Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment Calculator

✖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%
✖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 due to Tangential Force [M_bt]			+10% -10%
✖Tangential force on crank pin is the component of thrust force on connecting rod acting on the crankpin in the direction tangential to the connecting rod.ⓘ Tangential Force on Crank Pin [P_t]			+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 centre crankshaft at juncture of right crankweb for max torque given crankweb moment [d_s1]

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Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment

Formula

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

Example

`"60mm"=2*(("80mm")-("400000N*mm"/"8000N"))`

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Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

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.
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.
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 on Crank Pin - (Measured in Newton) - Tangential force on crank pin is the component of thrust force on connecting rod acting on the crankpin in the direction tangential to the connecting rod.

STEP 1: Convert Input(s) to Base Unit

Distance Between Crank Pin and Crankshaft: 80 Millimeter --> 0.08 Meter (Check conversion here)
Bending Moment in Crankweb due to Tangential Force: 400000 Newton Millimeter --> 400 Newton Meter (Check conversion here)
Tangential Force on Crank Pin: 8000 Newton --> 8000 Newton No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

d_s1 = 2*((r)-(M_bt/P_t)) --> 2*((0.08)-(400/8000))

Evaluating ... ...

d_s1 = 0.06

STEP 3: Convert Result to Output's Unit

0.06 Meter -->60 Millimeter (Check conversion here)

FINAL ANSWER

60 Millimeter <-- Diameter of Crankshaft at Crankweb Joint

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Crankshaft » Design of Centre Crankshaft » Design of Shaft at Juncture of Crank Web at Angle of Maximum Torque » Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment

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< 7 Design of Shaft at Juncture of Crank Web at Angle of Maximum Torque Calculators

Bending moment in horizontal plane of centre crankshaft at juncture of right crankweb for max torque

Go Horizontal Bending Moment at Right Crank web Joint = Horizontal Force at Bearing 1 by Tangential Force*(Distance from Bearing 1 to Center of Crank Pin+(Length of Crank Pin/2)+(Thickness of Crank Web/2))-Tangential Force on Crank Pin*((Length of Crank Pin/2)+(Thickness of Crank Web/2))

Bending moment in vertical plane of centre crankshaft at juncture of right crankweb for max torque

Go Vertical Bending Moment at Crank web Joint = (Vertical Reaction at Bearing 1 due to Radial Force*(Distance from Bearing 1 to Center of Crank Pin+(Length of Crank Pin/2)+(Thickness of Crank Web/2)))-(Radial Force at Crank Pin*((Length of Crank Pin/2)+(Thickness of Crank Web/2)))

Diameter of centre crankshaft at juncture of right crankweb for max torque given moments

Go Diameter of Crankshaft at Crankweb Joint = ((16/(pi*Shear Stress in Shaft at Crankweb Joint))*sqrt((Resultant Bending Moment at Crankweb Joint^2)+(Torsional Moment at Crankweb Joint^2)))^(1/3)

Shear stress in centre crankshaft at juncture of right crankweb for maximum torque

Go Shear Stress in Shaft at Crankweb Joint = (16/(pi*Diameter of Crankshaft at Crankweb Joint^3))*sqrt((Resultant Bending Moment at Crankweb Joint^2)+(Torsional Moment at Crankweb Joint^2))

Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment

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

Resultant bending moment in centre crankshaft at juncture of right crankweb for maximum torque

Go Resultant Bending Moment at Crankweb Joint = sqrt((Vertical Bending Moment at Crank web Joint^2)+(Horizontal Bending Moment at Right Crank web Joint^2))

Torsional moment in centre crankshaft at juncture of right crankweb for maximum torque

Go Torsional Moment at Crankweb Joint = Tangential Force on Crank Pin*Distance Between Crank Pin and Crankshaft

Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment Formula

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

What is a Crankshaft?

The Crankshaft of an engine is mechanical equipment whose main function is to convert the Linear motion of the Piston to Rotational Motion. The reciprocating motion of the piston is transferred to the crankshaft through Connecting Rod. A crankshaft has crankpins, crank webs, balancing weights, and main journals. The big end of the connecting rod is connected to the crankpin of the crankshaft.
In a 4 stroke engine, one complete rotation of the crankshaft takes place in two strokes of the piston. A crankshaft has the following main parts :
1. Crankpin
2. Main Journals
3. Crank Web
4. Counterweights
5. Thrust Washers
6. Oil passage & Oil Seals
7. Flywheel Mounting Flange

How to Calculate Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment?

Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment calculator uses Diameter of Crankshaft at Crankweb Joint = 2*((Distance Between Crank Pin and Crankshaft)-(Bending Moment in Crankweb due to Tangential Force/Tangential Force on Crank Pin)) to calculate the Diameter of Crankshaft at Crankweb Joint, Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment is the diameter of the centre crankshaft at the juncture of the right crank web and the crankshaft when the crankshaft is designed for the maximum torsional moment. Diameter of Crankshaft at Crankweb Joint is denoted by d_s1 symbol.

How to calculate Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment using this online calculator? To use this online calculator for Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment, enter Distance Between Crank Pin and Crankshaft (r), Bending Moment in Crankweb due to Tangential Force (M_bt) & Tangential Force on Crank Pin (P_t) and hit the calculate button. Here is how the Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment calculation can be explained with given input values -> 60000 = 2*((0.08)-(400/8000)).

FAQ

What is Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment?

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

How to calculate Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment?

Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment is the diameter of the centre crankshaft at the juncture of the right crank web and the crankshaft when the crankshaft is designed for the maximum torsional moment is calculated using Diameter of Crankshaft at Crankweb Joint = 2*((Distance Between Crank Pin and Crankshaft)-(Bending Moment in Crankweb due to Tangential Force/Tangential Force on Crank Pin)). To calculate Diameter of centre crankshaft at juncture of right crankweb for max torque given crankweb moment, you need Distance Between Crank Pin and Crankshaft (r), Bending Moment in Crankweb due to Tangential Force (M_bt) & Tangential Force on Crank Pin (P_t). With our tool, you need to enter the respective value for Distance Between Crank Pin and Crankshaft, Bending Moment in Crankweb due to Tangential Force & Tangential Force on Crank Pin 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 Diameter of Crankshaft at Crankweb Joint?

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

Diameter of Crankshaft at Crankweb Joint = ((16/(pi*Shear Stress in Shaft at Crankweb Joint))*sqrt((Resultant Bending Moment at Crankweb Joint^2)+(Torsional Moment at Crankweb Joint^2)))^(1/3)

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