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MOTORCYCLE DISC BRAKES : D
5
BRAKE SYSTEM OF MOTORCYCLE :D
Brake Rotor
G #
Brake Rotor
Group #2
G #2
Group Members
:D
Introduction
Theory :D
Kinetic Energy → Heat Dissipation → Stop!
Wheel Structure :D
Disc Brake Function :D
:D
The Disc Brake system includes the hydraulic circuit which exploits Pascal's Principle.
Pascal's principle:
When an externally applied pressure on a confined fluid is transmitted uniformly in all directions.
Example: hydraulic presses and jacks.
Hydraulic
Circuit
Function :D
Application :D
The B.R.A.K.E.!!!!!
Torque = Radius x Force
Theory
Braking Torque (Tb) is the moment of
braking force about the center of rotation
Tb = Fb x re
Where re is the effective disc radius
re
Fb
Hypothesis: The disc radius
The Former 280 mm The latter 350 mm
Effective disc radius X Piston area X coefficient of friction
F: 114.05 X 1133.54 X 0.5 = 64640.12
L: 149.05 X 1133.54 X 0.5 = 84477.07
Let's do some math :D
L 84477.07
1.3
= =
F 64640.12
Conclusion:
The bigger the torque, the better the braking effect.
To sum up...
Application:
Category: Fixed & Floating
Design: Round - basic
Spray - lightweight & cooling
Ventilation - cooling & extend the life of the brake pads
Material: foundry iron & stainless steel
& composite materials
Factors that will affect the effectiveness of the braking system
Factors :D
Pressure
First of all the PRESSURE.
The harder you pull the lever, the faster your bike will stop. The force you put on the lever will transmitted to the whole system and then bring out enough force the stop the vehicle.
Pressure
Frictional Contact Surface
Is the surface area in contact with the frictional brake material while braking.
Caliper
Frictional Contact Surface
Brake linings
Heat Dissipation
Heat Dissipation
Brake Fade is commonly caused by excessive heat build up during braking. So the biggest factor that effects brake system is how the disc dissipate heat efficiency.