You might have to bond it to reinforce it. Another possibility
is to build up the material around the hole and have it redrilled to
original size.
        Ramom
         

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Peter Lee
Sent: Friday, June 09, 2006 1:57 PM
To: [log in to unmask]
Subject: [TN] Reworking PEM nut on PCBA

Does anyone have recommendation on a process to remove self-clinching
PEM nut from the board? An incorrect 4-40 size and 1/4" long nut was
mistakenly installed and needs to be removed and replaced with a similar
but shorter nut.

Would I lose much of the clinching strength by re-using the hole? Is
there any work-around to reinforce the hole to achieve the similar pull
strength as before?

Any suggestion is appreciated.

Rgds,
Peter

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