Bending stress in central plane of crankweb given bending moment Solution

STEP 0: Pre-Calculation Summary
Formula Used
Bending Stress in Crankweb = (6*Bending Moment at Central Plane of Crank Web)/(Thickness of Crank Web^2*Width of Crank Web)
σb = (6*Mb)/(t^2*w)
This formula uses 4 Variables
Variables Used
Bending Stress in Crankweb - (Measured in Pascal) - Bending Stress in Crankweb is the bending stress in the crank web due to the bending moment acting onto the crank web.
Bending Moment at Central Plane of Crank Web - (Measured in Newton Meter) - Bending Moment at central plane of crank web is the reaction induced in the central plane of the crank web when an external force or moment is applied to the crank web causing it to bend.
Thickness of Crank Web - (Measured in Meter) - 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.
Width of Crank Web - (Measured in Meter) - 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.
STEP 1: Convert Input(s) to Base Unit
Bending Moment at Central Plane of Crank Web: 250 Newton Meter --> 250 Newton Meter No Conversion Required
Thickness of Crank Web: 40 Millimeter --> 0.04 Meter (Check conversion ​here)
Width of Crank Web: 65 Millimeter --> 0.065 Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
σb = (6*Mb)/(t^2*w) --> (6*250)/(0.04^2*0.065)
Evaluating ... ...
σb = 14423076.9230769
STEP 3: Convert Result to Output's Unit
14423076.9230769 Pascal -->14.4230769230769 Newton per Square Millimeter (Check conversion ​here)
FINAL ANSWER
14.4230769230769 14.42308 Newton per Square Millimeter <-- Bending Stress in Crankweb
(Calculation completed in 00.007 seconds)

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Design of Crank Web at Top Dead Centre Position Calculators

Bending stress in central plane of crankweb
​ LaTeX ​ Go 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)
Thickness of crankweb given bending moment at bearing 1 of side crankshaft at TDC position
​ LaTeX ​ Go Thickness of Crank Web = Bending Moment at Bearing1 of Crankshaft/Force on Crank Pin-0.75*Length of Crank Pin-0.5*Length of Bearing1 of Crankshaft
Bending moment in central plane of crankweb
​ LaTeX ​ Go Bending Moment at Central Plane of Crank Web = Force on Crankweb*(Length of Crank Pin*0.75+Thickness of Crank Web/2)
Direct compressive stress in central plane of crankweb of side crankshaft at TDC Position
​ LaTeX ​ Go Direct Compressive Stress in Crankweb = Force on Crankweb/(Width of Crank Web*Thickness of Crank Web)

Bending stress in central plane of crankweb given bending moment Formula

​LaTeX ​Go
Bending Stress in Crankweb = (6*Bending Moment at Central Plane of Crank Web)/(Thickness of Crank Web^2*Width of Crank Web)
σb = (6*Mb)/(t^2*w)

What is a crank arm or crank web?

The crank arm is also known as web or crank web. The Crank web is one of the most important parts of a crankshaft. The main purpose of a crank arm or crank web is to connect the crankshaft to the main bearing journals. A crank web is positioned opposite to the crank pin.

How to Calculate Bending stress in central plane of crankweb given bending moment?

Bending stress in central plane of crankweb given bending moment calculator uses Bending Stress in Crankweb = (6*Bending Moment at Central Plane of Crank Web)/(Thickness of Crank Web^2*Width of Crank Web) to calculate the Bending Stress in Crankweb, Bending stress in central plane of crankweb given bending moment 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 σb symbol.

How to calculate Bending stress in central plane of crankweb given bending moment using this online calculator? To use this online calculator for Bending stress in central plane of crankweb given bending moment, enter Bending Moment at Central Plane of Crank Web (Mb), Thickness of Crank Web (t) & Width of Crank Web (w) and hit the calculate button. Here is how the Bending stress in central plane of crankweb given bending moment calculation can be explained with given input values -> 1.4E-5 = (6*250)/(0.04^2*0.065).

FAQ

What is Bending stress in central plane of crankweb given bending moment?
Bending stress in central plane of crankweb given bending moment 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 and is represented as σb = (6*Mb)/(t^2*w) or Bending Stress in Crankweb = (6*Bending Moment at Central Plane of Crank Web)/(Thickness of Crank Web^2*Width of Crank Web). Bending Moment at central plane of crank web is the reaction induced in the central plane of the crank web when an external force or moment is applied to the crank web causing it to bend, 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 & 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.
How to calculate Bending stress in central plane of crankweb given bending moment?
Bending stress in central plane of crankweb given bending moment 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 is calculated using Bending Stress in Crankweb = (6*Bending Moment at Central Plane of Crank Web)/(Thickness of Crank Web^2*Width of Crank Web). To calculate Bending stress in central plane of crankweb given bending moment, you need Bending Moment at Central Plane of Crank Web (Mb), Thickness of Crank Web (t) & Width of Crank Web (w). With our tool, you need to enter the respective value for Bending Moment at Central Plane of Crank Web, Thickness of Crank Web & Width of Crank Web 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 Stress in Crankweb?
In this formula, Bending Stress in Crankweb uses Bending Moment at Central Plane of Crank Web, Thickness of Crank Web & Width of Crank Web. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • 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)
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