How to Calculate Initial Preload in Bolt due to Tightening?
Initial Preload in Bolt due to Tightening calculator uses Initial Preload in Bolt Due to Tightening of Nut = Resultant Load on Bolt-Change in External Load to calculate the Initial Preload in Bolt Due to Tightening of Nut, The Initial Preload in Bolt due to Tightening is encountered when we generally apply torque via wrench to bolt or nut to generate required tightening load. This tightening load is called preload. Preload is defined as tension created in fastener when it is tightened. Initial Preload in Bolt Due to Tightening of Nut is denoted by Pi symbol.
How to calculate Initial Preload in Bolt due to Tightening using this online calculator? To use this online calculator for Initial Preload in Bolt due to Tightening, enter Resultant Load on Bolt (Pb) & Change in External Load (ΔPi) and hit the calculate button. Here is how the Initial Preload in Bolt due to Tightening calculation can be explained with given input values -> 850 = 6755-5905.