A brake caliper is a crucial component of a car's disc brake system. Its design resembles a clamp or caliper that surrounds a brake disc, also known as a rotor. Brake calipers are responsible for applying the pressure necessary to stop or slow the wheels in motion by generating friction against the brake discs.
Function of the brake caliper
The primary function of the brake caliper is to convert the kinetic energy of the wheels into heat through the friction generated by the brake pads. This heat dissipates the kinetic energy and stops the wheel from moving. Here is how it works in detail:
- Hydraulic pressure: the vehicle's hydraulic brake system is responsible for sending brake fluid under pressure to the brake caliper. Hydraulic pressure is generated by the brake pedal and transferred through the brake lines.
- Brake pads: Inside the brake caliper is a series of brake pads. These pads are lined with high-strength friction material and are in constant contact with the brake discs.
- Friction generation: When the brake pedal is applied, hydraulic pressure pushes the brake pads towards the brake disc. This contact generates friction, which converts the kinetic energy of the wheels into heat.
- Stopping or slowing: the friction generated by the brake pads slows the wheels down or stops them completely, depending on the amount of pressure applied to the brake pedal.