Research on Green Casting Technology and Equipment of Digital Frozen Sand Mold

• Published in: International journal of metalcasting 2023-10, Vol.17 (4), p.2439-2451
• Main Authors: Shan, Zhongde, Yang, Haoqin, Yan, Dandan, Dong, Shijie, Shi, Jianpei
• Format: Article
• Language: English
• Subjects: Characterization and Evaluation of Materials; Chemistry and Materials Science; Materials Science; Metallic Materials; Structural Materials; Technical Paper
• ISSN: 1939-5981; 2163-3193
• DOI: 10.1007/s40962-023-00972-4

To promote the green and sustainable development of the foundry industry, it is necessary to further explore the new method, new technology, and new equipment for green foundry. In this paper, an innovative green casting method is proposed. The digital frozen sand casting technology uses water as the binder to replace the organic/inorganic binder for casting at low temperature, which solves the problems of difficult sand recovery and harmful gas emission during the casting process and realizes the high-performance green casting of complex castings. The green casting technology of digital frozen sand mold is a method to produce sand mold by freezing cutting and printing, and to obtain typical parts by mold assembling and pouring. In this paper, the basic theory, key technologies, and system equipment of frozen sand paving are systematically studied, and the application verification research is carried out on typical aluminum alloy parts. It reduced the amount of resin binder, improved the green level of casting industry, and provided a new green casting method for the casting field.