By the aided of numerical simulation technique we can not only accurate picture the cavity filling process also can predict moulding fault among the die casting et al.
借助于数值模拟技术不仅能较准确的描述铸液的充型过程，而且能预测铸件内部的成型缺陷等。
2
Two new casting die steels were developed for press moulding of medium thickness steel plates.
对适合用作中厚板冷冲压模具的二种新研制的铸造模具钢作了介绍。
3
This paper introduces the craft characteristics of casting the shell of the gearbox, including the manufacturing of the resin moulding, the application of the hard sand core and so on.