Limiting force on bolt given stiffness and initial preload Solution

STEP 0: Pre-Calculation Summary
Formula Used
Limiting Load on Bolt = Initial Preload in Bolt Due to Tightening of Nut*((Stiffness of Threaded Bolt+Combined Stiffness of Gasket And Parts)/Combined Stiffness of Gasket And Parts)
Fl = Pi*((kb'+kc')/kc')
This formula uses 4 Variables
Variables Used
Limiting Load on Bolt - (Measured in Newton) - Limiting Load on Bolt is the friction force generated on the bolt when the bolt is tightened.
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.
Stiffness of Threaded Bolt - (Measured in Newton per Meter) - Stiffness of Threaded Bolt is the extent to which the bolt resists deformation in response to an applied force.
Combined Stiffness of Gasket And Parts - (Measured in Newton per Meter) - Combined Stiffness of Gasket And Parts is the combined stiffness of two parts joined by a bolted joint and the gasket between them.
STEP 1: Convert Input(s) to Base Unit
Initial Preload in Bolt Due to Tightening of Nut: 850 Newton --> 850 Newton No Conversion Required
Stiffness of Threaded Bolt: 75000 Newton per Millimeter --> 75000000 Newton per Meter (Check conversion ​here)
Combined Stiffness of Gasket And Parts: 1200 Newton per Millimeter --> 1200000 Newton per Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Fl = Pi*((kb'+kc')/kc') --> 850*((75000000+1200000)/1200000)
Evaluating ... ...
Fl = 53975
STEP 3: Convert Result to Output's Unit
53975 Newton --> No Conversion Required
FINAL ANSWER
53975 Newton <-- Limiting Load on Bolt
(Calculation completed in 00.004 seconds)

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National Institute of Technology (NIT), Tiruchirapalli
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Design Application Calculators

Limiting force on bolt given stiffness and initial preload
​ LaTeX ​ Go Limiting Load on Bolt = Initial Preload in Bolt Due to Tightening of Nut*((Stiffness of Threaded Bolt+Combined Stiffness of Gasket And Parts)/Combined Stiffness of Gasket And Parts)
Factor of Safety in Terms of Tensile Yield Strength of Threaded Fastner
​ LaTeX ​ Go Factor of Safety For Bolt = Tensile Yield Strength of Bolt/Tensile Stress in Bolt
Number of Bolts required
​ LaTeX ​ Go Number of Bolts in Joint = External Force on Bolt/Primary Shear Load on Bolt

Limiting force on bolt given stiffness and initial preload Formula

​LaTeX ​Go
Limiting Load on Bolt = Initial Preload in Bolt Due to Tightening of Nut*((Stiffness of Threaded Bolt+Combined Stiffness of Gasket And Parts)/Combined Stiffness of Gasket And Parts)
Fl = Pi*((kb'+kc')/kc')

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 Limiting force on bolt given stiffness and initial preload?

Limiting force on bolt given stiffness and initial preload calculator uses Limiting Load on Bolt = Initial Preload in Bolt Due to Tightening of Nut*((Stiffness of Threaded Bolt+Combined Stiffness of Gasket And Parts)/Combined Stiffness of Gasket And Parts) to calculate the Limiting Load on Bolt, Limiting force on bolt given stiffness and initial preload is defined as the amount of net force the bolt can hold until failure. It is the limiting value of force. Limiting Load on Bolt is denoted by Fl symbol.

How to calculate Limiting force on bolt given stiffness and initial preload using this online calculator? To use this online calculator for Limiting force on bolt given stiffness and initial preload, enter Initial Preload in Bolt Due to Tightening of Nut (Pi), Stiffness of Threaded Bolt (kb') & Combined Stiffness of Gasket And Parts (kc') and hit the calculate button. Here is how the Limiting force on bolt given stiffness and initial preload calculation can be explained with given input values -> 53975 = 850*((75000000+1200000)/1200000).

FAQ

What is Limiting force on bolt given stiffness and initial preload?
Limiting force on bolt given stiffness and initial preload is defined as the amount of net force the bolt can hold until failure. It is the limiting value of force and is represented as Fl = Pi*((kb'+kc')/kc') or Limiting Load on Bolt = Initial Preload in Bolt Due to Tightening of Nut*((Stiffness of Threaded Bolt+Combined Stiffness of Gasket And Parts)/Combined Stiffness of Gasket And Parts). 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, Stiffness of Threaded Bolt is the extent to which the bolt resists deformation in response to an applied force & Combined Stiffness of Gasket And Parts is the combined stiffness of two parts joined by a bolted joint and the gasket between them.
How to calculate Limiting force on bolt given stiffness and initial preload?
Limiting force on bolt given stiffness and initial preload is defined as the amount of net force the bolt can hold until failure. It is the limiting value of force is calculated using Limiting Load on Bolt = Initial Preload in Bolt Due to Tightening of Nut*((Stiffness of Threaded Bolt+Combined Stiffness of Gasket And Parts)/Combined Stiffness of Gasket And Parts). To calculate Limiting force on bolt given stiffness and initial preload, you need Initial Preload in Bolt Due to Tightening of Nut (Pi), Stiffness of Threaded Bolt (kb') & Combined Stiffness of Gasket And Parts (kc'). With our tool, you need to enter the respective value for Initial Preload in Bolt Due to Tightening of Nut, Stiffness of Threaded Bolt & Combined Stiffness of Gasket And Parts 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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