The role of the car brake pad is very important for the car, is irreplaceable, so the brake pad is a vital part of the car, related to personal safety, then what is its main performance? The following car brake pad manufacturers to explain to you!
The performance of the same brake pad is very different at different temperatures, different speeds, and different brake pressures.
1, braking performance: refers to the normal braking state (brake temperature is relatively low) in the case of brake pads braking capacity (friction coefficient).
2, decline performance: in downhill road conditions such as mountain roads, the brake continuous braking, the temperature rises rapidly, the brake disc may reach four, five hundred or even to seven hundred degrees Celsius above the temperature. The braking ability of the brake pads will become worse, and the braking distance will increase. This phenomenon is called a recession, and we want it to be as small as possible. The decline rate of good quality brake pads is very small, some even do not decline, and some shoddy products decline very seriously, and almost lose braking ability at high temperatures.
3, recovery performance: After high temperature decline of the brake pads, when the temperature drops, whether can restore the original braking performance as soon as possible? This is also the importance of measuring the quality of brake pads
4, brake pad wear: it is the wear of brake pads when they are used. The braking effect depends on the formula and process of the friction material, such as carbon fiber brake pads can be used for hundreds of thousands of kilometers without replacement, in addition to the wear of the brake itself, but also consider the wear of the brake pads. In the braking process, good quality brake pads will generate a protective film on the friction surface of the brake disc, reducing the wear of the brake disc, while poor quality brake pads contain a lot of hard points and impurities, which will pull out many grooves on the surface of the brake disc, accelerating the wear of the brake pad and the brake disc.
5, noise in advocating environmental protection now, this is also a very important indicator, in fact, there are many factors causing brake noise, brake pads are only one of them. It is generally believed that if the hardness of brake pads is too high, it is easy to produce noise.
6, brake pads other shear strength, hardness, compression, thermal expansion, water absorption, adhesion and other performance indicators.
Post time: Aug-22-2024