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1·This paper introduces a way of inputting picture in CAD system of sectional die design.

介绍了一种用于镶块模c A D系统设计的图形输入方法。

2·This way, which connect advanced computer language with software for picture, simples inputting picture in CAD system of sectional die design greatly.

这种方法把图形软件和高级语言逻辑结合，大大简化了镶块模C A D 系统设计中的图形输入。

3·The feeding head shape of a die and a streamlined sprue runner were designed after an analysis on the cross sectional shape and the extrusion forming ability of PA66 material.

通过对异型材截面形状及原材料挤出成型性能分析，设计了正确的口模形状及合理的流线形流道；