Maximum Bending Moment on Piston Pin Calculator

✖Force on Piston is the force due to the combustion of gases onto the top of a piston head.ⓘ Force on Piston [F_P]			+10% -10%
✖Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.ⓘ Diameter of Cylinder Bore [D_i]			+10% -10%

✖Bending Moment is the reaction induced in a structural element when an external force or moment is applied to the element, causing the element to bend.ⓘ Maximum Bending Moment on Piston Pin [M_b]

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Formula

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Maximum Bending Moment on Piston Pin

Formula

`"M"_{"b"} = "F"_{"P"}*"D"_{"i"}/8`

Example

`"3.2E^6N*mm"="144kN"*"180mm"/8`

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Maximum Bending Moment on Piston Pin Solution

STEP 0: Pre-Calculation Summary

Formula Used

Bending Moment = Force on Piston*Diameter of Cylinder Bore/8
M_b = F_P*D_i/8
This formula uses 3 Variables

Variables Used

Bending Moment - (Measured in Newton Meter) - Bending Moment is the reaction induced in a structural element when an external force or moment is applied to the element, causing the element to bend.
Force on Piston - (Measured in Newton) - Force on Piston is the force due to the combustion of gases onto the top of a piston head.
Diameter of Cylinder Bore - (Measured in Meter) - Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.

STEP 1: Convert Input(s) to Base Unit

Force on Piston: 144 Kilonewton --> 144000 Newton (Check conversion here)
Diameter of Cylinder Bore: 180 Millimeter --> 0.18 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

M_b = F_P*D_i/8 --> 144000*0.18/8

Evaluating ... ...

M_b = 3240

STEP 3: Convert Result to Output's Unit

3240 Newton Meter -->3240000 Newton Millimeter (Check conversion here)

FINAL ANSWER

3240000 ≈ 3.2E+6 Newton Millimeter <-- Bending Moment

(Calculation completed in 00.004 seconds)

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Credits

Created by Saurabh Patil

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

Saurabh Patil has created this Calculator and 700+ more calculators!

Verified by Ravi Khiyani

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

Ravi Khiyani has verified this Calculator and 300+ more calculators!

< 10+ Piston Pin Calculators

Maximum Bending Stress in Piston Pin

Go Maximum Bending Stress in Piston Pin = 4*Force on Piston*Diameter of Cylinder Bore*Outer Diameter of Piston Pin/(pi*(Outer Diameter of Piston Pin^4-Inner Diameter of Piston Pin^4))

Outer Diameter of Piston Pin

Go Outer Diameter of Piston Pin = pi*Diameter of Cylinder Bore^2*Maximum Gas Pressure inside Cylinder/(4*Bearing Pressure of CrankPin Bush*Length of Piston Pin in Connecting Rod)

Resisting Bearing Force by Piston Pin

Go Resistive Force by Piston Pin = Bearing Pressure of CrankPin Bush*Outer Diameter of Piston Pin*Length of Piston Pin in Connecting Rod

Area Moment of Inertia for Piston Pin Cross Section

Go Area Moment of Inertia = pi*(Outer Diameter of Piston Pin^4-Inner Diameter of Piston Pin^4)/64

Maximum Bending Moment on Piston Pin

Go Bending Moment = Force on Piston*Diameter of Cylinder Bore/8

Length of Piston Pin used in Connecting Rod

Go Length of Piston Pin in Connecting Rod = 0.45*Diameter of Cylinder Bore

Mean Diameter of Piston Bosses for Aluminium Alloy Piston

Go Mean Diameter of Piston Bosses = 1.5*Outer Diameter of Piston Pin

Mean Diameter of Piston Bosses for Grey Cast Iron Piston

Go Mean Diameter of Piston Bosses = 1.4*Outer Diameter of Piston Pin

Outer Diameter of Piston Pin given its Inner Diameter

Go Outer Diameter of Piston Pin = Inner Diameter of Piston Pin/0.6

Inner Diameter of Piston Pin

Go Inner Diameter of Piston Pin = 0.6*Outer Diameter of Piston Pin

Maximum Bending Moment on Piston Pin Formula

Bending Moment = Force on Piston*Diameter of Cylinder Bore/8
M_b = F_P*D_i/8

Bending Moment

In solid mechanics, a bending moment is the reaction induced in a structural element when an external force or moment is applied to the element, causing the element to bend. The most common or simplest structural element subjected to bending moments is the beam.

How to Calculate Maximum Bending Moment on Piston Pin?

Maximum Bending Moment on Piston Pin calculator uses Bending Moment = Force on Piston*Diameter of Cylinder Bore/8 to calculate the Bending Moment, Maximum bending moment on piston pin is the maximum bending moment onto the piston pin developed in its central plane due to gas force on piston head. Bending Moment is denoted by M_b symbol.

How to calculate Maximum Bending Moment on Piston Pin using this online calculator? To use this online calculator for Maximum Bending Moment on Piston Pin, enter Force on Piston (F_P) & Diameter of Cylinder Bore (D_i) and hit the calculate button. Here is how the Maximum Bending Moment on Piston Pin calculation can be explained with given input values -> 3.6E+9 = 144000*0.18/8.

FAQ

What is Maximum Bending Moment on Piston Pin?

Maximum bending moment on piston pin is the maximum bending moment onto the piston pin developed in its central plane due to gas force on piston head and is represented as M_b = F_P*D_i/8 or Bending Moment = Force on Piston*Diameter of Cylinder Bore/8. Force on Piston is the force due to the combustion of gases onto the top of a piston head & Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.

How to calculate Maximum Bending Moment on Piston Pin?

Maximum bending moment on piston pin is the maximum bending moment onto the piston pin developed in its central plane due to gas force on piston head is calculated using Bending Moment = Force on Piston*Diameter of Cylinder Bore/8. To calculate Maximum Bending Moment on Piston Pin, you need Force on Piston (F_P) & Diameter of Cylinder Bore (D_i). With our tool, you need to enter the respective value for Force on Piston & Diameter of Cylinder Bore 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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