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Calculating deflection of a tube

by Mu naught
Tags: deflection, tube
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Mu naught
#1
Jun30-10, 07:41 PM
P: 212
I'd like to calculate the maximum deflection a PTFE tube of 65mm diameter and 5mm thickness. The tube is roughly 3m long and a 1.3m section will be unsupported, I want to know what the maximum deflection the end will experience under it's own weight. I've looked up it's tensile stength which is betweem 10-40 MPa (I don't really understand that unit though)

Could anyone help with this?

Btw, this is not a homework problem this is for a real application.
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stewartcs
#2
Jul6-10, 09:17 AM
Sci Advisor
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P: 2,283
Quote Quote by Mu naught View Post
I'd like to calculate the maximum deflection a PTFE tube of 65mm diameter and 5mm thickness. The tube is roughly 3m long and a 1.3m section will be unsupported, I want to know what the maximum deflection the end will experience under it's own weight. I've looked up it's tensile stength which is betweem 10-40 MPa (I don't really understand that unit though)

Could anyone help with this?

Btw, this is not a homework problem this is for a real application.
Treat it like any other beam. Roark's is a good reference for the appropriate formula.

CS


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