Initial Preload in Bolt due to Tightening Solution

STEP 0: Pre-Calculation Summary
Formula Used
Initial Preload in Bolt Due to Tightening of Nut = Resultant Load on Bolt-Change in External Load
Pi = Pb-ΔPi
This formula uses 3 Variables
Variables Used
Initial Preload in Bolt Due to Tightening of Nut - (Measured in Newton) - Initial Preload in Bolt Due to Tightening of Nut is defined as the difference between the resultant load on the bolt and change in external load.
Resultant Load on Bolt - (Measured in Newton) - Resultant Load on Bolt is the total resultant force/load acting on the bolt after tightening the bolt.
Change in External Load - (Measured in Newton) - Change in External Load is the amount of variation in the externally applied force or load.
STEP 1: Convert Input(s) to Base Unit
Resultant Load on Bolt: 6755 Newton --> 6755 Newton No Conversion Required
Change in External Load: 5905 Newton --> 5905 Newton No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Pi = Pb-ΔPi --> 6755-5905
Evaluating ... ...
Pi = 850
STEP 3: Convert Result to Output's Unit
850 Newton --> No Conversion Required
FINAL ANSWER
850 Newton <-- Initial Preload in Bolt Due to Tightening of Nut
(Calculation completed in 00.004 seconds)

Credits

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Created by Vaibhav Malani
National Institute of Technology (NIT), Tiruchirapalli
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Verified by Rajat Vishwakarma
University Institute of Technology RGPV (UIT - RGPV), Bhopal
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Initial Preload in Bolt due to Tightening Formula

​LaTeX ​Go
Initial Preload in Bolt Due to Tightening of Nut = Resultant Load on Bolt-Change in External Load
Pi = Pb-ΔPi

What is a fastener?

A fastener or fastening is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components.

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.

FAQ

What is Initial Preload in Bolt due to Tightening?
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 and is represented as Pi = Pb-ΔPi or Initial Preload in Bolt Due to Tightening of Nut = Resultant Load on Bolt-Change in External Load. Resultant Load on Bolt is the total resultant force/load acting on the bolt after tightening the bolt & Change in External Load is the amount of variation in the externally applied force or load.
How to calculate Initial Preload in Bolt due to Tightening?
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 is calculated using Initial Preload in Bolt Due to Tightening of Nut = Resultant Load on Bolt-Change in External Load. To calculate Initial Preload in Bolt due to Tightening, you need Resultant Load on Bolt (Pb) & Change in External Load (ΔPi). With our tool, you need to enter the respective value for Resultant Load on Bolt & Change in External Load and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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