Hi Keith - soldering to nickel is not a difficult as you might think, then 
again "difficult" is a very relative term. I suggest talking to the solder 
suppliers, tell them that you need to solder to nickel plated copper wire, 
and what type of cleaning process you are using. The suppliers should be 
able to make a recommendation of which of their products would work. Don't 
forget the cleaning process segment of the question as it is as important 
as the flux type.

Dave Hillman
Rockwell Collins
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Keith Calhoun <[log in to unmask]> 
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[TN] Wire soldering question






 
We are building a small assembly for one of our customers using
M22759/12-24 wires, (nickel plated copper, Teflon insulated).  We are
using Multicore HMP solder, (Sn5, Pb93.5, Ag1.5) for this assembly.
 
Do any of you have a recommendation for a flux that may help in getting
this wire to wet?  The other solder joints are acceptable, we just can't
get the wire to wet.  I know that I am trying something difficult, as
soldering to nickel is difficult at best.  I would be most greatful for
any suggestions that anyone has for this.
 
Thanks for the excellent resource!
 
Keith S. Calhoun
Manufacturing Engineering Manager
SoPark Corporation
3300 South Park Avenue
Buffalo. New York 14218
Phone: 716-822-0434 ext. 237
Fax: 716-822-5062
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Thank you for helping SoPark reach our 30th year as a Premier
Electronics Manufacturing Service Provider!
ISO 9001:2008 & AS9100B Certified 
 

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