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24 Ιουλ 2024 · Torque (Nm) = K × D × P. Where "K" is the torque coefficient, "D" is the nominal diameter of the bolt, and "P" is the bolt's clamping force. This helps determine the right torque for secure fastening. The bolt torque calculator helps you make sure you tighten your bolts correctly.
This calculator can be used to calculate the force acting in a bolt. T - torque (Nm, lb f ft) K - constant. d - diameter bolt (m, ft) torque reduction due to lubrication (%)
12 Αυγ 2024 · Bolt Tightening Torque Chart: Standard Bolt Sizes at a Glance. Torque is a measure of the rotational force applied to an object, often expressed in units like Newton-meters (N m) or foot-pounds (ft-lb).
K values: waxed (e.g. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts (as received) = .20. Torque has been converted into ft/lbs by dividing the result of the formula by 12; All calculations are for Coarse Thread Series (UNC). Grade 2 calculations only cover fasteners 1 ⁄ 4 “-3 ...
A popular formula for quick bolt torque calculations is T = KFd, where T denotes torque, F denotes axial load, d denotes bolt diameter, and K (torque coefficient) is a calculated value from the formula: $$ K = \left({ d_m \over 2d }\right) { \tan{\psi} + \mu \sec{\alpha} \over 1 - \mu \tan{\psi} \sec{\alpha} } + 0.625 \mu_c $$
In every T&D rocker set is a small tool called a Stand Height Gage. When used per instructions, the stand height gage is invaluable for getting your rocker arms into their proper configuration. T&D also has available Pushrod Length Checkers.
To convert pounds (lbs) to Newtons (N), multiply by 4.448 To convert inches (in) to millimeters (mm), multiply by 25.4. Note: When using Zinc Plated (lubricated with wax) Top Lock Nuts, the K value can vary be-tween 0.12-0.16. For additional technical information, contact Fastenal Engineering at engineer@fastenal.com.
