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首先论述建立开放式级进模结构CAD系统及提高其效率的必要性和有效途径，进而介绍HProDie级进模结构CAD的系统组成。系统通过“自顶向下”（toptodown）设计流程的实现，基于参数化构型语言的独立开放模具标准件库系统的建立，工作区零件快速设计手段的提供，使得整体开放性及效率得到提高。
Firstly, it discusses the necessity and effective way to establish CAD system of open progressive die structure and its efficiency, and then introduces the system composition of CAD of HProDie progressive die structure. The system achieves overall openness and efficiency through the implementation of a “toptodown” design flow, the establishment of an independent open mold standard parts library system based on a parametric configuration language, and the rapid design of work area components .