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elastomer diaphragms

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ADNPD

ADNPD

Mechanical
Jun 19, 2003
16
Hello,

I am designing a piston cylinder with a moblie elastomer (nylon with neoprene coating) diaphragm seal that moves with the piston.

How do I go about determining the travel of the diaphragm before failure of the elastomer?

Your help would be greatly appreciated.

ADNPD

 
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Make the diaphram into a ROLLING diaphram. Essentially stress free.
 
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I understand that there are rolling diaphragms which are essentially stress free. However I would like to know if I could get away without using one. Essentially, I am asking about how to determine the flexural strength of an elastomer. Thank you for your reply.

 
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