aluminum alloyhubCompared with the steel ring, it has many good features, such as: the wheel hub of the same specification can reduce a lot of weight, has sufficient strength, is not easy to corrode, the die-casting process is simple, and can be designed into any shape to meet people's aesthetic requirements.
theAluminum alloy wheelsIt is not only used for decoration, but also an important part that determines the safety of the car. It needs to have enough strength to withstand various loads generated when the car is running, so the material of the aluminum alloy wheel hub is relatively expensive.
The polishing process of aluminum alloy wheel hub repair includes shaping: first, use an aluminum file or grinding head to trim the scratched part of the wheel hub or the protruding part of the welded part to make it shape, and check each surface with a curved ruler, and the error is less than 0.5mm.
Rough grinding: Grind the surface with 80~400 dry sandpaper one by one, carefully grind the curved or irregular parts with cushion support sandpaper, slightly higher than the base surface as fine grinding allowance, filling: check whether there are pores, concaves on the polished surface Fill the marks with putty or aluminum putty.