Moulding technology of specular seat is analyzed and the injection mold of this plastic part gets designed furthermore working process and key points of die design and manufacture are provided.
分析了镜座的成型工艺，设计了该塑件的注射模，并介绍了该模具的工作过程和模具的设计与制造要点。
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
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.