Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque Calculator

✖Tangential Force at Crank Pin is the component of thrust force on connecting rod acting at the crankpin in the direction tangential to the connecting rod.ⓘ Tangential Force at Crank Pin [P_t]			+10% -10%
✖Distance between crank pin and crankshaft is the perpendicular distance between the crank pin and the crankshaft.ⓘ Distance Between Crank Pin and Crankshaft [r]			+10% -10%
✖Diameter of Crankshaft at Crankweb Joint is the diameter of the crankshaft at the juncture of the crank web and the crankshaft.ⓘ Diameter of Crankshaft at Crankweb Joint [d_s1]			+10% -10%

✖Bending Moment in Crankweb due to tangential force is the bending moment in the crankweb due to the tangential component of force on connecting rod at crank pin.ⓘ Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque [M_bt]

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Formula

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Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque

Formula

`("M"_{"b"}"t") = "P"_{"t"}*("r"-("d"_{"s1"}/2))`

Example

`"56333.33N*mm"="8000N"*("42.04166625mm"-("70mm"/2))`

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Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque Solution

STEP 0: Pre-Calculation Summary

Formula Used

Bending Moment in Crankweb due to Tangential Force = Tangential Force at Crank Pin*(Distance Between Crank Pin and Crankshaft-(Diameter of Crankshaft at Crankweb Joint/2))
M_bt = P_t*(r-(d_s1/2))
This formula uses 4 Variables

Variables Used

Bending Moment in Crankweb due to Tangential Force - (Measured in Newton Meter) - Bending Moment in Crankweb due to tangential force is the bending moment in the crankweb due to the tangential component of force on connecting rod at crank pin.
Tangential Force at Crank Pin - (Measured in Newton) - Tangential Force at Crank Pin is the component of thrust force on connecting rod acting at the crankpin in the direction tangential to the connecting rod.
Distance Between Crank Pin and Crankshaft - (Measured in Meter) - Distance between crank pin and crankshaft is the perpendicular distance between the crank pin and the crankshaft.
Diameter of Crankshaft at Crankweb Joint - (Measured in Meter) - Diameter of Crankshaft at Crankweb Joint is the diameter of the crankshaft at the juncture of the crank web and the crankshaft.

STEP 1: Convert Input(s) to Base Unit

Tangential Force at Crank Pin: 8000 Newton --> 8000 Newton No Conversion Required
Distance Between Crank Pin and Crankshaft: 42.04166625 Millimeter --> 0.04204166625 Meter (Check conversion here)
Diameter of Crankshaft at Crankweb Joint: 70 Millimeter --> 0.07 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

M_bt = P_t*(r-(d_s1/2)) --> 8000*(0.04204166625-(0.07/2))

Evaluating ... ...

M_bt = 56.33333

STEP 3: Convert Result to Output's Unit

56.33333 Newton Meter -->56333.33 Newton Millimeter (Check conversion here)

FINAL ANSWER

56333.33 Newton Millimeter <-- Bending Moment in Crankweb due to Tangential Force

(Calculation completed in 00.020 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Crankshaft » Design of Centre Crankshaft » Design of Crank Web at Angle of Maximum Torque » Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque

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< 20 Design of Crank Web at Angle of Maximum Torque Calculators

Maximum compressive stress in crankweb of centre crankshaft for max torque given crankweb dimensions

Go Maximum Compressive Stress in Crank Web = (6*Bending Moment in Crankweb due to Radial Force)/(Thickness of Crank Web^2*Width of Crank Web)+(6*Bending Moment in Crankweb due to Tangential Force)/(Thickness of Crank Web*Width of Crank Web^2)+(Radial Force at Crank Pin/(2*Width of Crank Web*Thickness of Crank Web))

Shear stress in crankweb of centre crankshaft for max torque given reaction on bearing1

Go Shear Stress in Crankweb = (4.5/(Width of Crank Web*Thickness of Crank Web^2))*((Horizontal Force at Bearing1 by Tangential Force*(Centre Crankshaft Bearing1 Gap from CrankPinCentre+(Length of Crank Pin/2)))-(Tangential Force at Crank Pin*(Length of Crank Pin/2)))

Torsional moment in crankweb of centre crankshaft for max torque given reaction on bearing1

Go Torsional Moment in Crankweb = (Horizontal Force at Bearing1 by Tangential Force*(Centre Crankshaft Bearing1 Gap from CrankPinCentre+(Length of Crank Pin/2)))-(Tangential Force at Crank Pin*(Length of Crank Pin/2))

Shear stress in crankweb of centre crankshaft for max torque given reaction on bearing2

Go Shear Stress in Crankweb = (4.5/(Width of Crank Web*Thickness of Crank Web^2))*(Horizontal Force at Bearing2 by Tangential Force*(Centre Crankshaft Bearing2 Gap from CrankPinCentre-(Length of Crank Pin/2)))

Bending moment in crankweb of centre crankshaft due to radial thrust for maximum torque

Go Bending Moment in Crankweb due to Radial Force = Vertical Reaction at Bearing 2 due to Radial Force*(Centre Crankshaft Bearing2 Gap from CrankPinCentre-(Length of Crank Pin/2)-(Thickness of Crank Web/2))

Maximum compressive stress in crankweb of centre crankshaft for max torque given direct stress

Go Maximum Compressive Stress in Crank Web = (Direct Compressive Stress in crankweb/2)+((sqrt((Direct Compressive Stress in crankweb^2)+(4*Shear Stress in Crankweb^2)))/2)

Maximum compressive stress in crankweb of centre crankshaft for max torque

Go Maximum Compressive Stress in Crank Web = Direct Compressive Stress in crankweb+Bending Stress in Crankweb due to Radial Force+Bending Stress in Crankweb due to Tangential Force

Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque

Go Bending Moment in Crankweb due to Tangential Force = Tangential Force at Crank Pin*(Distance Between Crank Pin and Crankshaft-(Diameter of Crankshaft at Crankweb Joint/2))

Torsional moment in crankweb of centre crankshaft for max torque given reaction on bearing2

Go Torsional Moment in Crankweb = (Horizontal Force at Bearing2 by Tangential Force*(Centre Crankshaft Bearing2 Gap from CrankPinCentre-(Length of Crank Pin/2)))

Bending stress in crankweb of centre crankshaft due to tangential thrust for max torque given moment

Go Bending Stress in Crankweb due to Tangential Force = (6*Bending Moment in Crankweb due to Tangential Force)/(Thickness of Crank Web*Width of Crank Web^2)

Bending moment in crankweb of centre crankshaft due to tangential thrust for max torque given stress

Go Bending Moment in Crankweb due to Tangential Force = (Bending Stress in Crankweb due to Tangential Force*Thickness of Crank Web*Width of Crank Web^2)/6

Bending stress in crankweb of centre crankshaft due to radial thrust for max torque given moment

Go Bending Stress in Crankweb due to Radial Force = (6*Bending Moment in Crankweb due to Radial Force)/(Thickness of Crank Web^2*Width of Crank Web)

Bending moment in crankweb of centre crankshaft due to radial thrust for max torque given stress

Go Bending Moment in Crankweb due to Radial Force = (Bending Stress in Crankweb due to Radial Force*Width of Crank Web*Thickness of Crank Web^2)/6

Direct compressive stress in crankweb of centre crankshaft due to radial thrust for max torque

Go Direct Compressive Stress in crankweb = Radial Force at Crank Pin/(2*Width of Crank Web*Thickness of Crank Web)

Shear stress in crankweb of centre crankshaft for max torque given torsional moment

Go Shear Stress in Crankweb = (4.5*Torsional Moment in Crankweb)/(Width of Crank Web*Thickness of Crank Web^2)

Torsional moment in crankweb of centre crankshaft for max torque given shear stress

Go Torsional Moment in Crankweb = (Shear Stress in Crankweb*Width of Crank Web*Thickness of Crank Web^2)/4.5

Torsional moment in crankweb of centre crankshaft for max torque given polar section modulus

Go Torsional Moment in Crankweb = Shear Stress in Crankweb*Polar Section Modulus of Crankweb

Shear stress in crankweb of centre crankshaft for max torque given polar section modulus

Go Shear Stress in Crankweb = Torsional Moment in Crankweb/Polar Section Modulus of Crankweb

Polar section modulus of crankweb of centre crankshaft for max torque

Go Polar Section Modulus of Crankweb = (Width of Crank Web*Thickness of Crank Web^2)/4.5

Section modulus of crankweb of centre crankshaft for max torque

Go Section Modulus of Crankweb = (Width of Crank Web*Thickness of Crank Web^2)/6

Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque Formula

Bending Moment in Crankweb due to Tangential Force = Tangential Force at Crank Pin*(Distance Between Crank Pin and Crankshaft-(Diameter of Crankshaft at Crankweb Joint/2))
M_bt = P_t*(r-(d_s1/2))

Stresses in Right hand Crankweb

The right-hand crank web is subjected to the following stresses:
(i) Bending stresses in the vertical and horizontal planes due to radial component and tangential component respectively.
(ii) Direct compressive stress due to radial component.
(iii) Torsional shear stresses.

Design of Left hand Crankweb

The left-hand crank web is not severely stressed to the extent of the right-hand crank web. Therefore, it is not necessary to check the stresses in the left-hand crank web. The thickness and width of the left-hand crank web are made equal to that of the right-hand crank web from balancing consideration.

How to Calculate Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque?

Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque calculator uses Bending Moment in Crankweb due to Tangential Force = Tangential Force at Crank Pin*(Distance Between Crank Pin and Crankshaft-(Diameter of Crankshaft at Crankweb Joint/2)) to calculate the Bending Moment in Crankweb due to Tangential Force, Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque is the amount of bending moment in the right-hand crankweb of a centre crankshaft when it is designed for the maximum torsional moment. Bending Moment in Crankweb due to Tangential Force is denoted by M_bt symbol.

How to calculate Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque using this online calculator? To use this online calculator for Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque, enter Tangential Force at Crank Pin (P_t), Distance Between Crank Pin and Crankshaft (r) & Diameter of Crankshaft at Crankweb Joint (d_s1) and hit the calculate button. Here is how the Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque calculation can be explained with given input values -> 5.6E+7 = 8000*(0.04204166625-(0.07/2)).

FAQ

What is Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque?

Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque is the amount of bending moment in the right-hand crankweb of a centre crankshaft when it is designed for the maximum torsional moment and is represented as M_bt = P_t*(r-(d_s1/2)) or Bending Moment in Crankweb due to Tangential Force = Tangential Force at Crank Pin*(Distance Between Crank Pin and Crankshaft-(Diameter of Crankshaft at Crankweb Joint/2)). Tangential Force at Crank Pin is the component of thrust force on connecting rod acting at the crankpin in the direction tangential to the connecting rod, Distance between crank pin and crankshaft is the perpendicular distance between the crank pin and the crankshaft & Diameter of Crankshaft at Crankweb Joint is the diameter of the crankshaft at the juncture of the crank web and the crankshaft.

How to calculate Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque?

Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque is the amount of bending moment in the right-hand crankweb of a centre crankshaft when it is designed for the maximum torsional moment is calculated using Bending Moment in Crankweb due to Tangential Force = Tangential Force at Crank Pin*(Distance Between Crank Pin and Crankshaft-(Diameter of Crankshaft at Crankweb Joint/2)). To calculate Bending moment in crankweb of centre crankshaft due to tangential thrust for maximum torque, you need Tangential Force at Crank Pin (P_t), Distance Between Crank Pin and Crankshaft (r) & Diameter of Crankshaft at Crankweb Joint (d_s1). With our tool, you need to enter the respective value for Tangential Force at Crank Pin, Distance Between Crank Pin and Crankshaft & Diameter of Crankshaft at Crankweb 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 Bending Moment in Crankweb due to Tangential Force?

In this formula, Bending Moment in Crankweb due to Tangential Force uses Tangential Force at Crank Pin, Distance Between Crank Pin and Crankshaft & Diameter of Crankshaft at Crankweb Joint. We can use 1 other way(s) to calculate the same, which is/are as follows -

Bending Moment in Crankweb due to Tangential Force = (Bending Stress in Crankweb due to Tangential Force*Thickness of Crank Web*Width of Crank Web^2)/6

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