Views: 0 Author: Site Editor Publish Time: 2022-09-28 Origin: Site
The material of the front brake disc is steel, and the brake disc of this material is used because of its good wear resistance and mechanical strength, as well as low braking noise.
What is the role of the front brake disc in the whole car?
What is the difference between front brake disc and rear brake disc?
Why are front brake discs more prone to wear?
The braking system of the car is very important, this system is related to the driving stability and driving safety of the car. The braking system of an automobile is mainly composed of a vacuum booster pump, a master brake cylinder, a brake wheel cylinder, a front brake disc and a rear brake disc. When the driver depresses the brake pedal, the vacuum booster pump provides a boost, which helps the driver depress the brake pedal.
In fact, the biggest difference between the front wheel brake disc and the rear wheel brake disc is that the front wheel brake disc is larger. This is because when the car is braking, the center of gravity of the front and rear wheels will be very forward, and the pressure on the front wheels will be great at this time. This is the reason why the front brake disc is larger than the rear brake disc.
The larger front brake discs and pads on the front wheels indicate more friction throughout the braking process, which means better braking than the rear wheels. The engine of most cars is installed in the front of the car, resulting in the heavier weight of the front of the car, and the greater the pressure, the greater the inertia. Therefore, when braking, the front wheel of the car naturally needs more friction, and the brake disc naturally becomes larger.
On the other hand, when braking, mass transfer occurs. Although the surface of the car looks relatively stable, in fact, under the action of inertia, the whole car is still moving forward. At this time, the center of gravity of the car moves forward, and the pressure on the front wheels suddenly increases. The faster the speed, the greater the pressure. So the front wheels naturally need better brake discs and front brake discs to stop, which is also for our driving safety.
Through the above thinking, we can understand why the front brake disc wears out so much faster than the rear brake disc, which is actually the influence of inertia. Because the weight of a car driving on a flat road is constant, inertia will only make the force point move forward, and the front wheel will be heavier, generally accounting for 70% of the entire vehicle. Correspondingly, the weight of the rear wheel will be lighter, so even if the brake disc and pad of the rear wheel are not as large as the front wheel, the wear rate will not be as fast as the front wheel.
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