塑料异型材挤出模是塑料异型材生产的关键技术设备之一，直接决定着型材制品的质量和生产周期。
The extrusion die for plastic profile is the key equipment of its production, and has a great effect on the quality and the production circle.
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；
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.
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