塑料熔体在挤出模中的流动状态分析是挤出模设计的基础。
The flow state analysis of the plastic melt in the extrusion die is the basis of the extrusion die design.
本文分析了异型(圆环型与矩形的组合)材成型时塑料熔体在模头中的流动机理，并给出了模口成型长度的设计方法。
While profile, the cross section was composed of annulus and rectangle, was extruded, the flow mechanism the plastic melt in the die was analyzed and the design method of die land was given.
讨论了塑料注射成型流动过程分析中熔体前沿喷泉效应的近似处理方法和数值分析方法。
The methods of approximate treat and numeric analysis for melt front fountain effect in the flow analysis of plastic injection molding was discussed in this paper.
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