Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap Calculator

✖Inertia Force on Bolts of Connecting Rod is the force acting on the bolts of the connecting rod and cap joint due to the force on the piston head and its reciprocation.ⓘ Inertia Force on Bolts of Connecting Rod [P_i]			+10% -10%
✖Span Length of Big End Cap of a connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap.ⓘ Span Length of Big End Cap [l]			+10% -10%
✖Width of Big End Cap is the width of the big end cap of the connecting rod.ⓘ Width of Big End Cap [b_c]			+10% -10%
✖Bending Stress in Big End of Connecting Rod is the stress induced in the big end cap of a connecting rod when an external force or moment is applied to the element, causing the element to bend.ⓘ Bending Stress in Big End of Connecting Rod [σb_big]			+10% -10%

✖Thickness of Big End Cap is the thickness of the big end cap of the connecting rod.ⓘ Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap [t_c]

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Formula

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Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap

Formula

`"t"_{"c"} = sqrt("P"_{"i"}*"l"/("b"_{"c"}*"σb"_{"big"}))`

Example

`"12mm"=sqrt("8000N"*"80mm"/("76.62835mm"*"58N/mm²"))`

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Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap Solution

STEP 0: Pre-Calculation Summary

Formula Used

Thickness of Big End Cap = sqrt(Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Width of Big End Cap*Bending Stress in Big End of Connecting Rod))
t_c = sqrt(P_i*l/(b_c*σb_big))
This formula uses 1 Functions, 5 Variables

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Thickness of Big End Cap - (Measured in Meter) - Thickness of Big End Cap is the thickness of the big end cap of the connecting rod.
Inertia Force on Bolts of Connecting Rod - (Measured in Newton) - Inertia Force on Bolts of Connecting Rod is the force acting on the bolts of the connecting rod and cap joint due to the force on the piston head and its reciprocation.
Span Length of Big End Cap - (Measured in Meter) - Span Length of Big End Cap of a connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap.
Width of Big End Cap - (Measured in Meter) - Width of Big End Cap is the width of the big end cap of the connecting rod.
Bending Stress in Big End of Connecting Rod - (Measured in Pascal) - Bending Stress in Big End of Connecting Rod is the stress induced in the big end cap of a connecting rod when an external force or moment is applied to the element, causing the element to bend.

STEP 1: Convert Input(s) to Base Unit

Inertia Force on Bolts of Connecting Rod: 8000 Newton --> 8000 Newton No Conversion Required
Span Length of Big End Cap: 80 Millimeter --> 0.08 Meter (Check conversion here)
Width of Big End Cap: 76.62835 Millimeter --> 0.07662835 Meter (Check conversion here)
Bending Stress in Big End of Connecting Rod: 58 Newton per Square Millimeter --> 58000000 Pascal (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

t_c = sqrt(P_i*l/(b_c*σb_big)) --> sqrt(8000*0.08/(0.07662835*58000000))

Evaluating ... ...

t_c = 0.012000000195

STEP 3: Convert Result to Output's Unit

0.012000000195 Meter -->12.000000195 Millimeter (Check conversion here)

FINAL ANSWER

12.000000195 ≈ 12 Millimeter <-- Thickness of Big End Cap

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Connecting Rod » Big End Cap and Bolt » Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

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< 11 Big End Cap and Bolt Calculators

Inertia Force on Bolts of Connecting Rod

Go Inertia Force on Bolts of Connected Rod = Mass of Reciprocating Parts in Engine Cylinder*Angular Velocity of Crank^2*Crank Radius of Engine*(cos(Crank Angle)+cos(2*Crank Angle)/Ratio of Length of Connecting Rod to Crank Length)

Maximum Inertia Force on Bolts of Connecting Rod

Go Maximum Inertia Force on Bolts of Connecting Rod = Mass of Reciprocating Parts in Engine Cylinder*Angular Velocity of Crank^2*Crank Radius of Engine*(1+1/Ratio of Length of Connecting Rod to Crank Length)

Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap

Go Thickness of Big End Cap = sqrt(Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Width of Big End Cap*Bending Stress in Big End of Connecting Rod))

Maximum Bending Moment on Connecting Rod

Go Bending Moment on Connecting Rod = Mass of Connecting Rod*Angular Velocity of Crank^2*Crank Radius of Engine*Length of The Connecting Rod/(9*sqrt(3))

Width of Big End Cap of Connecting Rod given Bending Stress in Cap

Go Width of Big End Cap = Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Thickness of Big End Cap^2*Bending Stress in Big End of Connecting Rod)

Maximum Bending Stress in Big End Cap of Connecting Rod

Go Bending Stress in Big End of Connecting Rod = Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Thickness of Big End Cap^2*Width of Big End Cap)

Core Diameter of Bolts of Big End Cap of Connecting Rod

Go Core Diameter of Big End Bolt = sqrt(2*Inertia Force on Bolts of Connecting Rod/(pi*Permissible Tensile Stress))

Mass of Connecting Rod

Go Mass of Connected Rod = Cross Sectional Area of Connecting Rod*Density of Connecting Rod Material*Length of The Connecting Rod

Span Length of Big End Cap of Connecting Rod

Go Span Length of Big End Cap = Density of Connecting Rod Material+2*Thickness of Bush+Nominal Bolt Diameter+0.003

Maximum Inertia Force on Bolts of Connecting Rod given Permissible Tensile Stress of Bolts

Go Inertia Force on Bolts of Connecting Rod = pi*Core Diameter of Big End Bolt^2*Permissible Tensile Stress/2

Bending Moment on Big End Cap of Connecting Rod

Go Bending Moment on Big End of Connecting Rod = Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/6

Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap Formula

Thickness of Big End Cap = sqrt(Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Width of Big End Cap*Bending Stress in Big End of Connecting Rod))
t_c = sqrt(P_i*l/(b_c*σb_big))

Determination of thickness of cap

The thickness of the big end cap (tc) may be determined by treating the cap as a beam freely supported at the cap bolt centers and loaded by the inertia force at the top dead center on the exhaust stroke. This load is assumed to act in between the uniformly distributed load and the centrally concentrated load

How to Calculate Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap?

Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap calculator uses Thickness of Big End Cap = sqrt(Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Width of Big End Cap*Bending Stress in Big End of Connecting Rod)) to calculate the Thickness of Big End Cap, Thickness of big end cap of connecting rod given bending stress in cap is the thickness of the big end cap of the connecting rod. Thickness of Big End Cap is denoted by t_c symbol.

How to calculate Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap using this online calculator? To use this online calculator for Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap, enter Inertia Force on Bolts of Connecting Rod (P_i), Span Length of Big End Cap (l), Width of Big End Cap (b_c) & Bending Stress in Big End of Connecting Rod (σb_big) and hit the calculate button. Here is how the Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap calculation can be explained with given input values -> 12049.5 = sqrt(8000*0.08/(0.07662835*58000000)).

FAQ

What is Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap?

Thickness of big end cap of connecting rod given bending stress in cap is the thickness of the big end cap of the connecting rod and is represented as t_c = sqrt(P_i*l/(b_c*σb_big)) or Thickness of Big End Cap = sqrt(Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Width of Big End Cap*Bending Stress in Big End of Connecting Rod)). Inertia Force on Bolts of Connecting Rod is the force acting on the bolts of the connecting rod and cap joint due to the force on the piston head and its reciprocation, Span Length of Big End Cap of a connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap, Width of Big End Cap is the width of the big end cap of the connecting rod & Bending Stress in Big End of Connecting Rod is the stress induced in the big end cap of a connecting rod when an external force or moment is applied to the element, causing the element to bend.

How to calculate Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap?

Thickness of big end cap of connecting rod given bending stress in cap is the thickness of the big end cap of the connecting rod is calculated using Thickness of Big End Cap = sqrt(Inertia Force on Bolts of Connecting Rod*Span Length of Big End Cap/(Width of Big End Cap*Bending Stress in Big End of Connecting Rod)). To calculate Thickness of Big End Cap of Connecting Rod given Bending Stress in Cap, you need Inertia Force on Bolts of Connecting Rod (P_i), Span Length of Big End Cap (l), Width of Big End Cap (b_c) & Bending Stress in Big End of Connecting Rod (σb_big). With our tool, you need to enter the respective value for Inertia Force on Bolts of Connecting Rod, Span Length of Big End Cap, Width of Big End Cap & Bending Stress in Big End of Connecting Rod 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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