Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin Calculator

✖Outside Diameter of Boss of Rocker Arm is the external diameter of the boss (protruding feature on a workpiece) of the rocker arm.ⓘ Outside Diameter of Boss of Rocker Arm [D_o]

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✖Diameter of Fulcrum Pin is the diameter of the pin used at the fulcrum joint.ⓘ Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin [d₁]

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Formula

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Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin

Formula

`"d"_{"1"} = "D"_{"o"}/2`

Example

`"23mm"="46mm"/2`

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Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin Solution

STEP 0: Pre-Calculation Summary

Formula Used

Diameter of Fulcrum Pin = Outside Diameter of Boss of Rocker Arm/2
d₁ = D_o/2
This formula uses 2 Variables

Variables Used

Diameter of Fulcrum Pin - (Measured in Meter) - Diameter of Fulcrum Pin is the diameter of the pin used at the fulcrum joint.
Outside Diameter of Boss of Rocker Arm - (Measured in Meter) - Outside Diameter of Boss of Rocker Arm is the external diameter of the boss (protruding feature on a workpiece) of the rocker arm.

STEP 1: Convert Input(s) to Base Unit

Outside Diameter of Boss of Rocker Arm: 46 Millimeter --> 0.046 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

d₁ = D_o/2 --> 0.046/2

Evaluating ... ...

d₁ = 0.023

STEP 3: Convert Result to Output's Unit

0.023 Meter -->23 Millimeter (Check conversion here)

FINAL ANSWER

23 Millimeter <-- Diameter of Fulcrum Pin

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Rocker Arm » Design of Cross Section of Rocker Arm » Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

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< 7 Design of Cross Section of Rocker Arm Calculators

Bending Moment in Rocker Arm near Boss of Rocker Arm at Fulcrum Pin

Go Bending Moment in Rocker Arm = Total Force on Rocker Arm of Exhaust Valve*(Length of Rocker Arm on Exhaust Valve Side-Diameter of Fulcrum Pin)

Diameter of Fulcrum Pin of Rocker Arm given Bending Moment near Boss of Rocker Arm

Go Diameter of Fulcrum Pin = Length of Rocker Arm on Exhaust Valve Side-Bending Moment in Rocker Arm/Total Force on Rocker Arm of Exhaust Valve

Length of Rocker Arm of Exhaust Valve Side

Go Length of Rocker Arm on Exhaust Valve Side = Bending Moment in Rocker Arm/Total Force on Rocker Arm of Exhaust Valve+Diameter of Fulcrum Pin

Area Moment of Inertia of Cross Section of Rocker Arm given Bending Stress and Moment

Go Area Moment of Inertia of Rocker Arm = 3*Thickness of Rocker Arm Web*Bending Moment in Rocker Arm/Bending Stress in Rocker Arm

Bending Moment in Rocker Arm near Boss of Rocker Arm given Bending Stress

Go Bending Moment in Rocker Arm = (37*Bending Stress in Rocker Arm*Thickness of Rocker Arm Web^3)/3

Area Moment of Inertia of Cross Section of Rocker Arm

Go Area Moment of Inertia of Rocker Arm = 37*Thickness of Rocker Arm Web^4

Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin

Go Diameter of Fulcrum Pin = Outside Diameter of Boss of Rocker Arm/2

Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin Formula

Diameter of Fulcrum Pin = Outside Diameter of Boss of Rocker Arm/2
d₁ = D_o/2

Design of cross section of rocker arm

The arm is subjected to bending moment under the action of force Pe. The bending moment is maximum at the centre of the pivot. In general, the central section passing through the fulcrum pin is sufficiently strong to withstand the bending moment. Therefore, we will consider the cross-section of the arm near the boss of the fulcrum pin. The outside diameter of the boss of the rocker arm at the fulcrum pin is twice the diameter of the fulcrum pin.

How to Calculate Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin?

Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin calculator uses Diameter of Fulcrum Pin = Outside Diameter of Boss of Rocker Arm/2 to calculate the Diameter of Fulcrum Pin, The Diameter of fulcrum pin of rocker arm given outside diameter of boss at fulcrum pin is the diameter of the fulcrum pin used at the fulcrum joint of the two rocker arms. Diameter of Fulcrum Pin is denoted by d₁ symbol.

How to calculate Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin using this online calculator? To use this online calculator for Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin, enter Outside Diameter of Boss of Rocker Arm (D_o) and hit the calculate button. Here is how the Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin calculation can be explained with given input values -> 23000 = 0.046/2.

FAQ

What is Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin?

The Diameter of fulcrum pin of rocker arm given outside diameter of boss at fulcrum pin is the diameter of the fulcrum pin used at the fulcrum joint of the two rocker arms and is represented as d₁ = D_o/2 or Diameter of Fulcrum Pin = Outside Diameter of Boss of Rocker Arm/2. Outside Diameter of Boss of Rocker Arm is the external diameter of the boss (protruding feature on a workpiece) of the rocker arm.

How to calculate Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin?

The Diameter of fulcrum pin of rocker arm given outside diameter of boss at fulcrum pin is the diameter of the fulcrum pin used at the fulcrum joint of the two rocker arms is calculated using Diameter of Fulcrum Pin = Outside Diameter of Boss of Rocker Arm/2. To calculate Diameter of Fulcrum Pin of Rocker Arm given Outside Diameter of Boss at Fulcrum Pin, you need Outside Diameter of Boss of Rocker Arm (D_o). With our tool, you need to enter the respective value for Outside Diameter of Boss of Rocker Arm 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 Fulcrum Pin?

In this formula, Diameter of Fulcrum Pin uses Outside Diameter of Boss of Rocker Arm. We can use 1 other way(s) to calculate the same, which is/are as follows -

Diameter of Fulcrum Pin = Length of Rocker Arm on Exhaust Valve Side-Bending Moment in Rocker Arm/Total Force on Rocker Arm of Exhaust Valve

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