Initial Preload due to Bolt tightening given kb and kc Solution

STEP 0: Pre-Calculation Summary
Formula Used
Initial Preload Due to Bolt Tightening = Maximum force inside pressurized cylinder*(Stiffness of pressurized cylinder bolt/(Combined stiffness for gasket joint+Stiffness of pressurized cylinder bolt))
Pl = Pmax*(kb/(kc+kb))
This formula uses 4 Variables
Variables Used
Initial Preload Due to Bolt Tightening - (Measured in Newton) - Initial preload due to bolt tightening value is the tension created in a fastener when it is tightened.
Maximum force inside pressurized cylinder - (Measured in Newton) - Maximum force inside pressurized cylinder is the maximum load (force) inside the cylinder when the joint is on the verge of opening or the capacity of the cylinder to bear the load (N).
Stiffness of pressurized cylinder bolt - (Measured in Newton per Meter) - Stiffness of pressurized cylinder bolt is the extent to which the bolt resists deformation in response to an applied force.
Combined stiffness for gasket joint - (Measured in Newton per Meter) - Combined stiffness for gasket joint is the combined values of stiffness of cylinder cover, cylinder flange, and gasket.
STEP 1: Convert Input(s) to Base Unit
Maximum force inside pressurized cylinder: 25200 Newton --> 25200 Newton No Conversion Required
Stiffness of pressurized cylinder bolt: 1180 Kilonewton per Millimeter --> 1180000000 Newton per Meter (Check conversion ​here)
Combined stiffness for gasket joint: 4500 Kilonewton per Millimeter --> 4500000000 Newton per Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Pl = Pmax*(kb/(kc+kb)) --> 25200*(1180000000/(4500000000+1180000000))
Evaluating ... ...
Pl = 5235.21126760563
STEP 3: Convert Result to Output's Unit
5235.21126760563 Newton --> No Conversion Required
FINAL ANSWER
5235.21126760563 5235.211 Newton <-- Initial Preload Due to Bolt Tightening
(Calculation completed in 00.020 seconds)

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National Institute of Technology (NIT), Tiruchirapalli
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Bolt of Pressurized Cylinder Calculators

Thickness of Pressurized Cylinder
​ LaTeX ​ Go Thickness of pressurized cylinder wall = (Inner diameter of pressurized cylinder/2)*((((Permissible Tensile stress in pressurized cylinder+Internal pressure on cylinder)/(Permissible Tensile stress in pressurized cylinder-Internal pressure on cylinder))^(1/2))-1)
Internal Diameter of Pressurized Cylinder
​ LaTeX ​ Go Inner diameter of pressurized cylinder = 2*Thickness of pressurized cylinder wall/((((Permissible Tensile stress in pressurized cylinder+Internal pressure on cylinder)/(Permissible Tensile stress in pressurized cylinder-Internal pressure on cylinder))^(1/2))-1)
Resultant Load on Bolt given Pre load
​ LaTeX ​ Go Resultant load on pressurized cylinder bolt = Initial Preload Due to Bolt Tightening+Increase in Bolt Load of Cylinder
Decrease in Outer Diameter of Cylinder given Total deformation in Pressure Vessel
​ LaTeX ​ Go Decrease in Outer Diameter of Cylinder = Total Deformation of Pressure Vessel-Increase in Inner Diameter of Jacket

Initial Preload due to Bolt tightening given kb and kc Formula

​LaTeX ​Go
Initial Preload Due to Bolt Tightening = Maximum force inside pressurized cylinder*(Stiffness of pressurized cylinder bolt/(Combined stiffness for gasket joint+Stiffness of pressurized cylinder bolt))
Pl = Pmax*(kb/(kc+kb))

What is a Pressure Vessel?

A pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure.

How to Calculate Initial Preload due to Bolt tightening given kb and kc?

Initial Preload due to Bolt tightening given kb and kc calculator uses Initial Preload Due to Bolt Tightening = Maximum force inside pressurized cylinder*(Stiffness of pressurized cylinder bolt/(Combined stiffness for gasket joint+Stiffness of pressurized cylinder bolt)) to calculate the Initial Preload Due to Bolt Tightening, Initial Preload due to Bolt tightening given kb and kc formula is defined as the amount of load into the bolt before it is actually tightened. Initial Preload Due to Bolt Tightening is denoted by Pl symbol.

How to calculate Initial Preload due to Bolt tightening given kb and kc using this online calculator? To use this online calculator for Initial Preload due to Bolt tightening given kb and kc, enter Maximum force inside pressurized cylinder (Pmax), Stiffness of pressurized cylinder bolt (kb) & Combined stiffness for gasket joint (kc) and hit the calculate button. Here is how the Initial Preload due to Bolt tightening given kb and kc calculation can be explained with given input values -> 5235.211 = 25200*(1180000000/(4500000000+1180000000)).

FAQ

What is Initial Preload due to Bolt tightening given kb and kc?
Initial Preload due to Bolt tightening given kb and kc formula is defined as the amount of load into the bolt before it is actually tightened and is represented as Pl = Pmax*(kb/(kc+kb)) or Initial Preload Due to Bolt Tightening = Maximum force inside pressurized cylinder*(Stiffness of pressurized cylinder bolt/(Combined stiffness for gasket joint+Stiffness of pressurized cylinder bolt)). Maximum force inside pressurized cylinder is the maximum load (force) inside the cylinder when the joint is on the verge of opening or the capacity of the cylinder to bear the load (N), Stiffness of pressurized cylinder bolt is the extent to which the bolt resists deformation in response to an applied force & Combined stiffness for gasket joint is the combined values of stiffness of cylinder cover, cylinder flange, and gasket.
How to calculate Initial Preload due to Bolt tightening given kb and kc?
Initial Preload due to Bolt tightening given kb and kc formula is defined as the amount of load into the bolt before it is actually tightened is calculated using Initial Preload Due to Bolt Tightening = Maximum force inside pressurized cylinder*(Stiffness of pressurized cylinder bolt/(Combined stiffness for gasket joint+Stiffness of pressurized cylinder bolt)). To calculate Initial Preload due to Bolt tightening given kb and kc, you need Maximum force inside pressurized cylinder (Pmax), Stiffness of pressurized cylinder bolt (kb) & Combined stiffness for gasket joint (kc). With our tool, you need to enter the respective value for Maximum force inside pressurized cylinder, Stiffness of pressurized cylinder bolt & Combined stiffness for gasket joint and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Initial Preload Due to Bolt Tightening?
In this formula, Initial Preload Due to Bolt Tightening uses Maximum force inside pressurized cylinder, Stiffness of pressurized cylinder bolt & Combined stiffness for gasket joint. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Initial Preload Due to Bolt Tightening = Resultant load on pressurized cylinder bolt-Increase in Bolt Load of Cylinder
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