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Running Torgue
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Posted by: rrdurbin

02/24/2005, 08:40:20

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Does anyone know the formula for calculating running torque of a screw/bolt with self locking nut?






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Re: Running Torgue
Re: Running Torgue -- rrdurbin Post Reply Top of thread Forum
Posted by: Cragyon Administrator, Administrator
Bart
02/24/2005, 22:26:19

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I do not beleive that there is a "Formula" for calculating the actual torque required, however there is a procedure.

First determine the desired torque for your application.

While torquing the screw / nut, measure the torque required to turn the screw onto the nut only, call this the "friction torque".

Your actual torque for the screw / locking nut is equal to the desired torque plus the friction torque.







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