Braking Torque of Disc Brake Solution

STEP 0: Pre-Calculation Summary
Formula Used
Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units
Ts = 2*p*ap*μp*Rm*n
This formula uses 6 Variables
Variables Used
Disc Brake Braking Torque - (Measured in Newton Meter) - Disc Brake Braking Torque is defined as the torque produced on the friction disc during their rotational movement during braking operation.
Line Pressure - (Measured in Pascal) - Line pressure is defined as the pressure acting on the surface lining of the friction disc during braking operation.
Area of One Piston per Caliper - (Measured in Square Meter) - Area of One Piston per Caliper is defined as the area that the piston of caliper covers when brake force is applied.
Friction Coefficient of Pad Material - Friction Coefficient of Pad Material is the frictional coefficient of the brake pad material, and it is a constant.
Mean Radius of Caliper Unit to Disc Axis - (Measured in Meter) - Mean Radius of Caliper Unit to Disc Axis is defined as the distance from the center of disc brake to the center portion of the caliper.
Number of Caliper Units - Number of Caliper Units is defined as the number of calipers that are attached to the disc pads to facilitate braking operation.
STEP 1: Convert Input(s) to Base Unit
Line Pressure: 8 Newton per Square Meter --> 8 Pascal (Check conversion here)
Area of One Piston per Caliper: 0.02 Square Meter --> 0.02 Square Meter No Conversion Required
Friction Coefficient of Pad Material: 0.34 --> No Conversion Required
Mean Radius of Caliper Unit to Disc Axis: 0.25 Meter --> 0.25 Meter No Conversion Required
Number of Caliper Units: 2.01 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ts = 2*p*app*Rm*n --> 2*8*0.02*0.34*0.25*2.01
Evaluating ... ...
Ts = 0.054672
STEP 3: Convert Result to Output's Unit
0.054672 Newton Meter --> No Conversion Required
FINAL ANSWER
0.054672 Newton Meter <-- Disc Brake Braking Torque
(Calculation completed in 00.020 seconds)

Credits

Created by Syed Adnan
Ramaiah University of Applied Sciences (RUAS), bangalore
Syed Adnan has created this Calculator and 200+ more calculators!
Verified by Kartikay Pandit
National Institute Of Technology (NIT), Hamirpur
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11 Vehicle Braking Dynamics Calculators

Braking Torque of Leading Shoe
Go Leading Shoe Braking Torque = (Leading Shoe Actuating Force*Distance of Actuating Force from Horizontal*Friction Coefficient between Drum and Shoe*Effective Radius of Normal Force)/(Force of Trailing Shoe Distance from Horizontal+(Friction Coefficient between Drum and Shoe*Effective Radius of Normal Force))
Braking Torque of Trailing Shoe
Go Trailing Shoe Braking Torque = (Trailing Shoe Actuating Force*Force of Trailing Shoe Distance from Horizontal*Friction Coefficient for Smooth Road*Effective Radius of Normal Force)/(Force of Trailing Shoe Distance from Horizontal-Friction Coefficient for Smooth Road*Effective Radius of Normal Force)
Mean Lining Pressure of Brake Lining
Go Mean Lining Pressure = (180/(8*pi))*(Brake Drum Braking Force*Effective Wheel Radius)/(Friction Coefficient between Drum and Shoe*Brake Drum Radius^2*Brake Lining Width*Angle between Linings of Brake Shoes)
Gradient Descend Brake Drum Force
Go Brake Drum Braking Force = Vehicle Weight/Acceleration due to Gravity*Vehicle Deceleration+Vehicle Weight*sin(Angle of Inclination of Plane to Horizontal)
Friction Coefficient between Wheel and Road Surface with Retardation
Go Friction Coefficient between Wheels and Ground = (Retardation Produced by Braking/[g]+sin(Inclination Angle of Road))/cos(Inclination Angle of Road)
All Wheel Braking Retardation
Go Retardation Produced by Braking = [g]*(Friction Coefficient between Wheels and Ground*cos(Inclination Angle of Road)-sin(Inclination Angle of Road))
Braking Torque of Disc Brake
Go Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units
Normal Force at Brake Shoe Contact Point
Go Normal Force between Shoe and Drum = (Brake Drum Braking Force*Effective Wheel Radius)/(8*Friction Coefficient between Drum and Shoe*Angle between Linings of Brake Shoes)
Ground Speed of Track Laying Vehicle
Go Ground Speed of Track Laying Vehicle = (Engine RPM*Driving Sprocket Circumference)/(16660*Overall Gear Reduction)
Braking Force on Brake Drum on Level Road
Go Brake Drum Braking Force = Vehicle Weight/Acceleration due to Gravity*Vehicle Deceleration
Wheel Heat Generation Rate
Go Heat Generated per Second at Each Wheel = (Brake Drum Braking Force*Vehicle Speed)/4

Braking Torque of Disc Brake Formula

Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units
Ts = 2*p*ap*μp*Rm*n

What is braking torque of disc brake?

A disc brake converts brake cylinder pressure from the brake cylinder into force. The disc brake applies the force at the brake pad mean radius. Pressure from the cylinder causes the pads to exert friction torque on the shaft. The friction torque resists shaft rotation.

How to Calculate Braking Torque of Disc Brake?

Braking Torque of Disc Brake calculator uses Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units to calculate the Disc Brake Braking Torque, The Braking torque of disc brake formula is defined as the torque produced on the disc brake because of the line pressure of the surface of disc brakes when braking force is applied by the driver during braking operation. Disc Brake Braking Torque is denoted by Ts symbol.

How to calculate Braking Torque of Disc Brake using this online calculator? To use this online calculator for Braking Torque of Disc Brake, enter Line Pressure (p), Area of One Piston per Caliper (ap), Friction Coefficient of Pad Material p), Mean Radius of Caliper Unit to Disc Axis (Rm) & Number of Caliper Units (n) and hit the calculate button. Here is how the Braking Torque of Disc Brake calculation can be explained with given input values -> 0.054672 = 2*8*0.02*0.34*0.25*2.01.

FAQ

What is Braking Torque of Disc Brake?
The Braking torque of disc brake formula is defined as the torque produced on the disc brake because of the line pressure of the surface of disc brakes when braking force is applied by the driver during braking operation and is represented as Ts = 2*p*app*Rm*n or Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units. Line pressure is defined as the pressure acting on the surface lining of the friction disc during braking operation, Area of One Piston per Caliper is defined as the area that the piston of caliper covers when brake force is applied, Friction Coefficient of Pad Material is the frictional coefficient of the brake pad material, and it is a constant, Mean Radius of Caliper Unit to Disc Axis is defined as the distance from the center of disc brake to the center portion of the caliper & Number of Caliper Units is defined as the number of calipers that are attached to the disc pads to facilitate braking operation.
How to calculate Braking Torque of Disc Brake?
The Braking torque of disc brake formula is defined as the torque produced on the disc brake because of the line pressure of the surface of disc brakes when braking force is applied by the driver during braking operation is calculated using Disc Brake Braking Torque = 2*Line Pressure*Area of One Piston per Caliper*Friction Coefficient of Pad Material*Mean Radius of Caliper Unit to Disc Axis*Number of Caliper Units. To calculate Braking Torque of Disc Brake, you need Line Pressure (p), Area of One Piston per Caliper (ap), Friction Coefficient of Pad Material p), Mean Radius of Caliper Unit to Disc Axis (Rm) & Number of Caliper Units (n). With our tool, you need to enter the respective value for Line Pressure, Area of One Piston per Caliper, Friction Coefficient of Pad Material, Mean Radius of Caliper Unit to Disc Axis & Number of Caliper Units 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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