If the standard air pressure is too low, the embryo will become larger and the side wall will crack very easily. At the same time, it will cause buckling and fitness exercise, cause excessive combustion, promote embrittlement of vulcanized rubber, fatigue of tire cord layer and fracture of steel cord, expand the total area of tire grounding device and accelerate the damage of tire shoulder. Moreover, the tire pressure is closely related to the performance of the car, such as comfort and traffic flow, which will also endanger the service life of the tire. Standard air pressure is the key to tires. Too high or too low will reduce the service life of tires.
If the standard air pressure of automobile tire is too high, the tire steel cord will be excessively stretched and deformed, and the tire ductility will be reduced, which will increase the load on the automobile during operation. Internal cracks and engineering blasting will be formed in case of impact. At the same time, too high standard air pressure will accelerate the tire crown damage and reduce the rolling resistance.
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