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The diameter of Spigot is defined as the diameter of the external surface of the spigot or the inner diameter of the socket. Check FAQs
d2=d4-Ltcσc1
d2 - Diameter of Spigot?d4 - Diameter of Socket Collar?L - Load on Cotter Joint?tc - Thickness of Cotter?σc1 - Compressive Stress in Spigot?

Diameter of Spigot of Cotter Joint given Compressive Stress Example

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With units
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Here is how the Diameter of Spigot of Cotter Joint given Compressive Stress equation looks like with Values.

Here is how the Diameter of Spigot of Cotter Joint given Compressive Stress equation looks like with Units.

Here is how the Diameter of Spigot of Cotter Joint given Compressive Stress equation looks like.

40.0006Edit=80Edit-50000Edit21.478Edit58.2Edit
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Diameter of Spigot of Cotter Joint given Compressive Stress Solution

Follow our step by step solution on how to calculate Diameter of Spigot of Cotter Joint given Compressive Stress?

FIRST Step Consider the formula
d2=d4-Ltcσc1
Next Step Substitute values of Variables
d2=80mm-50000N21.478mm58.2N/mm²
Next Step Convert Units
d2=0.08m-50000N0.0215m5.8E+7Pa
Next Step Prepare to Evaluate
d2=0.08-500000.02155.8E+7
Next Step Evaluate
d2=0.0400006271901657m
Next Step Convert to Output's Unit
d2=40.0006271901657mm
LAST Step Rounding Answer
d2=40.0006mm

Diameter of Spigot of Cotter Joint given Compressive Stress Formula Elements

Variables
Diameter of Spigot
The diameter of Spigot is defined as the diameter of the external surface of the spigot or the inner diameter of the socket.
Symbol: d2
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Diameter of Socket Collar
Diameter of socket collar is the external diameter of collar of the socket of a cotter joint.
Symbol: d4
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Load on Cotter Joint
Load on cotter joint is basically the amount of load/force any part or joint, can bear or is acted upon or exerts.
Symbol: L
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Thickness of Cotter
Thickness of Cotter is the measure of how much broad is the cotter in direction perpendicular to axial force.
Symbol: tc
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Compressive Stress in Spigot
Compressive Stress in Spigot is the amount of stress generated into the spigot due to the compressive force on it.
Symbol: σc1
Measurement: StressUnit: N/mm²
Note: Value should be greater than 0.

Other Formulas to find Diameter of Spigot

​Go Minimum Diameter of Spigot in Cotter Joint Subjected to Crushing Stress
d2=Lσctc
​Go Diameter of Spigot of Cotter Joint given Shear Stress in Spigot
d2=L2Laτsp
​Go Diameter of Spigot of Cotter Joint given Bending Stress in Cotter
d2=4b2σbtcL-2d4
​Go Inside Diameter of Socket of Cotter Joint given Shear Stress in Socket
d2=d4-L2cτso

Other formulas in Joint Geometry and Dimensions category

​Go Diameter of Spigot Collar given Rod Diameter
d3=1.5d
​Go Width of Cotter by Shear Consideration
b=V2τcotc
​Go Width of Cotter by Bending Consideration
b=(3Ltcσb(d24+d4-d26))0.5
​Go Thickness of Cotter Joint
tc=0.31d

How to Evaluate Diameter of Spigot of Cotter Joint given Compressive Stress?

Diameter of Spigot of Cotter Joint given Compressive Stress evaluator uses Diameter of Spigot = Diameter of Socket Collar-(Load on Cotter Joint)/(Thickness of Cotter*Compressive Stress in Spigot) to evaluate the Diameter of Spigot, The Diameter of spigot of cotter joint given compressive stress is the required diameter of the spigot of a cotter joint when a crushing force acts onto the spigot. Diameter of Spigot is denoted by d2 symbol.

How to evaluate Diameter of Spigot of Cotter Joint given Compressive Stress using this online evaluator? To use this online evaluator for Diameter of Spigot of Cotter Joint given Compressive Stress, enter Diameter of Socket Collar (d4), Load on Cotter Joint (L), Thickness of Cotter (tc) & Compressive Stress in Spigot c1) and hit the calculate button.

FAQs on Diameter of Spigot of Cotter Joint given Compressive Stress

What is the formula to find Diameter of Spigot of Cotter Joint given Compressive Stress?
The formula of Diameter of Spigot of Cotter Joint given Compressive Stress is expressed as Diameter of Spigot = Diameter of Socket Collar-(Load on Cotter Joint)/(Thickness of Cotter*Compressive Stress in Spigot). Here is an example- 61226.1 = 0.08-(50000)/(0.021478*58200000).
How to calculate Diameter of Spigot of Cotter Joint given Compressive Stress?
With Diameter of Socket Collar (d4), Load on Cotter Joint (L), Thickness of Cotter (tc) & Compressive Stress in Spigot c1) we can find Diameter of Spigot of Cotter Joint given Compressive Stress using the formula - Diameter of Spigot = Diameter of Socket Collar-(Load on Cotter Joint)/(Thickness of Cotter*Compressive Stress in Spigot).
What are the other ways to Calculate Diameter of Spigot?
Here are the different ways to Calculate Diameter of Spigot-
  • Diameter of Spigot=Load on Cotter Joint/(Crushing Stress induced in Cotter*Thickness of Cotter)OpenImg
  • Diameter of Spigot=(Load on Cotter Joint)/(2*Gap between End of Slot to End of Spigot*Shear Stress in Spigot)OpenImg
  • Diameter of Spigot=4*Mean Width of Cotter^2*Bending Stress in Cotter*(Thickness of Cotter)/Load on Cotter Joint-2*Diameter of Socket CollarOpenImg
Can the Diameter of Spigot of Cotter Joint given Compressive Stress be negative?
No, the Diameter of Spigot of Cotter Joint given Compressive Stress, measured in Length cannot be negative.
Which unit is used to measure Diameter of Spigot of Cotter Joint given Compressive Stress?
Diameter of Spigot of Cotter Joint given Compressive Stress is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Diameter of Spigot of Cotter Joint given Compressive Stress can be measured.
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