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The invention relates to the technical field of casting sand, in particular to a preparation method for novel artificial casting sand. The preparation method comprises the steps of material selection,high-temperature heating, high-temperature firing, pelleting and cooling, strong-wind sand grinding and sand grain structure screening. Compared with other casting sand, the artificial casting sand is low in heat expansion coefficient, has good friction resistance, mechanical impact resistance and heat impact resistance and is high in practicality.
本发明涉及铸造砂技术领域，尤其是一种新型的人工铸造砂的制备方法，包括选择材料、高温加热、高温烧制、造粒冷却、强风磨砂和筛分沙粒结构步骤值得铸造砂，本发明相比较其他铸造砂而言，热膨胀系数低，具有较好的耐摩擦性、机械冲击和热冲击，实用性强。
The invention relates to the technical field of casting sand, in particular to a preparation method for novel artificial casting sand. The preparation method comprises the steps of material selection,high-temperature heating, high-temperature firing, pelleting and cooling, strong-wind sand grinding and sand grain structure screening. Compared with other casting sand, the artificial casting sand is low in heat expansion coefficient, has good friction resistance, mechanical impact resistance and heat impact resistance and is high in practicality.
本发明涉及铸造砂技术领域，尤其是一种新型的人工铸造砂的制备方法，包括选择材料、高温加热、高温烧制、造粒冷却、强风磨砂和筛分沙粒结构步骤值得铸造砂，本发明相比较其他铸造砂而言，热膨胀系数低，具有较好的耐摩擦性、机械冲击和热冲击，实用性强。
Preparation method for novel artificial casting sand
一种新型的人工铸造砂的制备方法
XIONG JIE (author)
2020-04-17
Patent
Electronic Resource
Chinese
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