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?c/s- calculating inertia and stiffness

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bucknico

bucknico

Mechanical
Joined
Sep 12, 2005
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I need to calculate the inertia and stiffness values for the web sections of a crankshaft. Does anybody know the equations I should use?
Thanks.
 
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Is this for a Holzer type analysis?

Ip= sigma dm*r^2

Torsional stiffness for a cylinder is pi*d^4/32*G/L



Cheers

Greg Locock

Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.
 
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