Hi Steve,

A few years back, I solder connectors like that using
solder donuts from Alphametal and the result looks
pretty good.  I believe you can custom order those
donut in array form that is the same array as each
connector.  Don't forget to calculate the solder
volume (donut size- ID/OD and thickness) needed to
fill each of the hole.

Good luck.

Ted
--- Steve Gregory <[log in to unmask]> wrote:
> Mornin' All!
>
> One of the guys from our bid department asked me to
> come and look at a
> backplane we're bidding on, and tell him how we
> would solder it? I went and looked
> at it, and I'm not sure how we would. Go to
> http://www.stevezeva.homestead.com
> and take a look at Backplane Topside, Backplane
> Backside, and Backplane
> Backside Leads.
>
> The leads for all the connectors protrude at least a
> half inch or longer out
> the bottom of the board. I'm assuming they are that
> long because they get wire
> wrapped after the backplane is assembled. But how do
> you solder something
> like that? Some sort of dip solder pot? Drag solder?
> I don't think I'm going to
> be able to solder a board with leads that long in
> our Electra wave solder.
>
> I can tell board was mass soldered, and I'm thinking
> it was dipped somehow.
> Because you can see tiny little peaks on most of the
> lead tips that go straight
> up and down. Is there such thing as some sort of dip
> solder machine?
>
> Sorry for all the dumb questions, but I've never
> been around a backplane like
> this, and don't really know how something like this
> gets built.
>
> Thanks!
>
> -Steve Gregory-
>
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