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2. Determining tightening torque
To make a bolted joint, a torque wrench is generally used to apply a driving torque C to the nut (or screw head) (figure 8 ). Equal resisting torque of opposite sign results from the action on the nut of the contact forces of the screw threads and the assembled parts (or washer).
We can write :
with :
- C 1 :
-
torque due to contact forces of screw threads on nut
- C ...
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Determining tightening torque
Static strength of a bolt
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