At present, the hidden danger of tires has become the "biggest killer" of traffic accidents in China. Information from the traffic control department shows that at present, 70-80% of traffic accidents on highways in China are caused by tire pressure, 46% are punctured, and major traffic accidents caused by punctures account for 35% of all traffic accidents. Traffic accidents in the United States are Up to 80% of the tire pressure problems arise. Caused by the proportion of puncture, tire pressure is too high 20%, tire pressure accounted for 57%, other only accounted for 23%, punctured when driving speed is above 160 km, mortality is close to 100%, puncture is currently One of the major killers of car traffic accidents.
Three causes of a puncture:
One is tire leakage. Tyres are pinched by nails or sharp objects, causing leakage and causing punctures.
The second is high air pressure. As a car runs at a high speed, the tire temperature rises, the air pressure rises, the tire deforms, the elasticity of the carcass decreases, and the dynamic load on the car also increases. If it encounters an impact, it will produce internal cracks or punctures.
The third is insufficient tire pressure. When the car is running at a high speed (speed exceeds 120Km/H), the lack of tire pressure can easily lead to "harmonic vibration" of the carcass and thus cause huge resonance force. If the tire is not strong enough or has been "injured", it is easy to puncture the tire. In addition, insufficient air pressure increases the amount of subsidence of the tire, and it is easy to cause the tire wall to touch the ground during a sharp turn. The tire wall is the weakest part of the tire, and the tire tread can also cause a puncture.
Of these three reasons, the third is the most common. When the vehicle is running in lack of air, as the tire pressure decreases, the friction between the tire and the ground increases exponentially, the temperature of the tire increases sharply, the tire becomes soft, and the strength decreases rapidly. In this case, if the vehicle is at a high speed, it is likely to cause a puncture. If the vehicle is running at low speed, it will also cause serious damage to the tire. This kind of injury has a long incubation period, a great concealment, and a danger that cannot be ignored. It also conceals the potential for punctured tires when driving at high speeds.
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