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Bending stress in central plane of crankweb Formula

GoBending stress in central plane of crankweb given bending moment Formula

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Bending Stress in Crankweb is the bending stress in the crank web due to the bending moment acting onto the crank web. Check FAQs

σ b = \frac{6 \cdot (P \cdot (l c \cdot 0.75 + \frac{t}{2}))}{t^{2} \cdot w}

σ_b - Bending Stress in Crankweb?P - Force on Crankweb?l_c - Length of Crank Pin?t - Thickness of Crank Web?w - Width of Crank Web?

Bending stress in central plane of crankweb Example

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Here is how the Bending stress in central plane of crankweb equation looks like with Values.

Here is how the Bending stress in central plane of crankweb equation looks like with Units.

Here is how the Bending stress in central plane of crankweb equation looks like.

14.4187 = \frac{6 \cdot (6500 \cdot (24.6 \cdot 0.75 + \frac{40}{2}))}{40^{2} \cdot 65}

14.4187N/mm² = \frac{6 \cdot (6500N \cdot (24.6mm \cdot 0.75 + \frac{40mm}{2}))}{{40mm}^{2} \cdot 65mm}

14.4187 = \frac{6 \cdot (6500 \cdot (24.6 \cdot 0.75 + \frac{40}{2}))}{40^{2} \cdot 65}

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Bending stress in central plane of crankweb Solution

Follow our step by step solution on how to calculate Bending stress in central plane of crankweb?

FIRST Step Consider the formula

σ b = \frac{6 \cdot (P \cdot (l c \cdot 0.75 + \frac{t}{2}))}{t^{2} \cdot w}

Next Step Substitute values of Variables

∴

σ b = \frac{6 \cdot (6500N \cdot (24.6mm \cdot 0.75 + \frac{40mm}{2}))}{{40mm}^{2} \cdot 65mm}

Next Step Convert Units

∴

σ b = \frac{6 \cdot (6500N \cdot (0.0246m \cdot 0.75 + \frac{0.04m}{2}))}{{0.04m}^{2} \cdot 0.065m}

Next Step Prepare to Evaluate

∴

σ b = \frac{6 \cdot (6500 \cdot (0.0246 \cdot 0.75 + \frac{0.04}{2}))}{{0.04}^{2} \cdot 0.065}

Next Step Evaluate

∴

σ b = 14418750Pa

Next Step Convert to Output's Unit

∴

σ b = 14.41875N/mm²

LAST Step Rounding Answer

∴

σ b = 14.4187N/mm²

Bending stress in central plane of crankweb Formula Elements

Variables

Bending Stress in Crankweb

Bending Stress in Crankweb is the bending stress in the crank web due to the bending moment acting onto the crank web.

Symbol: σ_b

Measurement: StressUnit: N/mm²

Note: Value should be greater than 0.

Formulas to find Bending Stress in Crankweb

Force on Crankweb

Force on Crankweb is the force acting onto the crankweb used in assembly of crankshaft & connecting rod, converts reciprocation of piston to rotation of crankshaft.

Symbol: P

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Force on Crankweb

Length of Crank Pin

Length of Crank Pin is the size of the crankpin from one end to the other and tells how long is the crankpin.

Symbol: l_c

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Length of Crank Pin

Thickness of Crank Web

Thickness of Crank Web is defined as the thickness of the crank web (the portion of a crank between the crankpin and the shaft) measured parallel to the crankpin longitudinal axis.

Symbol: t

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Thickness of Crank Web

Width of Crank Web

Width of Crank Web is defined as the width of the crank web (the portion of a crank between the crankpin and the shaft) measured perpendicular to the crankpin longitudinal axis.

Symbol: w

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Width of Crank Web

Other Formulas to find Bending Stress in Crankweb

Go Bending stress in central plane of crankweb given bending moment

σ b = \frac{6 \cdot M b}{t^{2} \cdot w}

Other formulas in Design of Crank Web at Top Dead Centre Position category

Go Thickness of crankweb given bending moment at bearing 1 of side crankshaft at TDC position

t = \frac{M b1}{P p} - 0.75 \cdot l c - 0.5 \cdot l 1

Go Direct compressive stress in central plane of crankweb of side crankshaft at TDC Position

σ dc = \frac{P}{w \cdot t}

Go Bending moment in central plane of crankweb

M b = P \cdot (l c \cdot 0.75 + \frac{t}{2})

Go Length of crankpin given bending stress in central plane of crankweb

l c = \frac{\frac{\frac{σ b \cdot t^{2} \cdot w}{6}}{P} - 0.5 \cdot t}{0.75}

How to Evaluate Bending stress in central plane of crankweb?

Bending stress in central plane of crankweb evaluator uses Bending Stress in Crankweb = (6*(Force on Crankweb*(Length of Crank Pin*0.75+Thickness of Crank Web/2)))/(Thickness of Crank Web^2*Width of Crank Web) to evaluate the Bending Stress in Crankweb, Bending stress in central plane of crankweb is the amount of bending stress generated into the crankweb at its central plane when an external force or moment, here due to the gas force on the piston. Bending Stress in Crankweb is denoted by σ_b symbol.

How to evaluate Bending stress in central plane of crankweb using this online evaluator? To use this online evaluator for Bending stress in central plane of crankweb, enter Force on Crankweb (P), Length of Crank Pin (l_c), Thickness of Crank Web (t) & Width of Crank Web (w) and hit the calculate button.

FAQs on Bending stress in central plane of crankweb

What is the formula to find Bending stress in central plane of crankweb?

The formula of Bending stress in central plane of crankweb is expressed as Bending Stress in Crankweb = (6*(Force on Crankweb*(Length of Crank Pin*0.75+Thickness of Crank Web/2)))/(Thickness of Crank Web^2*Width of Crank Web). Here is an example- 2E-5 = (6*(6500*(0.0246*0.75+0.04/2)))/(0.04^2*0.065).

How to calculate Bending stress in central plane of crankweb?

With Force on Crankweb (P), Length of Crank Pin (l_c), Thickness of Crank Web (t) & Width of Crank Web (w) we can find Bending stress in central plane of crankweb using the formula - Bending Stress in Crankweb = (6*(Force on Crankweb*(Length of Crank Pin*0.75+Thickness of Crank Web/2)))/(Thickness of Crank Web^2*Width of Crank Web).

What are the other ways to Calculate Bending Stress in Crankweb?

Here are the different ways to Calculate Bending Stress in Crankweb-

Bending Stress in Crankweb=(6*Bending Moment at Central Plane of Crank Web)/(Thickness of Crank Web^2*Width of Crank Web)

Can the Bending stress in central plane of crankweb be negative?

No, the Bending stress in central plane of crankweb, measured in Stress cannot be negative.

Which unit is used to measure Bending stress in central plane of crankweb?

Bending stress in central plane of crankweb 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 Bending stress in central plane of crankweb can be measured.

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Bending stress in central plane of crankweb Formula

​GoBending stress in central plane of crankweb given bending moment Formula

Bending stress in central plane of crankweb Example

Bending stress in central plane of crankweb Solution

Bending stress in central plane of crankweb Formula Elements

Other Formulas to find Bending Stress in Crankweb

Other formulas in Design of Crank Web at Top Dead Centre Position category

How to Evaluate Bending stress in central plane of crankweb?

FAQs on Bending stress in central plane of crankweb

Variable Name

GoBending stress in central plane of crankweb given bending moment Formula