Through the analysis of the structure of the deep_cavity plastic part, the causes of some problems often fallen across in the design of the injection mould were found out.

对中性笔笔帽塑件进行了分析，确定了模具结构，阐述了深腔强脱塑件模具的设计注意要点，对同类注射模具有较好的参考价值。

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The processing property of the grid part was analyzed. The scheme and main of the design of the injection mould for grid was introduced. Design calculating was done for the feed system.

分析了栅板零件的工艺性，介绍了栅板注射模的设计方案及设计要点，并对浇注系统的设计计算作了较详细的阐述。

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With the design of the injection mould for the top shell as an example, the whole process of the computer_aided design of the injection mould for based on MDT parameterized solid modeling was stated.

以上壳注射模设计为例，介绍了基于MDT参数化实体造型的上壳注射模计算机辅助设计的全过程。

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