New Foundry Technology at Home and Abroad--Development Status and Trend

The modernization level of the machinery manufacturing industry, especially the equipment manufacturing industry, is rapidly increasing. China's foundry industry should clearly understand its historical responsibilities and the actual gap with developed countries, and boldly use the new achievements of human civilization. Recognize the truth that "only high-tech can keep up with the times", grasp the development trend of modern casting technology wisely, adopt advanced applicable technology wisely, implement sustainable development strategy wisely, base on reality and look forward to revitalize peace The fruitful results of the development of China's foundry industry will lay a solid foundation for the progress of China's modern industrial civilization.

1. Development status of foundry technology in developed countries. Developed countries generally have advanced foundry technology, good product quality, high production efficiency, less environmental pollution, and a commercial serialized supply of raw and auxiliary materials. For example, a transnational service system has been established in Europe. Production is generally mechanized, automated, and intelligent (computer control, robot operation).

2. my country's foundry technology development status The high level of domestic foundry production technology is limited to a few key enterprises. The overall technology level of the industry is backward, the quality of castings is low, the consumption of materials and energy is high, the economic benefits are poor, the working conditions are bad, and the pollution is serious. The academic research in the field of foundry in our country is not lagging behind, but little has been transformed into actual productivity.

3. The development trend of my country's casting technology develops new wear-resistant, corrosion-resistant, and heat-resistant special alloy materials; develops new varieties of cast alloy steel (such as cast steel materials with high performance-to-price ratios such as nitrogen-containing stainless steel) to improve material performance, utilization, and reduce costs ,Shorten the production cycle. Develop excellent aluminum alloy materials, especially aluminum-based composite materials. Study the action principle of alloying elements in aluminum alloy and the ways of aluminum alloy strengthening. Research the methods of reducing the content of Fe, Si, Zn in the alloy, improving the strength and toughness of the alloy, and the way of strengthening the alloy by heat treatment. 
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