Recently, articles and advertisements about the repair of aluminum alloy wheels have been frequently seen, and some advertisements even claim that they can repair deformed and broken aluminum alloy wheels. So can the aluminum alloy wheel be repaired? We can tell everyone here responsibly, do not try to repair the wheel hub that has been deformed and broken, it will be very dangerous to continue to use such a repair wheel!
Under normal circumstances, if your aluminum alloy wheel is deformed or broken, it must be caused by a strong external force impact on the wheel due to careless driving.
According to the advertisement of the roadside shop, the fracture or crack of the aluminum alloy wheel hub can be repaired by welding, but from a scientific point of view, the metal crystal structure at the weld joint after welding is completely different from the metal structure of the normal wheel hub. In normal molten state, the metal of the hub is cooled and crystallized successively under a certain pressure, and then quenched and tempered by solid solution and effective treatment. Welding is only a process of local melting and solidification. After welding the wheel hub, there must be welding seam stress at the weld seam. After a period of load operation, it is very likely that fatigue cracks will occur in the high stress area of the wheel hub, resulting in fracture. If it is not found in time, serious consequences can result.
Similarly, if your aluminum alloy wheel is deformed by external force impact, and it is forcibly restored to its original state by external force in the repair shop, even if your wheel is plastically deformed in these two times, fortunately, there are no small cracks that we cannot find with the naked eye. The overall stress distribution of this hub has also changed significantly from the original design, and with it the unpredictable fatigue crack somewhere, then fracture.
As for the scratches on the surface of the wheel hub, we recommend that small scratches do not need to be treated, because the scratches mainly occur on the front wheel, and the majority are on the front right wheel. If for aesthetic reasons, you can choose this wheel as a spare tire . Aluminum has a characteristic that it is exposed to a corrosive environment for a long time, and its surface will form a dense oxide protective film to prevent the body from being further oxidized, so there is no need to worry about it being corroded. If the scratch is relatively large, it is recommended to replace the hub, because the design of the hub is that the spoke surface does not protrude beyond the tire. If your wheel surface can have a large area of scratches, it must have received a small impact, so For the reasons stated earlier, it is best to replace the wheel with a new one. Regarding the precautions for wheel replacement, we will elaborate on another topic.
In addition, there are advertisements saying that wheel hubs can be re-turned, repainted, painted, electroplated, polished and other refurbished treatments. In addition to the polishing repair of polishing wheels, we do not recommend other refurbishments because of regular production The painting and electroplating process of aluminum alloy wheels in China is very complicated. Even when there is a slight deviation in mass production on the regular production line, defects such as paint film and coating adhesion are not up to standard, and vacuum bubbles appear on the surface. So roadside shops simply don't have the ability to do this. Even if they do it at their expense, the cost of refurbishment will be much higher than the price of the wheel itself. Then there is the so-called turning and refurbishing of bright wheels, which is even more unreliable. The machining of alloy wheels is performed by CNC lathes according to the input product processing program. The repair shop does not have a product map of refurbished wheels at all. What does he need to compile the processing program? If the amount of processing cannot be controlled, the strength of the hub will be greatly reduced, and the danger of such a wheel mounted on a car can be imagined.
In summary, the repair and refurbishment projects of alloy wheels announced by some repair shops at present are not feasible at all, and there is no need to do them. If the wheels on your car are really not working, then Go to the market to change your favorite style. Do not trust the so-called "repair and refurbishment" of alloy wheels. After all, wheels are an important safety part on the car, and they bear the safety of your life and your family. If you want to buy China aluminum wheels in bulk, you can contact us.
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