The works of this paper is of special importance on the production of large-size thin-wall castings of high-quality.
本文对于优质大型复杂薄壁铸件的生产具有重要的意义。
The RE(Y)-Mg-Si-Fe nodularizer had been used to cast heavy sectioned high ductile nodular iron cooling wall castings.
应用钇基重稀土镁复合球化剂，铸造厚大断面高韧性球铁冷却壁，成功地获得了铸件中心部位铸态高性能。
The results indicated that the filling patterns of thin wall castings have large influence on the temperature distribution.
研究表明，薄壁件的充型形态对温度分布影响很大。
The results show that the strength and hardness of the mold produced by this method are much higher than those of normal sand mold, suitable for producing high precision thin wall castings.
结果表明：此工艺方法生产的铸型，其强度、硬度远高于一般铸型，适合于生产尺寸精度高的铸件。
The mechanical properties of core in the castings such as the cooling wall of blast furnace and the rolls are enhanced by using this nodulizer.
该球化剂应用于高炉冷却壁、轧辊等铸件上，可提高其心部力学性能。
By adopting the compound mold of die mold, furan resin sand and graphite sand, the heavy duty thin wall complex Al-alloy castings have been successfully produced.
采用金属型、呋喃树脂砂、石墨砂等复合铸型，成功生产了大型、薄壁、复杂铝合金铸件。
The injection speed can reach more than 5M/S and it can produce thin wall die castings stably.
压力损耗小， 反应快，压射速度达5M/S以上，能稳定生产薄壁压铸件；
Using copper alloy mould to make the small-sized and thin wall ductile iron castings is a new technology in the foundry field.
采用铜合金金属型生产小型薄壁球墨铸铁件是铸造领域一项新技术。
The paper is about how to obtain the densified structure of heavy-wall nodular iron castings under the condition of gravity foundry and to introduce the authors research in this area in detail.
针对日益开始清晰的厚壁球铁件凝固特性，提出了获得其致密组织的较为系统的工艺设计思想；以作者主持完成的典型的生产实例验证了控制方法的有效性，并在此基础上讨论了控制方法的拓展途径。
The paper is about how to obtain the densified structure of heavy-wall nodular iron castings under the condition of gravity foundry and to introduce the authors research in this area in detail.
针对日益开始清晰的厚壁球铁件凝固特性，提出了获得其致密组织的较为系统的工艺设计思想；以作者主持完成的典型的生产实例验证了控制方法的有效性，并在此基础上讨论了控制方法的拓展途径。
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