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Stresses seen in a hinge pin

Stresses seen in a hinge pin

Stresses seen in a hinge pin

(OP)
In a previous closed thread (thread404-81231), "Superstress" suggested to use the approach outlined by Bruhn when checking stresses on a the pin an a lug clevis assembly. Does anyone know if using this analysis would be a conservative approach or if it is a close approximation of the actual stresses seen in the pin.

Thanks in advance for any help wih this issue.

Tony Billeaud
Mechanical Engineer

RE: Stresses seen in a hinge pin

Well, Bruhn is a pretty conservative sort of fellow, but I don't have a copy handy to look at.

Let's just say if it was WWF knockdown between Bruhn and Roark, I think I'd expect a long fight, with Bruhn ahead.

Cheers

Greg Locock

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RE: Stresses seen in a hinge pin

tnteng:  It's only slightly but not overly conservative, and is a widely-used method, not just by Bruhn. The bending moment, M, is 0.5*P multiplied by that moment arm. Keep in mind for static loading, you generally use pin ultimate bending capacity for this approach, which means you divide M*c/I by pin ultimate plastic shape factor.

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