Car wheel manufacturers say how long it takes for car tires to be replaced?


The tire specifications of automobile wheels mainly depend on which parts the international standard tire code consists of six parts, 1. tire width, 2. the percentage of tire section height and aspect ratio, 3. tire type code, 4. rim diameter (inches), 5. Load index (allowable bearing quality code), 6. Allowable vehicle speed code. Next, take a tire from Aotai as an example: 265——means the tire width is 265MM 35——means the aspect ratio of the tire section is 35% (aspect ratio = cross-section height/cross-section width x100%) R——means Change the tire to radial tire 22—means the rim diameter is 22 inches 110—refers to the load index of 110, which means that the tire can carry a maximum load of 110 kg W—refers to the speed level of 270 km/h XL—reinforces the sidewall more For the relevant knowledge of the car wheel, please click to visit directly. The tire is one of the important parts of the car. It directly contacts with the road surface and works together with the car suspension to ease the impact of the car while driving and ensure the car has a good ride. Comfort and ride comfort; ensure good adhesion between the wheels and the road surface, improve the traction, braking and passability of the car; bearing the weight of the car, the important role played by tires on the car is more and more popular attention. The aspect ratio of the tire, also called the aspect ratio, refers to the aspect ratio of the tire section.

The flat rate on the tire specification marking is displayed as a percentage. The smaller the flat rate, the wider the tire section. Wide-section tires have a large ground contact area, low ground specific pressure, low wear, small rolling resistance, and strong lateral stability.

Under the same load capacity, the diameter of wide-section tires is smaller than that of ordinary tires, which can lower the center of gravity of the vehicle and improve the driving stability of the vehicle. Therefore, wide-section tires are widely used in high-speed cars and racing cars. The use of tires generally should not exceed 3 years, and the mileage should not exceed 60,000 kilometers.

Of course, a little more than the age and mileage will not affect the overall situation, but the low temperature in winter and the rain in summer will make the wet grip and dry handling of the tires "stretched". Pay more attention to the sidewall: As tire rubber ages, deep lines develop on the sidewall of the tire. But as long as the sidewall of the tire is not impacted and the cord is not broken, it can continue to be used.

The triangular mark on the sidewall of the tire can help the owner find a protrusion in the groove of the crown, which can determine the actual wear limit of the tire, which value should be greater than 1.6 mm. Accurate selection of proper tires Car tires: can be divided into ordinary car tires, sightseeing car tires and sports tires. Ordinary car tires will focus on safety, reduce energy consumption and improve durability; sightseeing car tires will tend to increase the load capacity and durability of tires; sports tires will pay more attention to handling performance.

Off-road tires: can be divided into high-speed tires, mud tires and comprehensive tires. High-speed tires are suitable for driving on paved roads, but the sidewall support is slightly weaker; mud tires have deeper markings and are suitable for driving on non-paved roads, but the fuel consumption of the vehicle will be slightly higher; comprehensive tires have the advantages of both, eliminating Both have shortcomings, but both have made concessions. 1. Pay attention to safety when inflating tires. Use a barometer to check the air pressure of the tires at any time to avoid tires bursting due to excessive inflation.

2. After the vehicle stops running, it is necessary to wait for the tire to dissipate heat before inflating, because the temperature of the tire will rise when the vehicle is running, which will have a certain impact on the air pressure. 3. Check the valve. If the valve and the valve core are not matched smoothly, there are protrusions and recesses and other defects, it will cause inconvenience in inflation and measurement of air pressure. 4. When inflating, pay attention to the condition of the tire. The inflated air should not contain water or oil to prevent the tire rubber from deteriorating and being damaged.

5. When inflating, do not exceed the standard air pressure and then deflate it, and do not inflate too much because it cannot be inflated for a long time. If it exceeds the standard, the cord will be stretched too much, causing a decrease in strength and affecting the tire. lifespan. 6. Before inflating the tire, wipe off the dust on the valve, and do not loosen the valve core. After inflation, apply soapy water on the valve to check for air leakage, and fit the valve cap tightly. , to prevent sediment from entering the inside of the valve. 7. When inflating a radial tire, due to its structure, the sinking amount and grounding area are relatively large, and it is often considered that the inflation is insufficient and there is too much inflation. On the contrary, because of the large sinking amount and grounding area , It is also mistakenly considered sufficient when the air pressure is insufficient.

8. The air pressure gauge on the vehicle or the air pressure gauge used by the tire worker must be checked regularly to ensure that the air pressure gauge is checked accurately.

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