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CAD系统设计的图形输入方法.
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;
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