February 15, 2024

What is the main part of the disc brake?

The main part of a disc brake system is the brake caliper. The brake caliper houses the brake pads and is responsible for applying force to them, which in turn presses them against the rotor (disc), causing friction and ultimately slowing down or stopping the vehicle. When you press the brake pedal, hydraulic pressure is generated, which pushes the pistons inside the brake caliper, forcing the brake pads to make contact with the rotor and create the necessary friction to stop the vehicle.

Car mechanic hands replace brakes in garage. Car mechanic hands replace brakes in garage. Mechanic technician worker installing car wheel at maintenance. Worker changing brake disc. Brake disc installation concept. - can use to display or montage product or make a website for service Car disc brakes stock pictures, royalty-free photos & images

What are the 3 major components in the disc system?

The three major components of a disc brake system are:

  1. Brake Caliper: The brake caliper houses the brake pads and is responsible for applying force to them. It contains pistons that are actuated by hydraulic pressure when the brake pedal is pressed, causing the brake pads to clamp onto the rotor and create friction.
  2. Brake Rotor (Disc): The brake rotor, often referred to simply as the “disc,” is a flat, circular metal component that rotates with the wheel. When the brake pads are pressed against the rotor, friction is created, which slows down or stops the rotation of the rotor and, consequently, the vehicle.
  3. Brake Pads: Brake pads are friction materials that are held within the brake caliper. When the brake pedal is depressed, the caliper forces the brake pads against the rotor, creating friction that slows down or stops the vehicle. Brake pads wear over time and need to be periodically replaced to maintain proper braking performance and safety.

Brake disc rotor without wheels Brake disc rotor without wheels. Automotive industry and garage concepts. Selective focus Car disc brakes stock pictures, royalty-free photos & images

What is behind the brake disc?

Behind the brake disc, you typically find the other components of the brake system, such as the brake caliper, brake pads, and sometimes the brake rotor shield or dust shield.

  1. Brake Caliper: This component houses the brake pads and applies pressure to them when the brake pedal is pressed. It is mounted behind the brake disc and contains pistons that push the brake pads against the rotor to create friction and slow down or stop the vehicle.
  2. Brake Pads: These are situated inside the brake caliper and make direct contact with the brake disc when the brakes are applied. They provide the necessary friction to slow down or stop the vehicle.
  3. Brake Rotor Shield (Dust Shield): This is a thin metal plate located behind the brake rotor. Its purpose is to shield the braking system from road debris, dust, and water. While not present in all vehicles, it’s a common feature in many to help protect the brake components and maintain their effectiveness.