In recent years, with the speeding up of the highway network in China and the development of the logistics and transportation industry, the demand for heavy trucks has grown. In 2011, there were 5 million heavy trucks in China. In response to outstanding problems such as overloading of heavy trucks, fuel consumption, and pollution, the country has increased the weight and freight standards for freight vehicles, and increased the research and development efforts in the application of light weight new materials for heavy-duty trucks.
Application of Composite Materials in Heavy Trucks
In the late 1980s, due to the continuous improvement of the awareness of auto energy conservation and environmental protection in various countries, the demand for automobiles was increased, and it was characterized by low energy consumption, safety, reliability, high mobility, and high speed. Heavy trucks are an important tool for modern transportation. Due to their light weight, low manufacturing cost, and high integration of components, heavy-duty trucks are used in heavy trucks and have great potential.
The composite material has the advantages of light weight, high strength, convenient processing and molding, excellent elasticity, chemical resistance, and weather resistance, and can improve the function of the material. It has been widely used in various trucks. With the continuous improvement of people's environmental awareness and the introduction of environmental protection laws and regulations in various countries, how to make trucks meet the requirements of environmental protection has received increasing attention. As one of the main directions for the future development of truck materials, composite materials will play a very important role in it. For example, the high-tech composite materials jointly developed by Baotou Deyi, Beijing Bluestar, and Sinoma Technology have been successfully used in domestic truck cabins for the first time. The weight reduction of the cabin is 40%, and the carbon fiber pultruded profiles have low manufacturing costs, high strength, and stable quality. It is a typical application of China's composite materials in the automotive lightweight field.
Application of Aluminum Alloy in Trucks
Since aluminum alloys have a series of excellent characteristics, such as small density, light weight, high strength, good elasticity, good impact resistance, corrosion resistance, easy surface coloration, good processability and high recovery and regeneration, etc. The use of aluminum alloys reduces the overall mass of the car, thereby reducing the consumption of fuel and reducing emissions. An all-aluminum semi-trailer loses 3.4 tons in weight, and can save 45,000 liters of oil during the life cycle, reducing 110 tons of carbon dioxide emissions.
Luantong Motor Co., Ltd. relies on the Group to have a complete industrial chain and national technology research and development platform from deep processing of primary aluminum and aluminum to finished aluminum products. Through the use of aluminum alloy large-scale complex section profiles combined with CAE calculation and analysis optimization design methods, without reduction Under the condition of complete vehicle rigidity, the aluminization rate of the semi-trailer body is 93%. The lightweighting of the whole vehicle has reached the international advanced level, and the lightweight of the vehicle body has been achieved by 34%. The energy saving effect is outstanding. By reducing the wind resistance of the fuel-saving technology, the fuel consumption per 100 kilometers is reduced by 2.15L.
As customers demand more energy-saving emission reductions and vehicle safety, automakers have to seek more robust and lighter construction materials. Through the transformation of automobile structures and the optimization of manufacturing materials, the application of new materials in trucks will be more fully and practical.
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