Based on typical profiles in common use, how to perfect design of plastic extrusion die was discussed from the point of view of plastic profiles assembly and application.

以常用的典型型材为例，从塑料异型材组装和使用的角度，探讨如何完善塑料异型材模具的设计。

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The application of the new method proves to be significant in shortening the design and manufacturing cycle and heightening the quality of extrusion die for plastic profiles.

经实践证明，该方法有效地缩短了挤出模具开发周期并提高了模具质量。

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The main points in design according to developing work of extrusion moulds are analyzed. Special extrusion technique for plastic-wood composite profiles is also described in this article.

结合木塑复合型材挤出模具研发过程，分析了该类模具的设计要点，描述了木塑复合型材挤出生产的工艺特点。

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