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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. Check FAQs
t=MbP-0.75lc0.5
t - Thickness of Crank Web?Mb - Bending Moment at Central Plane of Crank Web?P - Force on Crankweb?lc - Length of Crank Pin?

Thickness of crankweb given bending moment in central plane of crankweb Example

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Here is how the Thickness of crankweb given bending moment in central plane of crankweb equation looks like with Values.

Here is how the Thickness of crankweb given bending moment in central plane of crankweb equation looks like with Units.

Here is how the Thickness of crankweb given bending moment in central plane of crankweb equation looks like.

40.0231Edit=250Edit6500Edit-0.7524.6Edit0.5
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Thickness of crankweb given bending moment in central plane of crankweb Solution

Follow our step by step solution on how to calculate Thickness of crankweb given bending moment in central plane of crankweb?

FIRST Step Consider the formula
t=MbP-0.75lc0.5
Next Step Substitute values of Variables
t=250N*m6500N-0.7524.6mm0.5
Next Step Convert Units
t=250N*m6500N-0.750.0246m0.5
Next Step Prepare to Evaluate
t=2506500-0.750.02460.5
Next Step Evaluate
t=0.0400230769230769m
Next Step Convert to Output's Unit
t=40.0230769230769mm
LAST Step Rounding Answer
t=40.0231mm

Thickness of crankweb given bending moment in central plane of crankweb Formula Elements

Variables
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.
Bending Moment at Central Plane 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.
Symbol: Mb
Measurement: TorqueUnit: N*m
Note: Value should be greater than 0.
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.
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: lc
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other Formulas to find Thickness of Crank Web

​Go Thickness of crankweb given bending moment at bearing 1 of side crankshaft at TDC position
t=Mb1Pp-0.75lc-0.5l1

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

​Go Direct compressive stress in central plane of crankweb of side crankshaft at TDC Position
σdc=Pwt
​Go Bending moment in central plane of crankweb
Mb=P(lc0.75+t2)
​Go Bending stress in central plane of crankweb
σb=6(P(lc0.75+t2))t2w
​Go Bending stress in central plane of crankweb given bending moment
σb=6Mbt2w

How to Evaluate Thickness of crankweb given bending moment in central plane of crankweb?

Thickness of crankweb given bending moment in central plane of crankweb evaluator uses Thickness of Crank Web = (Bending Moment at Central Plane of Crank Web/Force on Crankweb-0.75*Length of Crank Pin)/0.5 to evaluate the Thickness of Crank Web, Thickness of crankweb given bending moment in central plane of crankweb is the thickness of the crank web (the portion of a crank between the crankpin and the shaft) measured parallel to the crankpin longitudinal axis. Thickness of Crank Web is denoted by t symbol.

How to evaluate Thickness of crankweb given bending moment in central plane of crankweb using this online evaluator? To use this online evaluator for Thickness of crankweb given bending moment in central plane of crankweb, enter Bending Moment at Central Plane of Crank Web (Mb), Force on Crankweb (P) & Length of Crank Pin (lc) and hit the calculate button.

FAQs on Thickness of crankweb given bending moment in central plane of crankweb

What is the formula to find Thickness of crankweb given bending moment in central plane of crankweb?
The formula of Thickness of crankweb given bending moment in central plane of crankweb is expressed as Thickness of Crank Web = (Bending Moment at Central Plane of Crank Web/Force on Crankweb-0.75*Length of Crank Pin)/0.5. Here is an example- 12423.08 = (250/6500-0.75*0.0246)/0.5.
How to calculate Thickness of crankweb given bending moment in central plane of crankweb?
With Bending Moment at Central Plane of Crank Web (Mb), Force on Crankweb (P) & Length of Crank Pin (lc) we can find Thickness of crankweb given bending moment in central plane of crankweb using the formula - Thickness of Crank Web = (Bending Moment at Central Plane of Crank Web/Force on Crankweb-0.75*Length of Crank Pin)/0.5.
What are the other ways to Calculate Thickness of Crank Web?
Here are the different ways to Calculate Thickness of Crank Web-
  • 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 CrankshaftOpenImg
Can the Thickness of crankweb given bending moment in central plane of crankweb be negative?
No, the Thickness of crankweb given bending moment in central plane of crankweb, measured in Length cannot be negative.
Which unit is used to measure Thickness of crankweb given bending moment in central plane of crankweb?
Thickness of crankweb given bending moment in central plane of crankweb is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Thickness of crankweb given bending moment in central plane of crankweb can be measured.
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