Braking Torque when Brakes are Applied Calculator

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Design of Brakes

Design of Chain Drives

Design of Flywheel

Design of Friction Clutches

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Energy and Thermal Equation

✖Coefficient of Friction for Brake is the ratio defining the force that resists the motion of the brake pad in relation to the brake disc or drum in contact with it.ⓘ Coefficient of Friction for Brake [μ]			+10% -10%
✖Normal Reaction on Brake is the force exerted by the drum or the disc onto the brake or vice versa.ⓘ Normal Reaction on Brake [N]			+10% -10%
✖The Radius of Brake Drum is any of the line segments from the brake drum's center to its circumference.ⓘ Radius of Brake Drum [r]			+10% -10%

✖Braking or fixing torque on fixed member is the measure of the force that can cause an object to rotate about an axis.ⓘ Braking Torque when Brakes are Applied [Mt_fm]

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Formula

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Braking Torque when Brakes are Applied

Formula

`"Mt"_{"fm"} = "μ"*"N"*"r"`

Example

`"609000N*mm"="0.35"*"5800N"*"300mm"`

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Braking Torque when Brakes are Applied Solution

STEP 0: Pre-Calculation Summary

Formula Used

Braking or Fixing Torque on Fixed Member = Coefficient of Friction for Brake*Normal Reaction on Brake*Radius of Brake Drum
Mt_fm = μ*N*r
This formula uses 4 Variables

Variables Used

Braking or Fixing Torque on Fixed Member - (Measured in Newton Meter) - Braking or fixing torque on fixed member is the measure of the force that can cause an object to rotate about an axis.
Coefficient of Friction for Brake - Coefficient of Friction for Brake is the ratio defining the force that resists the motion of the brake pad in relation to the brake disc or drum in contact with it.
Normal Reaction on Brake - (Measured in Newton) - Normal Reaction on Brake is the force exerted by the drum or the disc onto the brake or vice versa.
Radius of Brake Drum - (Measured in Meter) - The Radius of Brake Drum is any of the line segments from the brake drum's center to its circumference.

STEP 1: Convert Input(s) to Base Unit

Coefficient of Friction for Brake: 0.35 --> No Conversion Required
Normal Reaction on Brake: 5800 Newton --> 5800 Newton No Conversion Required
Radius of Brake Drum: 300 Millimeter --> 0.3 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Mt_fm = μ*N*r --> 0.35*5800*0.3

Evaluating ... ...

Mt_fm = 609

STEP 3: Convert Result to Output's Unit

609 Newton Meter -->609000 Newton Millimeter (Check conversion here)

FINAL ANSWER

609000 Newton Millimeter <-- Braking or Fixing Torque on Fixed Member

(Calculation completed in 00.004 seconds)

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

Kethavath Srinath has created this Calculator and 1000+ more calculators!

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 12 Block Brake Calculators

Actual Coefficient of Friction given Equivalent Coefficient of Friction

Go Coefficient of Friction for Brake = Equivalent Coefficient of Friction/((4*sin(Semi-Block Angle))/(2*Semi-Block Angle+sin(2*Semi-Block Angle)))

Equivalent Coefficient of Friction in Block Brake with Long Shoe

Go Equivalent Coefficient of Friction = Coefficient of Friction for Brake*((4*sin(Semi-Block Angle))/(2*Semi-Block Angle+sin(2*Semi-Block Angle)))

Radius of Drum given Distance from Center of Drum to Pivoted Shoe

Go Radius of Brake Drum = Distance from Center of Drum to Pivot*(2*Semi-Block Angle+sin(2*Semi-Block Angle))/(4*sin(Semi-Block Angle))

Distance from Center of Drum to Pivoted Shoe

Go Distance from Center of Drum to Pivot = 4*Radius of Brake Drum*sin(Semi-Block Angle)/(2*Semi-Block Angle+sin(2*Semi-Block Angle))

Coefficient of Friction given Braking Torque

Go Coefficient of Friction for Brake = Braking or Fixing Torque on Fixed Member/(Normal Reaction on Brake*Radius of Brake Drum)

Normal Reaction Force given Braking Torque

Go Normal Reaction on Brake = Braking or Fixing Torque on Fixed Member/(Coefficient of Friction for Brake*Radius of Brake Drum)

Radius of Drum Brake given Braking Torque

Go Radius of Brake Drum = Braking or Fixing Torque on Fixed Member/(Coefficient of Friction for Brake*Normal Reaction on Brake)

Braking Torque when Brakes are Applied

Go Braking or Fixing Torque on Fixed Member = Coefficient of Friction for Brake*Normal Reaction on Brake*Radius of Brake Drum

Width of Block given Normal Reaction Force

Go Width of Brake Block Shoe = Normal Reaction on Brake/(Pressure Between Block and Brake Drum*Length of Block of Brake)

Length of Block given Normal Reaction

Go Length of Block of Brake = Normal Reaction on Brake/(Width of Brake Block Shoe*Pressure Between Block and Brake Drum)

Permissible Pressure between Block and Brake Drum given Normal Reaction

Go Pressure Between Block and Brake Drum = Normal Reaction on Brake/Length of Block of Brake*Width of Brake Block Shoe

Normal Reaction Force

Go Normal Reaction on Brake = Pressure Between Block and Brake Drum*Length of Block of Brake*Width of Brake Block Shoe

Braking Torque when Brakes are Applied Formula

Braking or Fixing Torque on Fixed Member = Coefficient of Friction for Brake*Normal Reaction on Brake*Radius of Brake Drum
Mt_fm = μ*N*r

Define Braking Torque?

Brake torque is essentially the power of the braking system. The force exerted by the caliper, multiplied by the effective radius of the system equals the brake torque. Increasing either the force applied by the caliper, or the effective radius results in increased brake torque.

How to Calculate Braking Torque when Brakes are Applied?

Braking Torque when Brakes are Applied calculator uses Braking or Fixing Torque on Fixed Member = Coefficient of Friction for Brake*Normal Reaction on Brake*Radius of Brake Drum to calculate the Braking or Fixing Torque on Fixed Member, The Braking Torque when Brakes are Applied formula is defined as the force exerted by the caliper, multiplied by the effective radius of the system equals the brake torque. Braking or Fixing Torque on Fixed Member is denoted by Mt_fm symbol.

How to calculate Braking Torque when Brakes are Applied using this online calculator? To use this online calculator for Braking Torque when Brakes are Applied, enter Coefficient of Friction for Brake (μ), Normal Reaction on Brake (N) & Radius of Brake Drum (r) and hit the calculate button. Here is how the Braking Torque when Brakes are Applied calculation can be explained with given input values -> 6.1E+8 = 0.35*5800*0.3.

FAQ

What is Braking Torque when Brakes are Applied?

The Braking Torque when Brakes are Applied formula is defined as the force exerted by the caliper, multiplied by the effective radius of the system equals the brake torque and is represented as Mt_fm = μ*N*r or Braking or Fixing Torque on Fixed Member = Coefficient of Friction for Brake*Normal Reaction on Brake*Radius of Brake Drum. Coefficient of Friction for Brake is the ratio defining the force that resists the motion of the brake pad in relation to the brake disc or drum in contact with it, Normal Reaction on Brake is the force exerted by the drum or the disc onto the brake or vice versa & The Radius of Brake Drum is any of the line segments from the brake drum's center to its circumference.

How to calculate Braking Torque when Brakes are Applied?

The Braking Torque when Brakes are Applied formula is defined as the force exerted by the caliper, multiplied by the effective radius of the system equals the brake torque is calculated using Braking or Fixing Torque on Fixed Member = Coefficient of Friction for Brake*Normal Reaction on Brake*Radius of Brake Drum. To calculate Braking Torque when Brakes are Applied, you need Coefficient of Friction for Brake (μ), Normal Reaction on Brake (N) & Radius of Brake Drum (r). With our tool, you need to enter the respective value for Coefficient of Friction for Brake, Normal Reaction on Brake & Radius of Brake Drum and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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