The development trend of China's aluminum alloy foundry industry to reduce energy consumption, reduce environmental pollution and save limited resources is a very important and urgent task facing all countries today. Under the promotion of the general trend of lightening of automobiles and other products, it can be expected that in the next 10 years, China's light metal casting market will have significant development. At present, the proportion of aluminum and magnesium alloy castings in each casting producing country is between 13% and 19%, and some countries (such as Italy) are as high as 30%-40%, while aluminum and magnesium alloy castings in China account for The proportion is less than 10%. More than 90% of aluminum castings in developed countries are used in automotive parts manufacturing. In China, there are still many problems to be solved in order to form large-scale production of aluminum alloy castings and meet the requirements of automotive lightweighting. 1. The demand for aluminum castings from automobiles is thin. With the development of the wall and shape complex, high strength and high quality, in order to meet this requirement, the casting process should be further optimized and the development of new alloy materials should be carried out; 2. The production cost should be reduced from the point of view of design and process, if more than one mold is used Parts technology and automation technology to improve productivity, prolong mold life, and use integrated design to reduce the number of parts; 3, the use of computer simulation technology to shorten the development cycle of the process program; 4, recycled aluminum is the main raw material of aluminum casting, China In the development of the foundry industry, attention should be paid to the use of recycled aluminum resources, the development of effective technology for the separation of aluminum from composite materials and dissimilar materials, and the establishment of a wide range of waste recycling systems.
