photo of 
how I
> >
> > rivet Harwin via pins
> > http://hans-w.com/pcb_harwin_rivets.jpg
> > <http://hans-w.com/pcb_harwin_rivets.jpg>
> > The four pads at the lower right are half of an SO8, should help 
to
> > gauge size.
> >
> > Hans Wedemeyer
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
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