Is the car hub made of pig iron?
The alloy wheel hub has the advantages of light weight, high manufacturing precision, large strength, low inertia resistance, strong heat radiation ability, good visual effect, etc. the defect is that the manufacturing process is complex and the cost is high.
Alloy wheels are mostly made of aluminum, and the elements such as manganese, magnesium, chromium and titanium are added as the basic material. Compared with steel wheel hub, alloy wheel hub has the characteristics of energy saving, safety and comfort, so more and more cars have been listed as standard. Let's take a look at the three major features of alloy wheels.Energy saving: 1 alloy wheels of light weight, high manufacturing precision, small deformation in high speed rotation, inertia is small, is conducive to the improvement of the car straight line driving performance, reduce the tire rolling resistance, thereby reducing fuel consumption.2 safety: the thermal conductivity of aluminum alloy is three times of the steel, the cooling effect is very good, thereby enhancing the braking performance, improving the service life of the tires and brake discs, effectively ensuring the safe driving of the car.3 comfort: cars equipped with alloy wheels generally use cushioning and shock absorption performance than flat tires of ordinary tires, so that the car on uneven roads or high-speed driving, comfort greatly improved.
The steel wheel hub has the advantages of simple manufacturing process, relatively low cost and strong metal fatigue resistance. However, the disadvantages are obvious, such as large weight, large inertia resistance, poor heat dissipation and so on.
