本文讨论冲裁件有约束最优剪切方式的设计问题 .阐明最优剪切排样方式的规范结构 ;采用分支定界法求解冲裁件无约束排样问题 ;将有约束排样问题转换为求解一系列的无约束排样问题 ,并通过对解的性质分析提高算法效率 .实验计算结果说明本文算法十分有效 .最后给出一例题的最优排样方式 . In this paper, we discuss the design of the optimal shear mode with blanking parts, and the normative structure of the optimal shearing mode, the branch-and-bound method to solve the unconstrained nesting problem of blanking parts, In order to solve a series of unconstrained nesting problems and improve the efficiency of the algorithm by analyzing the properties of the solution, the experimental results show that the proposed algorithm is very effective. Finally, an example of the optimal nesting method is given.