How much should I tighten this nut?
Which mechanic is not familiar with this issue: "This screw should be tightened with 40 Nm."
Just to ensure that one gets a reliable connection which does not loosen by vibrations. All that counts is applying the right tension in the screw connection, measured in kilo-newton.
Because it is hard to measure this tension, one uses the torque. The friction between the thread and the head of the fastener on the material plays a crucial role.
To give you an idea of this friction, Jeveka included tables on the technical information page.The friction depends on the screw material and the coating or lubricant on the screw. The material in which the screw is turned, also plays a major role. On this basis, one can get a reasonable idea of the required torque.
Jeveka now has a friction testmachine which makes it possible to determine the exact coefficient of friction between the screw and material of your object. At your request we carry out measurements and provide the results in a report. This machine is suitable for the measurement of compounds from M3 to M16, so most of the dimensions will be covered.
If you are interested or have any questions, please contact your representative or send an email to firstname.lastname@example.org
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