[China Aluminum Network] In fact, the aluminum ring actually contains other metals, such as iron, so it should be called aluminum alloy wheels. Compared with the ordinary aluminum ring, the iron ring has good toughness and poor hardness. The aluminum ring is the opposite, but the hardness is good but the toughness is poor. Therefore, the driver will find that there is no change in the iron ring after the potholes on the road. It will begin to shake at a speed close to 100km/hr because it is stamped and the contour and mass weight are not accurate. Causes unbalanced moment of inertia and jitter.
Aluminum rings generally do not have high-speed driving jitter
In order to enhance the heat dissipation of the braking system, many cooling holes are left, and at the same time, the strength of the hoops is weakened, so that the ability to resist deformation when impacted is deteriorated. But the low cost of stamping production is its main advantage, with more hoops on the basic models.
The aluminum ring is generally free from high-speed running vibration. Because it is a cast molding, it needs to detect the internal holes, and the outside of the rotor is turned. The contour and mass accuracy is high, and the result is that the rotation balance is better than the iron ring. Moreover, the aluminum ring is light in weight and can be made thicker than the iron ring, and it also has a bonus effect on the acceleration performance of the vehicle.
Whether it is iron rings or aluminum rings, it should be regularly checked for damage.
In addition, the heat dissipation capacity of aluminum alloy is better than that of the iron ring, and it also adds bonus to the braking performance. After a long journey, you should deal with cleaning and maintenance of tire rims. Whether they are iron rings or aluminum rings, you should regularly check whether there is deformation and damage, and whether they need to be replaced. Otherwise, problems such as slow brakes and abnormal tire wear may occur. Driving safety.
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