Why are drum brakes used for rear brakes?
Drum brakes generate consistent braking force whether the vehicle travels forward or backward. This is because drum brakes generate the same braking force in either direction. Generally, this type is used for the rear brakes of passenger cars. 2.
What is the importance of drum brake self adjusters?
The Importance of Drum Brake Self Adjusters. See more from Brake & Front End. Drum brakes have return springs to return the shoes to a rest position and hardware to hold the shoes to the backing plate. The shoes return to a fully retracted or rest position when the pressure to the wheel cylinder is released.
What are the Pistons in a drum brake?
Contains two pistons, one at each end of the cylinder, to operate the brake shoes. The cylinder applies pressure to the pistons, which pushes the brake shoes towards the drum, slowing or stopping the car. One cylinder is needed per wheel.
How does the handbrake work on a drum brake?
A ratchet on the handbrake lever keeps the brake on once it is applied. A push-button disengages the ratchet and frees the lever. On drum brakes, the handbrake system presses the brake linings against the drums.
What are the components of a drum brake system?
Some of the major components of the drum brake assembly are the back plate, the brake drum and shoe, the wheel cylinder, and various springs and pins.
What are the parts of drum brakes?
Main Parts Of Drum Brake: Some of the major components of the drum brake assembly are the back plate, the brake drum and shoe, the wheel cylinder, and various springs and pins. Back plate. The back plate serves as the base on which all the components are assembled.
What is a drum brake system?
Drum Brakes. A drum brake system consists of hydraulic wheel cylinders, brake shoes and a brake drum. When the brake pedal is applied the two curved brake shoes, which have a friction material lining, are forced by hydraulic wheel cylinders against the inner surface of a rotating brake drum.