Aluminum wheel is made by sand casting or gravity die casting, then heat treatment and machining. Now many people agree that the aluminum alloy wheels are better than steel wheels because that they are beautiful, light, fuel economy, good elasticity, good thermal conductivity and not easy deformed.
Energy, environment and safety are the three issues of great concern to the world today which is closely related to the development and universal application of the automotive industry. With the modern cars rising the requirements of energy saving and safety and environmental regulation become strict, lightweight car is more urgent. Aluminum has great significance of educe vehicle weight, reduce fuel consumption, reduce environmental pollution and improve the operating because of its light weight, high strength, good formability, affordable, and high recovery. And it has been the material of choice for automotive industry.
Aluminum wheels 2Kg average lighter than steel wheels. It can fuel efficient about 5% -7% at 60km/h speed. It has been widely used in the West car industry, and has huge development potential.Data shows that the world's annual production of aluminum wheels has been over 100 million. The huge attractive of international market of the aluminum wheels stimulate the development of Aluminum wheels industry.
Despite the rapid development of Chinese auto industry, but compared with the industrialized powers are still many gaps car. One is there is a certain gap of automotive timber between domestic and foreign. Usually Consumption of aluminum content of the car was only about 40-50kg. With the acceleration of the world's automotive lightweight, especially after joining the WTO, the international competition of auto market trends to be fierce. Energy-saving and lightweight of the car have become necessary trend of the development of our automobile industry.
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