How to maintain the car hub?

Hub: also called rim. RIM means hub in English. Generally speaking, the axle is installed in the center of the wheel and is an important part connecting the brake drum (or brake disc), the wheel disc and the half shaft. Sleeve the bearing on the axle tube or steering knuckle journal.

The wheel hub is mainly divided into casting and forging from the manufacturing process. Generally speaking, casting rings are made of aluminum, while forging rings are made of aluminum or titanium. Generally speaking, forging rings are strong and used in racing cars. The weight of the first-class forged ring used in racing cars is half that of our ordinary cast ring. The lighter the weight, the smaller the power loss of the car and the faster the driving speed.

Another distinguishing index of hub is the difference between hole distance and eccentricity. The hole spacing is simply the position of the screw, and the eccentricity reflects the distance from the hub surface (fixed surface) used to tighten the screw to the hub centerline. The requirements of a good hub are: uniform density, round shape, small thermal deformation and high strength.

The hub can be updated. Some people upgrade their cars to bigger wheels, but the outside diameter of the tires remains unchanged, the tire flatness becomes larger, the lateral sway of the car becomes smaller, and the stability is improved, but the comfort of the car is lost.

The matching of tires and wheels is like the matching of clothes and shoes in a car, which can complement each other.

Protection hub

Most of the wheels of luxury cars are made of aluminum alloy. This kind of wheel hub looks beautiful, but it is also exquisite. In order to maintain the beautiful appearance of the hub, in addition to paying special attention to prevent the hub from being accidentally damaged during driving, it is also necessary to maintain and maintain the hub regularly. If you have time, clean it thoroughly once a week

1. Wash away the sand attached to the wheel hub surface and the dirt that is easy to damage the wheel hub. Otherwise, the alloy surface will be corroded and damaged.

2. Treat the inner and outer surfaces of the wheel hub with acid-resistant cleaner. It is best to wax the hub once every two months, which can prolong the service life of the hub.

Note: In order not to damage the protective layer of the hub surface itself, paint brightener or other abrasive materials cannot be used on the hub. When the alloy protective paint is damaged, such as being scratched by hard objects during driving, the alloy wheel hub should be repaired as soon as possible and repainted. It's best to go to a professional maintenance station.