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Brake performance depends on two important parts: one is the brake valve, the other is the brake pad.Brake pad material depends on the stand or fall of brake performance and stability, and friends and some new car trailer braking performance is very good to replace the rear brake pads immediately reduced (not assembly said the original bridge bridge) is a factor, coefficient of friction and heat recession is most critical, average friction coefficient of the brake pad itself can not meet the braking demand so the brake performance is not ideal, if special sections or driving plateau mountainous area frequently brake temperature will rise 180 ℃ to 220 ℃ to reduce friction coefficient so that the critical temperature of thermal recession is very important.
Brake pad material depends on the stand or fall of brake performance and stability, and friends and some new car trailer braking performance is very good to replace the rear brake pads immediately reduced (not assembly said the original bridge bridge) is a factor, coefficient of friction and heat recession is most critical, average friction coefficient of the brake pad itself can not meet the braking demand so the brake performance is not ideal, if special sections or driving plateau mountainous area frequently brake temperature will rise 180 ℃ to 220 ℃ to reduce friction coefficient so that the critical temperature of thermal recession is very important, obvious feeling is soft brake foot, again how the brake effect is not obvious.
Different brake pad thermal decay temperature are different, inferior brake pad temperature not to mention the ordinary brake pad generally in 170℃-200℃, and a good brake pad at least in 200-280℃, which is more safe you can imagine.
If the performance of high-temperature braking is reduced or the braking fails, similar events often occur because of poor braking performance.The material of the brake pad cannot meet the requirements of high braking temperature, which leads to the occurrence of accidents. The friction coefficient of a good brake pad itself is 0.38-0.40 ° c, 230~290 ° c, and the friction coefficient will not decrease, and the brake drum will not be hurt. The service life of the brake pad is about 2 times that of the ordinary brake pad.
Some repair shop understanding of brake pads is not deep, basic it is common material of brake pads, of course, there are also some card friends save the maintenance cost of psychology, this itself is a mistake you are not a save maintenance cost, but increases the maintenance costs, short service life of inferior brake pads and brake drum is particularly severe injury, brake drums gradually replace 1 to 2 years, think about how much is this charge?It is suggested that the use of brake pads in line with the national standards can not only ensure the stability of the brake performance but also improve the service life.
Some friends think that just replace the brake valve can improve the brake performance of the vehicle, in fact, is wrong.Brake system is modified brake valve upgrade, it is an essential part of the whole braking system, but if what brake valve driving plateau or special roads in the mountains can't control the friction coefficient of brake pads, in other words, can't control the frequent brake linings in high temperature, of course, good braking performance may lower the temperature of the brake drum, one foot or both feet can drop to want safe speed, if the braking performance is not ideally each step two feet step on a few feet more is required, the pressure drop of 0.1 Mpa or more, the more pressure on the more cost, the more non-stop,The higher the friction coefficient of the brake pad is, the lower the vicious circle, the superior performance of the brake valve and good material of the special brake pad is complementary, both are indispensable.