Analyzing the craft features of a punching piece, ascertain the process and scheme of a progressive die blank layout, and the design of main die working parts and final assembly structures.
通过该冲件特点的工艺分析，确定级进模排样方案过程和模具主要工作零件及模具总装结构设计。
The mathematics model of multiobjective optimum combination, good algorithms and CAD system for strip layout of multistep progressive die are given in this paper.
提出了多工位级进模工步设计的多目标最优化组合的数学模型、通用算法以及建立其CAD系统的实现方法。
The economic and technical results received from the improvement in the layout of the progressive die for the steel core of the sealing bar were stated.
阐述了密封条钢芯级进模排样的改进对模具结构的影响，以及所带来的经济、技术方面的变化特点。
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