The engine cover is an engine protection device designed according to various models. Its design is first to prevent the engine from being wrapped by mud, and secondly to prevent the engine from being damaged due to bumps on the engine caused by uneven roads during driving.
Through a series of designs, the service life of the engine can be extended, and the engine can be prevented from breaking down due to external factors during travel.
There are three main stages in the development of engine fenders in China: hard plastic, resin, iron and aluminum alloy. There are essential differences in the characteristics of guard plates of different material types. But the only point must be strictly checked: whether the engine can sink normally after installing the guard plate is the most critical issue.
The first generation: hard plastic, resin guard.
The price is relatively cheap, and the production process is simple, but it should be noted that the guard plate made of this material is easy to break, especially in winter.
Advantages: light weight, low price;
Disadvantages: easily damaged;
The second generation: iron guard plate.
But it should be noted that when choosing this kind of guard plate, the guard plate of this material can protect the important parts of the engine and chassis to the greatest extent, but the disadvantage is that it is heavy.
Advantages: strong impact resistance;
Disadvantages: heavy weight, obvious noise resonance;
The third generation: the so-called "titanium" alloy protective plate in the aluminum alloy protective plate market.
Its characteristic is light weight.
Advantages: light weight;
Disadvantages: The price of aluminum alloy is average, because the price of titanium is too high, so it is basically made of aluminum material, there is no real titanium alloy guard plate on the market, the strength is not high, it is not easy to reset when there is a collision, and there is resonance phenomenon.
Fourth generation: plastic steel "alloy" guard.
The main chemical composition of plastic steel is modified polymer alloy plastic steel, also called modified copolymerized PP. This material has excellent performance, convenient processing and wide application. Because of its physical properties such as rigidity, elasticity, corrosion resistance and aging resistance, it is usually used as a good substitute for non-ferrous metals such as copper, zinc and aluminum. will hinder sinking
effect
Keep the engine compartment clean to prevent water and dust on the road from entering the engine compartment.
Prevent the hard sand and stones rolled up by the tires from hitting the engine when the car is running, because the hard sand and stones hit the engine.
It will not have an impact on the engine in a short time, but it will still have an impact on the engine after a long time.
It can also prevent uneven road surfaces and hard objects from scratching the engine.
Disadvantages: The hard engine guard may hinder the protective sinking of the engine during a collision, weakening the protective effect of the engine sinking.
Classification
hard plastic resin
The price is relatively cheap, the production process is simple and does not require a large amount of capital and high-value equipment investment, and the entry threshold for producing this type of guard plate is low.
steel
However, it should be noted that when choosing this kind of protective board, it is the matching of the design style with the car and the quality of the supporting accessories, and the products of regular manufacturers must be selected.
aluminum alloy
It should be noted that many beauty shops push this product, because of the high profit behind its high price, but its hardness is far inferior to the steel protection plate. It is difficult to repair damage, and the alloy material is extremely complex and it is difficult to determine its characteristics.
plastic steel
The main chemical composition is modified polymer alloy plastic steel, also called modified copolymerized PP. This material has excellent performance, convenient processing and wide application. Due to its physical properties such as rigidity, elasticity, corrosion resistance and aging resistance, it is usually used as a good substitute for non-ferrous metals such as copper, zinc and aluminum. It does not impede the sinking function in the event of a vehicle collision.
