New Foundry Technology, New Development, and New Business Forms
New Foundry Technology, New Development, and New Business Forms
Foundry is the foundation of the manufacturing industry, and the development of the foundry industry is a key link in the national strategy of building a strong country. The country attaches great importance to the development and layout of the casting industry. The 14th Five Year Plan specifies the goal of digital transformation and development: by 2025, more than 500000 tons of castings will be produced using 3D printing technology; Demonstration application of green molding materials such as inorganic binders; The recycling and utilization of foundry waste sand reaches over 8 million tons; Cultivate over 200 green casting factories. In April this year, the joint document of the three ministries also proposed to promote the industrial application of advanced process technologies such as integrated die-casting forming, dieless casting, and sand 3D printing.
Under the multi wheel drive of policies, markets, technology, etc., 3DP sand printing technology has emerged. 3DP sand mold printing technology is a digital green manufacturing technology that is based on digital model files and uses adhesive materials such as powder metal or non-metal to construct objects through layer by layer printing. Compared to traditional sand casting, 3DP sand printing technology does not require molds and directly prints sand molds. Its design is flexible, and it can complete new product development and small and medium-sized batch product delivery with low cost and efficiency, quickly responding to market demand. In terms of quality, the 3DP sand mold is not limited by the mold sanding process, and has micrometer level high precision, complex structure integrated free forming. The casting surface accuracy of some aluminum castings can be comparable to precision casting, while also reducing the scrap rate caused by assembly errors and reducing worker labor.
The 14th Five Year Plan is an important stage for China's economic restructuring and industrial transformation and upgrading, as well as an important period for accelerating the development of China's casting industry. It is suggested that business operators should break out of their inherent thinking as soon as possible, and on the basis of a deep understanding and understanding of national policies, actively seek change, change their thinking and development methods. Through the transformation and upgrading of technology and processes, they can take the path of sustainable development that is green, intelligent, and high-end, in order to seize opportunities and achieve breakthroughs in difficult situations.
