The pressing process of transforming throwout lever is analyzed, Layout of multi-position progressive and die structure are introduced.
分析了转换推杆零件的冲压工艺，介绍了带料排样方案及级进模模具结构设计。
2
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。
3
The optimization of blank layout is of great importance in the design of stamping die.