What are the causes of brake drum breakage
The brake drum is a cast iron similar in shape to a tambourine, which is relatively wear-resistant in use, but it will wear out for a long time, which requires us to carry out some maintenance of the brake drum in daily use. But only maintenance is not enough, we need to fundamentally prevent its loss is the most important. What causes the brake drum to break easily?
1, the brake drum is made of cast iron, so wear-resistant, but after all, some brittle, long-term wear, will cause it to thin, cracks, broken, not only will lead to brake failure, and even can fly to hurt people.
2. Overload. When the truck is overloaded, frequent braking leads to adhesion or poor heat dissipation affecting the braking effect, therefore, most of the current large trucks are modified, either to install a drip device, or install a "brake king", although these two devices can increase the braking effect of the overloaded truck, but also directly accelerate the cracking of the brake drum.
3, the brake is very hot, into the pool. Many high-speed downhill sections will design a cooling pool halfway up the mountain to cool the brake drum. If the temperature of the brake drum is too high, it is easy to cause cracks directly into the pool, and even burst.
4, usually do not pay attention to inspection. Some sloppy drivers usually do not pay attention to their own brake drum situation in the end is how, in the usual maintenance of the car, should pay more attention to observe the thickness of the brake drum, whether there is too serious cracks.
In addition, the abnormal braking force makes the wheel lose a lot when it friction with the ground, which will cause the tire to wear off, lose the circle, miss the wire, and the life can not reach the design mileage. Continuous braking operation when going downhill is more dangerous, the brake drum will be seriously lost, and even cause serious accidents such as overheating of the brake system and burning of the vehicle! Therefore, we must regularly check whether the brake drum is damaged, and then replace it in time to avoid danger.
Editing by wmm
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