冷芯盒树脂砂进入湿型砂系统会使湿型砂性能和铸件表面质量下降。
Properties of the green sand and the surface quality of the casting may be decreased due to the resin sand of cold box cores entering the green sand system.
本文采用脲醛树脂为改性剂，硅酸乙酯为增强剂，对呋喃树脂砂进行改，并通过对力学性能的研究，确定了最佳混合比。
In this paper, with modifier UF resin and strengthening agent ethyl silicate, furan resin was modified. By studying the mechanics properties of the resin, the best blending rate was decided.
本文采用脲醛树脂为改性剂，硅酸乙酯为增强剂，对呋喃树脂砂进行改，并通过对力学性能的研究，确定了最佳混合比。
In this paper, with modifier UF resin and strengthening agent ethyl silicate, furan resin was modified. By studying the mechanics properties of the resin, the best blending rate was decided.
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