How Does a Car Braking System Work?
1 Answers
Car braking system working principle: It utilizes the mutual friction between the non-rotating components connected to the vehicle body (or frame) and the rotating components connected to the wheels (or drive shaft) to prevent the rotation of the wheels or the tendency to rotate. The kinetic energy of the moving car is converted into frictional heat energy and dissipated into the atmosphere. Here is more information about the braking system: 1. When the braking system is not engaged: There is a gap between the brake shoe and drum, allowing the wheels and brake drum to rotate freely. 2. During braking: To decelerate the car, the brake pedal is pressed, which activates the push rod and master cylinder, causing the master cylinder fluid to flow into the wheel cylinders under pressure. The wheel cylinder pistons then push the brake shoes to pivot around their support pins, causing the upper ends to separate and press their friction linings against the inner surface of the brake drum. The stationary brake shoes create a frictional torque on the rotating brake drum, thereby generating braking force. 3. Releasing the brake: When the brake pedal is released, the return mechanism pulls the brake shoes back to their original position, and the braking force disappears.