I would have to call this the wrong approach!  All soldering operations, be
they initial soldeing or rework/repair, need to be addressed as process
with an examination of materials and other processes involved.  There is no
magic bullet recommendation.  There are some baseline recommendations which
can be found in IPC-7711 and IPC-7721.

Please --- review your rework and repair applications as a legitimate
process with all the attendant responsibilities that go with that.  Also
please bear in mind that while I might be able to solder with a 900° iron
and acheive a perfectly acceptable solder joint with the workpiece not
being thermall overstressed, another operator using a 650° iron may destroy
the assemble.  I cannot overemphasize the training aspects and operator
skill levels required.

At 09:10 AM 8/18/98 -0400, you wrote:
>Currently for our inhouse rework, we keep our soldering iron temperature at
>500 degree F. In an audit of our Contract Manufaturer, the soldering iron
>temperature for rework was 750 degree F. In reviewing various IPC documents,
>we can not find a recommended temperature. What are the various companies
>using and what source is employed.

--
------------------------------------------------------------
David E. Robertson
IPC 5-22c Manual Soldering Task Group Chairman
Hexacon Electric Co.  (908) 245-6200
Sales Manager         (908) 245-6176 fax
161 W. Clay Ave.
Roselle Park NJ 07204-1946

e-Mail: [log in to unmask]
  URL: http://www.hexaconelectric.com
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