本文从实践的角度论述了在机床铸件生产中使用冷硬呋喃树脂砂的必要性和可能性，原材料的选择标准，树脂砂硬化过程的影响因素，造型和制芯的工艺要点，生产实例，树脂砂生产过程中有害毒物的测定及今后树脂砂工作的方向。 This paper discusses the necessity and possibility of using cold furan resin sand in the production of machine tool castings from the practical point of view, the selection criteria of raw materials, the influencing factors of the resin sand hardening process, the molding process and core making process, production examples, resin Determination of harmful toxins in sand production process and future direction of resin sand work.