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Subject: Machining Polypropylene

Date: 01/26/02 at 10:41 AM
Posted by: Leo
E-mail: nick75p1n@yahoo.com
Message Posted:

Hello, After machining aprox. 40 rectangular pockets, measuring 1.0in.x 1.5in.x .100dp. into a sheet of
Polypropylene that measured 20in.x 20in.x3/4in.thick, the material cupped and bowed out of shape.
Is there any method to stress relive (I use stress relive for a lack of better terminology) this material back to where it will lay somewhat flat?
Thanks,
LEO


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