Friction Radius of Disk Brake Calculator

✖Brake Pad Outer Radius is defined as the outer radius of the brake pad.ⓘ Brake Pad Outer Radius [R_o]			+10% -10%
✖Brake Pad Inner Radius is defined as the inner radius of the brake pad.ⓘ Brake Pad Inner Radius [R_i]			+10% -10%

✖Friction Radius of Brake specifies a characteristic radius for a disc clutch/brake.ⓘ Friction Radius of Disk Brake [R_f]

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Friction Radius of Disk Brake Solution

STEP 0: Pre-Calculation Summary

Formula Used

Friction Radius of Brake = 2*(Brake Pad Outer Radius^3-Brake Pad Inner Radius^3)/(3*(Brake Pad Outer Radius^2-Brake Pad Inner Radius^2))
R_f = 2*(R_o^3-R_i^3)/(3*(R_o^2-R_i^2))
This formula uses 3 Variables

Variables Used

Friction Radius of Brake - (Measured in Meter) - Friction Radius of Brake specifies a characteristic radius for a disc clutch/brake.
Brake Pad Outer Radius - (Measured in Meter) - Brake Pad Outer Radius is defined as the outer radius of the brake pad.
Brake Pad Inner Radius - (Measured in Meter) - Brake Pad Inner Radius is defined as the inner radius of the brake pad.

STEP 1: Convert Input(s) to Base Unit

Brake Pad Outer Radius: 125 Millimeter --> 0.125 Meter (Check conversion here)
Brake Pad Inner Radius: 100 Millimeter --> 0.1 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_f = 2*(R_o^3-R_i^3)/(3*(R_o^2-R_i^2)) --> 2*(0.125^3-0.1^3)/(3*(0.125^2-0.1^2))

Evaluating ... ...

R_f = 0.112962962962963

STEP 3: Convert Result to Output's Unit

0.112962962962963 Meter -->112.962962962963 Millimeter (Check conversion here)

FINAL ANSWER

112.962962962963 ≈ 112.963 Millimeter <-- Friction Radius of Brake

(Calculation completed in 00.004 seconds)

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< Disk Brakes Calculators

Friction Radius of Disk Brake

LaTeX Go Friction Radius of Brake = 2*(Brake Pad Outer Radius^3-Brake Pad Inner Radius^3)/(3*(Brake Pad Outer Radius^2-Brake Pad Inner Radius^2))

Coefficient of Friction given Torque Capacity of Disk Brake

LaTeX Go Coefficient of Friction For Brake = Torque Absorbed By Brake/(Actuating Force on Brake*Friction Radius of Brake)

Actuating Force given Torque Capacity of Disk Brake

LaTeX Go Actuating Force on Brake = Torque Absorbed By Brake/(Coefficient of Friction For Brake*Friction Radius of Brake)

Torque Capacity of Disk Brake

LaTeX Go Torque Absorbed By Brake = Coefficient of Friction For Brake*Actuating Force on Brake*Friction Radius of Brake

Friction Radius of Disk Brake Formula

LaTeX Go

Friction Radius of Brake = 2*(Brake Pad Outer Radius^3-Brake Pad Inner Radius^3)/(3*(Brake Pad Outer Radius^2-Brake Pad Inner Radius^2))
R_f = 2*(R_o^3-R_i^3)/(3*(R_o^2-R_i^2))

Define Disk Brake?

A disc brake is a type of brake that uses the calipers to squeeze pairs of pads against a disc or a "rotor" to create friction. This action slows the rotation of a shaft, such as a vehicle axle, either to reduce its rotational speed or to hold it stationary.

How to Calculate Friction Radius of Disk Brake?

Friction Radius of Disk Brake calculator uses Friction Radius of Brake = 2*(Brake Pad Outer Radius^3-Brake Pad Inner Radius^3)/(3*(Brake Pad Outer Radius^2-Brake Pad Inner Radius^2)) to calculate the Friction Radius of Brake, The Friction Radius of Disk Brake formula specifies characteristic radius for disc clutch/brake. Friction Radius of Brake is denoted by R_f symbol.

How to calculate Friction Radius of Disk Brake using this online calculator? To use this online calculator for Friction Radius of Disk Brake, enter Brake Pad Outer Radius (R_o) & Brake Pad Inner Radius (R_i) and hit the calculate button. Here is how the Friction Radius of Disk Brake calculation can be explained with given input values -> 112963 = 2*(0.125^3-0.1^3)/(3*(0.125^2-0.1^2)).

FAQ

What is Friction Radius of Disk Brake?

The Friction Radius of Disk Brake formula specifies characteristic radius for disc clutch/brake and is represented as R_f = 2*(R_o^3-R_i^3)/(3*(R_o^2-R_i^2)) or Friction Radius of Brake = 2*(Brake Pad Outer Radius^3-Brake Pad Inner Radius^3)/(3*(Brake Pad Outer Radius^2-Brake Pad Inner Radius^2)). Brake Pad Outer Radius is defined as the outer radius of the brake pad & Brake Pad Inner Radius is defined as the inner radius of the brake pad.

How to calculate Friction Radius of Disk Brake?

The Friction Radius of Disk Brake formula specifies characteristic radius for disc clutch/brake is calculated using Friction Radius of Brake = 2*(Brake Pad Outer Radius^3-Brake Pad Inner Radius^3)/(3*(Brake Pad Outer Radius^2-Brake Pad Inner Radius^2)). To calculate Friction Radius of Disk Brake, you need Brake Pad Outer Radius (R_o) & Brake Pad Inner Radius (R_i). With our tool, you need to enter the respective value for Brake Pad Outer Radius & Brake Pad Inner Radius 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 Friction Radius of Brake?

In this formula, Friction Radius of Brake uses Brake Pad Outer Radius & Brake Pad Inner Radius. We can use 1 other way(s) to calculate the same, which is/are as follows -

Friction Radius of Brake = Torque Absorbed By Brake/(Coefficient of Friction For Brake*Actuating Force on Brake)

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