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Bill;
You probably can
remove the twist with heat. I would recommend that you establish the
surface to which you would like the flap to conform first, position the flap so
you can apply pressure at the appropriate locations and also make sure you have
a method of applying sufficient pressure over a large enough area so as to not
simply depress a localized area.
I would highly
recommend that you (uniformly) heat up the flap BEFORE applying pressure,
and then apply the pressure in incremental steps. Once it is in position,
remove the heat and allow to cool. Part should remain in
that position, if you have had high enough temperature, without
any 'springback'. Use an IR heat gun thermometer if you can locate one for
monitoring the temperature of the part. Temperature between 250F and 275F
should work, depending on the heat distortion temperature of the resin
used. You should get to that temperature, or slightly higher.
Applying pressure
first and then heating may result in an area that may be heating faster to
provide all the 'yield' and possibly create a localized structural
problem.
Gary R
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