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Re: Bolt Tightening - Turn of the nut method

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>Actually since the T.O.N. method imposes a fixed change in length to the 
>bolt, occuring over the grip length, it follows that the shorter the grip 
>length the greater the bolt tension.
You're right. The flange stiffness also increases with decreasing flange 
thickness. I think I said it decreases. It follows that what happens is 
that the bolt load increases for thinner flanges, but that the flange 
stiffness relative to the bolt bprobably doesn't change much. I botched 
that one. I'm the one who should go back into his machine design 

Christopher Wright P.E.    |"They couldn't hit an elephant from
chrisw(--nospam--at)        | this distance"   (last words of Gen.
___________________________| John Sedgwick, Spotsylvania 1864)

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