国外铸造生产中,近十年来广泛应用自硬砂造型、制芯工艺。它在铸件质量、劳动量、劳动条件、节能等方面显示了巨大优越性。上海汽轮机厂1979年试用呋喃自硬砂生产了300MW汽轮机汽缸等重要铸件,并取得成功。为适应生产的需要,在完成工艺试验的基础上,机械工业部第二设计研究院与上海汽轮机厂,于1980年5月开始呋喃树脂自硬化制芯生产线的研制。1981年11月完成图纸设计。1986年5月完成制造、按装和调试。到 Casting production abroad, the past 10 years, widely used self-hardening sand molding, core making process. It shows great superiority in castings quality, labor, working conditions, energy saving and so on. In 1979, Shanghai Steam Turbine Factory tried out furan self-hardening sand to produce 300MW steam turbine cylinder and other important castings and achieved success. In order to meet the needs of production, based on the completion of the process test, the Second Design and Research Institute of the Ministry of Machinery Industry and Shanghai Steam Turbine Factory started the production of furan resin self-hardening core making line in May 1980. November 1981 to complete the design drawings. May 1986 to complete manufacturing, installation and commissioning. To