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    What is the brake system?

    The braking system is mainly composed of energy supply device, control device, transmission device and brake.

    1. The braking system is a series of special devices that can make the driving speed of the vehicle be reduced forcibly. The main function is to slow down or even stop the running car, keep the speed of the downhill car stable, and keep the stopped car stationary. The brake system of ordinary automobile is mainly composed of brake pedal, vacuum booster, master cylinder (master cylinder), slave cylinder (wheel cylinder), brake drum (or brake disc) and pipeline.

    2. Working principle of braking system. After stepping on the brake pedal, the car transmits the force from the foot to the brake through the brake fluid. In fact, the force required for braking is much greater than the force exerted by your feet, so the car must amplify the force exerted by your feet. There are two ways to amplify: mechanical benefit (leverage) hydraulic amplifying brake transmits the braking force to the tire through friction, and the tire transmits the braking force to the road surface through friction.

    3. The greater the pressure on the brake pad, the greater the braking force of the vehicle. The distance between the pedal and the brake shaft is four times the distance between the brake cylinder and the brake shaft, so the force applied on the pedal will be amplified four times before being transmitted to the brake cylinder. The diameter of the brake cylinder is three times that of the hydraulic cylinder connected to the pedal, which enlarges the braking force nine times. To sum up, this system amplifies the force generated by the foot by 36 times. If you apply a force of 10 kg to the pedal, the force to squeeze the brake pad at the wheel will reach 360 kg.