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Shear stress in central plane of crank pin is the amount of shear stress (causes deformation by slippage along plane parallel to the imposed stress) at the central plane of the crank pin. Check FAQs
τ=(16πdc3)(Rv1b1)2+(Rh1r)2
τ - Shear Stress in Central Plane of Crank Pin?dc - Diameter of Crank Pin?Rv1 - Vertical Reaction at Bearing 1 due to Radial Force?b1 - Centre Crankshaft Bearing1 Gap from CrankPinCentre?Rh1 - Horizontal Force at Bearing1 by Tangential Force?r - Distance Between Crankpin and Crankshaft?π - Archimedes' constant?

Shear stress in crankpin of centre crankshaft for max torque Example

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Here is how the Shear stress in crankpin of centre crankshaft for max torque equation looks like with Values.

Here is how the Shear stress in crankpin of centre crankshaft for max torque equation looks like with Units.

Here is how the Shear stress in crankpin of centre crankshaft for max torque equation looks like.

19.9769Edit=(163.141650Edit3)(1000Edit100.01Edit)2+(6000Edit80Edit)2
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Shear stress in crankpin of centre crankshaft for max torque Solution

Follow our step by step solution on how to calculate Shear stress in crankpin of centre crankshaft for max torque?

FIRST Step Consider the formula
τ=(16πdc3)(Rv1b1)2+(Rh1r)2
Next Step Substitute values of Variables
τ=(16π50mm3)(1000N100.01mm)2+(6000N80mm)2
Next Step Substitute values of Constants
τ=(163.141650mm3)(1000N100.01mm)2+(6000N80mm)2
Next Step Convert Units
τ=(163.14160.05m3)(1000N0.1m)2+(6000N0.08m)2
Next Step Prepare to Evaluate
τ=(163.14160.053)(10000.1)2+(60000.08)2
Next Step Evaluate
τ=19976947.820894Pa
Next Step Convert to Output's Unit
τ=19.976947820894N/mm²
LAST Step Rounding Answer
τ=19.9769N/mm²

Shear stress in crankpin of centre crankshaft for max torque Formula Elements

Variables
Constants
Functions
Shear Stress in Central Plane of Crank Pin
Shear stress in central plane of crank pin is the amount of shear stress (causes deformation by slippage along plane parallel to the imposed stress) at the central plane of the crank pin.
Symbol: τ
Measurement: StressUnit: N/mm²
Note: Value should be greater than 0.
Diameter of Crank Pin
Diameter of crank pin is the diameter of the crank pin used in connecting the connecting rod with the crank.
Symbol: dc
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Vertical Reaction at Bearing 1 due to Radial Force
Vertical Reaction at Bearing 1 due to Radial Force is the vertical reaction force on the 1st bearing of the crankshaft because of the radial component of thrust force acting on connecting rod.
Symbol: Rv1
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Centre Crankshaft Bearing1 Gap from CrankPinCentre
Centre Crankshaft Bearing1 Gap from CrankPinCentre is the distance between the 1st bearing of a centre crankshaft and the line of action of force on the crank pin.
Symbol: b1
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Horizontal Force at Bearing1 by Tangential Force
Horizontal Force at Bearing1 by Tangential Force is the horizontal reaction force on the 1st bearing of crankshaft because of the tangential component of thrust force acting on connecting rod.
Symbol: Rh1
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Distance Between Crankpin and Crankshaft
Distance between crankpin and crankshaft is the perpendicular distance between the crank pin and the crankshaft.
Symbol: r
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
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.
Syntax: sqrt(Number)

Other Formulas to find Shear Stress in Central Plane of Crank Pin

​Go Shear stress in crankpin of centre crankshaft for max torque given bending and torsional moment
τ=16πdc3(Mb2)+(Mt2)

Other formulas in Design of Crank Pin at Angle of Maximum Torque category

​Go Torsional moment at central plane of crank pin of centre crankshaft at max torque
Mt=Rh1r
​Go Bending moment at central plane of crank pin of centre crankshaft at max torque
Mb=Rv1b1
​Go Diameter of crank pin of centre crankshaft for max torque given bending and torsional moment
dc=(16πτ(Mb2)+(Mt2))13
​Go Diameter of crank pin of centre crankshaft for max torque
dc=((16πτ)(Rv1b1)2+(Rh1r)2)13

How to Evaluate Shear stress in crankpin of centre crankshaft for max torque?

Shear stress in crankpin of centre crankshaft for max torque evaluator uses Shear Stress in Central Plane of Crank Pin = (16/(pi*Diameter of Crank Pin^3))*sqrt((Vertical Reaction at Bearing 1 due to Radial Force*Centre Crankshaft Bearing1 Gap from CrankPinCentre)^2+(Horizontal Force at Bearing1 by Tangential Force*Distance Between Crankpin and Crankshaft)^2) to evaluate the Shear Stress in Central Plane of Crank Pin, The Shear stress in crankpin of centre crankshaft for max torque is the amount of shear stress in the crankpin used in the assembly of connecting rod with the crank when the centre crankshaft is designed for the maximum torsional moment. Shear Stress in Central Plane of Crank Pin is denoted by τ symbol.

How to evaluate Shear stress in crankpin of centre crankshaft for max torque using this online evaluator? To use this online evaluator for Shear stress in crankpin of centre crankshaft for max torque, enter Diameter of Crank Pin (dc), Vertical Reaction at Bearing 1 due to Radial Force (Rv1), Centre Crankshaft Bearing1 Gap from CrankPinCentre (b1), Horizontal Force at Bearing1 by Tangential Force (Rh1) & Distance Between Crankpin and Crankshaft (r) and hit the calculate button.

FAQs on Shear stress in crankpin of centre crankshaft for max torque

What is the formula to find Shear stress in crankpin of centre crankshaft for max torque?
The formula of Shear stress in crankpin of centre crankshaft for max torque is expressed as Shear Stress in Central Plane of Crank Pin = (16/(pi*Diameter of Crank Pin^3))*sqrt((Vertical Reaction at Bearing 1 due to Radial Force*Centre Crankshaft Bearing1 Gap from CrankPinCentre)^2+(Horizontal Force at Bearing1 by Tangential Force*Distance Between Crankpin and Crankshaft)^2). Here is an example- 2E-5 = (16/(pi*0.05^3))*sqrt((1000*0.10001)^2+(6000*0.08)^2).
How to calculate Shear stress in crankpin of centre crankshaft for max torque?
With Diameter of Crank Pin (dc), Vertical Reaction at Bearing 1 due to Radial Force (Rv1), Centre Crankshaft Bearing1 Gap from CrankPinCentre (b1), Horizontal Force at Bearing1 by Tangential Force (Rh1) & Distance Between Crankpin and Crankshaft (r) we can find Shear stress in crankpin of centre crankshaft for max torque using the formula - Shear Stress in Central Plane of Crank Pin = (16/(pi*Diameter of Crank Pin^3))*sqrt((Vertical Reaction at Bearing 1 due to Radial Force*Centre Crankshaft Bearing1 Gap from CrankPinCentre)^2+(Horizontal Force at Bearing1 by Tangential Force*Distance Between Crankpin and Crankshaft)^2). This formula also uses Archimedes' constant and Square Root (sqrt) function(s).
What are the other ways to Calculate Shear Stress in Central Plane of Crank Pin?
Here are the different ways to Calculate Shear Stress in Central Plane of Crank Pin-
  • Shear Stress in Central Plane of Crank Pin=16/(pi*Diameter of Crank Pin^3)*sqrt((Bending Moment at Central Plane of Crankpin^2)+(Torsional Moment at central plane of crankpin^2))OpenImg
Can the Shear stress in crankpin of centre crankshaft for max torque be negative?
No, the Shear stress in crankpin of centre crankshaft for max torque, measured in Stress cannot be negative.
Which unit is used to measure Shear stress in crankpin of centre crankshaft for max torque?
Shear stress in crankpin of centre crankshaft for max torque is usually measured using the Newton per Square Millimeter[N/mm²] for Stress. Pascal[N/mm²], Newton per Square Meter[N/mm²], Kilonewton per Square Meter[N/mm²] are the few other units in which Shear stress in crankpin of centre crankshaft for max torque can be measured.
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