Ron,

One or two negative comments I want to add; in my previous
work life, we used metal smt tips to rework smt components a
lot.  Water-soluble flux eats up those expensive tips very fast.
They were not recoganizable after a few  months.  Now we are
using no-clean flux and that problem is no long an issue.

As other techy responses, the proper usage and maintenance of
tips are very important.  Tin tips before and after reworking each
component, and never force tips to remove components.

regards
Matthew Park
NII-Norsat International Inc.
>>> Ron Hollandsworth <[log in to unmask]> August 14, 1998
5:14 am >>>
     We are using a no-clean handsoldering flux.  I have seen and
heard
     many stories of how good MetCal irons are for a no-clean
operation.
     Maybe I could get some listners here to take note of the
importance of
     iron temperature and no-clean if you TechNet buddies out in
the World
     would drop a line or two onto the TechNet about the pros and
cons of
     the MetCal soldering irons.  Perhaps I may be able to
convince others
     in this organization that this is the way to go for tip
temperature
     control.

     I would appreciate the help.

     Thanks
     Ron Hollandsworth
     Operations Task Leader
     Advanced Manufacturing Engineering
     [log in to unmask]

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