目录摘要........................................................................5关键词......................................................................5引言......................................................................6第一章冲压工艺方案和冲压力的计算.........................................71.1毛胚尺寸计算.......................................................................................................................................71.2零件冲压工艺方案的确定....................................................................................................................81.3排样方案...............................................................................................................................................91.3.1确定排样方案.............................................................................................................................91.3.2确定搭边值.................................................................................................................................91.3.3计算材料利用率.......................................................................................................................101.4计算各工序冲压力..............................................................................................................................111.4.1冲裁力......................................................................................................................................111.4.2弯曲力......................................................................................................................................121.4.3卸料力和推料力......................................................................................................................131.5计算压力中心.....................................................................................................................................131.6压力机的选取.....................................................................................................................................141.6.1设备类型的选择.......................................................................................................................141.6.2设备规格的选择.......................................................................................................................152.1冲孔落料凸、凹模尺寸计算..............................................................................................................172.1.1尺寸计算原则...........................................................................................................................172.1.2模具间隙的选择.......................................................................................................................172.1.3尺寸计算..................................................................................................................................182.2凸模的结构设计和校核......................................................................................................................192.2.1压应力的校核...........................................................................................................................202.2.2稳定性的校核..........................................................................................................................
