We often say that tire punctures are dangerous, but who has really summarized the types of tire punctures? Today we will introduce the three main ways of tire blowout: top blowout, side blowout, and zipper blowout.
1. Top blast:
Quality issues can basically be ruled out. From the perspective of tire structure, radial tires have the highest strength in the crown, which is the top of the tire. There is only one layer of steel wire on the sidewall, and the crown usually has 4-6 layers. Most crown blowouts are caused by external force. Caused by impact.
Only when there is a gravity impact, such as going up and down potholes on the highway. Being impacted. Also, the tire was punctured and the hole was large. What should have been discarded was barely repaired and used again. It's easy to get a tire blowout. Also, after being used for a long time, the steel wire layer on the surface of the tire is scattered. If it is used again, the tread will be deformed, irregularly packaged, and then punctured. Generally, a tire puncture will not occur all at once. It has a process. Therefore, once a tire reaches its limit, it cannot be used again.
2. Side blast:
The tire sidewall is the most fragile part of the tire and is also the most prone to tire blowout. So what is the main cause of tire sidewall blowout?
Improper driving operations, such as driving on high platforms, curbs, crossing deep pits, pressing rocks at high speed, etc., may cause damage to the tire sidewalls - bulges or even punctures.
When a tire is hit, the tread will bear the brunt of the first wave of impact, but the tread is relatively tough. Generally, there are at least 2 layers of metal belts, and the tread compound is thick, and objects that are not particularly sharp cannot damage the tread. of. The second wave of impact is the sidewall. The sidewall is relatively soft and will deform and fold in half due to impact. The cords inside the sidewall will break or create gaps due to folding, which may cause tire bulges or even punctures.
The tire sidewall is the softest part of the tire. Its function is to buffer impact and transmit kinetic energy. Therefore, a wide sidewall will provide comfort, but relatively speaking, the loss of kinetic energy transmission will be greater; a narrow sidewall will enhance sports performance, but the comfort will be poor.
3. Zipper explosion
This type of tire blowout refers to a zipper-shaped tire burst that occurs along the circumferential direction of the tire side when the vehicle is driving at high speed. This type of tire damage is extremely harmful to the driving safety of the vehicle. So what causes a tire zipper to blow out?
1) The steel cord extension and rupture caused by overloading means that the tire cargo load is too large and the inflation pressure is too high, causing the carcass steel cord to rupture due to excessive stress.
2) The flexural fatigue fracture of the steel cord has a certain relationship with the usage conditions of the tire. The tire inflation pressure is too low. When braking and turning repeatedly, the steel cord will fatigue fracture, and the rubber will easily separate from the steel cord.
3) The wear of the steel cord causes its overload extension and fracture, causing a tire blowout.
How to prevent tire blowouts
There are many reasons for a tire blowout, such as tire aging, excessive wear, too high or too low tire pressure, etc. So what can you do to prevent a tire blowout?
1. Check tires frequently
Check your tires frequently and maintain them well. We usually check the tires frequently when using the car to check for tire damage, bulges and other phenomena, so we need to replace new tires in time.
2. Adjust tire pressure in time
There are clear standards for tire pressure. Too high or too low tire pressure will cause a puncture. With the arrival of summer, the tire rubber softens and the tire is more likely to deform. Excessive tire pressure will increase the internal pressure of the tire, and the softened rubber will be more easily broken by the pressure. If the tire pressure is too low, the tire will deform more seriously when bearing weight, which will cause internal crushing of the tire, and excessive crushing can also cause a puncture. Therefore, it is necessary to check the tire pressure frequently or equip it with a tire pressure monitor. It is necessary to pay attention to the tire pressure at all times.
3. Avoid sudden acceleration and braking
When the temperature reaches 35°C to 37°C and the car is traveling at a high speed of more than 100 kilometers per hour, sudden acceleration and braking should be avoided as much as possible, because in this case, tire wear and instantaneous pressure increase are very likely to cause a puncture accident.
4. Avoid overloading
Each tire has a rated load limit. Once the weight carried is too high, it is easy to cause a puncture. During high-temperature and fast driving, when the tire is overloaded for a long time, it is easy for a puncture to occur.
5. Remember to pour water to cool down
When driving on the highway in summer, try to stop at a service area every two or three hours to give the tires a rest. Remember to pour cold water directly to cool down. This method is more dangerous. It is easy for the internal structure of the tire to change due to sudden cooling, which accelerates tire damage and may lead to a puncture.
Finally, pay attention to whether there are bulges or other trauma on the tire surface, keep the tire surface clean, and if excessive wear is found, repair and replace the tire immediately.