Hi Joel:
                  While you get your doughnuts you can wrap some pieces
of flux core solder wire around the pins and then use heat gun. Caution,
keep heat gun moving. Choose an operator that has some experience with
heat gun soldering. If you do not have flux core solder wire, wrap the
solder wire and using long tip flux dispenser coat the base of the pins
only.
        Good luck,
        Ramon 


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Lance Mayes
Sent: Tuesday, October 04, 2005 1:54 PM
To: [log in to unmask]
Subject: Re: [TN] Hand Soldering Long Gold Pins

Hi Joel,

We have a similar set of headers that are hand soldered.  If this is an
on going process you might have your machinist build a fixture to hold
the pins in place and the operators could then place the pins in the
fixture and then the boards on the fixture to solder them.
That's what we did for our problem.  One question, are the operators
soldering from the primary side or the secondary? We solder from the
secondary and the leads are much easier to solder.

Hope it works out for you.


                        P.  Lance Mayes CIT
                        Mfg. Trainer



Joel Mearig <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
10/04/2005 09:58 AM
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Subject
[TN] Hand Soldering Long Gold Pins






I have a number of assemblies that have long (0.5") connector pins that
must be soldered in the board. The pins must remain gold so at the
moment I am trying to hand solder. This is a difficult process. The
0.100" spacing makes it difficult for my production personnel to solder
without getting solder on the gold pins.



The connectors are double row and there are two beside one another
creating a four pin bank of 0.100" spaced pins. Any thoughts on how I
can improve this process for the soldering personnel would be greatly
appreciated.



Joel Mearig




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