To solve the layout problem of punching mold using collision algorithm and add up the subsection procedure of arc, taking direct use of arc computing method reduces the complexity of computation.

• 摘要把碰撞理论应用在冲裁件优化排样中，通过增加对圆弧分段处理的步骤，采用直接对圆弧计算的方法，减少了计算复杂度。