What are the advantages of aluminum alloy rims?

1. Fuel saving: After measurement, each aluminum ring can be 2 kilograms lighter than the iron ring, so a car can be at least 8 kilograms lighter. According to Japanese experiments, for every 1kg weight reduction of a five-seater car, about 20l gasoline can be saved every year. The research report published by the American Society of Automotive Engineers pointed out that although aluminum alloy wheels are more expensive than ordinary steel wheels, when each car runs to 20,000 kilometers, the fuel cost saved is enough to cover the cost.

2. Increase engine life: According to the curve of engine load and power, when the load increases to a certain extent, its power will decrease, and this marginal value will mean that the engine will be more difficult for every unit load at this time, and the engine load will be reduced, which can reduce faults and prolong life.

3. Good heat dissipation: the thermal conductivity of aluminum alloy is three times that of steel. The heat dissipation effect is good, and the tire can be kept at a proper temperature when driving at a long distance and high speed, so that the brake drum and tire are not easy to age, the service life is prolonged, and the chance of tire puncture is reduced.

4, good roundness: the accuracy is as high as 0.05mm, and the running balance performance is good, which is conducive to eliminating the phenomenon of overlong body and steering wheel jitter.

5. Sturdy and durable: the impact resistance, tensile strength and thermal strength of aluminum alloy wheels are higher than those of steel wheels. This is one of the reasons why aluminum alloy plays an important role in national defense industry and aviation industry.

6, beautiful: due to the limited production, the general steel wheel hub is monotonous and lacks change; Aluminum alloy wheels have a variety of designs, plus good luster and color effect, thus improving the value and beauty of the car.

What are the advantages of automobile aluminum alloy rim?

The following are the advantages of automobile aluminum alloy rim: 1. Good heat dissipation: the heat transfer coefficient of aluminum alloy is three times larger than that of steel. Compared with steel wheels, aluminum alloy wheels can conduct these heat into the air faster and increase the safety factor. 2. Light weight: The specific gravity of aluminum alloy wheels is less than that of steel wheels, and each wheel is about two kilograms lighter than that of steel wheels of the same size on average. Excluding spare wheels, the total weight can be reduced by eight kilograms, and the lighter wheels can also reduce the resistance when starting and accelerating, which together make the vehicle more fuel-efficient. 3. High precision: the precision of aluminum alloy wheel hub casting is much higher than that of steel wheel hub, and the out-of-roundness and unbalanced weight are small; In addition, the elastic modulus of aluminum alloy is small, and its seismic performance is better than that of steel wheel hub. 4. More beautiful: the fluidity and tension of aluminum alloy in high-temperature liquid state are better than that of steel wheel hub, and the later polishing and electroplating process can make it more beautiful and changeable; Surface anti-corrosion treatment and electrostatic powder coating also make it last as long as new.

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