According to the structural characters of this part, the injection moulding technology of parts is analyzed.

根据该零件的结构特点，分析了零件的注射成型工艺。

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Moulding technology of specular seat is analyzed and the injection mold of this plastic part gets designed furthermore working process and key points of die design and manufacture are provided.

分析了镜座的成型工艺，设计了该塑件的注射模，并介绍了该模具的工作过程和模具的设计与制造要点。

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Shaped mould is the important part of extrusion die for injection moulding. The cooling process of shaped plastic in shaped mould was studied using numerical simulation.

定型模是挤出模具的重要组成部分，采用数值模拟方法研究定型模内塑料异型材的冷却过程，可以指导定型模冷却系统的设计。

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