根据我国铸钢件生产的特点、原材料供应情况以及当今铸造工艺技术的发展水平,作者分析了采用水玻璃砂工艺、树脂砂工艺、粘土砂工艺等生产铸钢件的特点,探讨了目前我国铸钢车间技术改造的工艺方案选择的.有关问题,重点比较了有机酯硬化水玻璃砂工艺和酯硬碱性酚醛树脂砂工艺在生产成本和使用性能上的区别。
According to steel casting production characteristics, raw materials supply condition and foundry technique developed level in present, the steel casting production characteristics of the sodium silicate sand technique, resin sand technique or clay sand technique were analyzed Meanwhile,the problem concerned the technologic selection of our country steel-casting foundry technique modification was discussed.The production costs and use characteristics of the sodium silicate sand and the alkali phenol formalde- hyde resin sand hardened by ester were compared also.