基于装配模型的注塑模尺寸关联CAD系统

A CAD System of Injection mold based on Assemble model with dimension reation

本文针对注塑模具的设计特点，在零件图参数化的基础上，讨论了注塑模设计过程中，如何描述记录装配体中的约束关系，以及建立和维护装配模型所涉及的关键技术。

Acoording to the characteristics of injection mold desion, on the basis of parametic design of part drawing, this paper introduces how to describe the assembly relations and the key technologles which are necessary to establlsh the assembly model.