Steel rings, also known as hubs, are an important part of semi-trailers. The “hub” and “tire” are two completely different parts. The so-called "tire" is the rubber part of the trailer, which is itself soft, so the inner profile of the tire supports the drum, and the center is the wheel mounted on the shaft.

Maintenance method of steel ring:

1. When the temperature of the steel ring is high, it should be allowed to cool after it is naturally cooled. Never use cold water to clean it. Otherwise, the aluminum alloy steel ring will be damaged, and even the brake disk will be deformed to affect the braking effect. In addition, cleaning the steel ring with a cleaning agent at a high temperature causes a chemical reaction on the surface of the steel ring, which loses luster and affects the appearance.

2. When the steel ring is covered with hard-to-clear tar, if the general cleaning agent does not help, try to remove it with a brush, but do not use a hard brush, especially an iron brush, to avoid damage to the surface of the steel ring.

3. If the vehicle is wet, the steel ring should be cleaned to avoid corrosion of the aluminum surface.

4. After cleaning, if necessary, the steel ring can be waxed and maintained to keep its gloss forever.

Advantages of aluminum alloy steel ring:

1, energy saving, heat dissipation is good. The use of aluminum alloy rims can reduce the weight of the whole vehicle and reduce the rotational inertia of the wheels. It is an increase in the acceleration performance of the vehicle and reduces the need for braking energy, thereby reducing fuel consumption.

2. High security. For high-speed vehicles, high-temperature punctures due to tire ground friction, braking, etc., and reduced braking efficiency are common. The heat transfer coefficient of aluminum alloy is three times that of steel and iron, and it is easy to dissipate the heat generated by the tire and the chassis to the air. Even in the case of long-distance high-speed driving or continuous braking on downhill roads, the vehicle can maintain an appropriate temperature and reduce the tire blow rate.

3. High carrying capacity. The load capacity of aluminum alloy steel rings is five times that of ordinary iron rings. The forged wheel is deformed by 5 cm after being subjected to 71,200 kg. The iron ring has been deformed by 5 cm after only 13600 kg. In other words, the strength of the aluminum alloy rim is five times that of the iron steel ring.

4, beautiful appearance. The flowability and tension of aluminum alloy in high temperature liquid state is better than that of steel steel ring. The later polishing and electroplating process can make it more beautiful and changeable appearance; the surface anti-corrosion treatment and electrostatic powder coating also make it last. like New.

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