China's foundry industry has always been an important, fundamental, and irreplaceable sector of the national economy, boasting advantages such as relatively low costs and wide process adaptability. my country is a major foundry nation, ranking first in the world in terms of annual casting output, number of employees, and enterprises. With the increasing trend of economic globalization and the continuous development of the market economy, the demand for and reliance on various standards in casting-related processes, production, and management are growing. In my country, many problems remain to be solved to achieve large-scale production of aluminum alloy castings and meet the requirements of automotive lightweighting: First, automotive requirements for aluminum castings are trending towards thinner walls, more complex shapes, higher strength, and higher quality. To adapt to these requirements, casting processes should be further optimized, and new alloy materials should be developed. Second, production costs should be reduced from a design and process perspective, such as using multi-part mold technology and automation to improve productivity, extend mold life, and adopt integrated designs to reduce the number of parts. Third, computer simulation technology should be used to shorten the development cycle of process solutions. Fourth, efforts to recycle aluminum should be intensified. Recycled aluminum is the main raw material for aluminum casting. While developing the casting industry, my country should attach importance to the utilization of recycled aluminum resources, develop technologies for effectively separating aluminum from waste materials composed of composite materials and dissimilar materials, and establish a comprehensive waste recycling system.
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