-毕业设计课题名称某电器开关过电片的模具设计姓名田金华学号0701110101所在系机电工程系专业年级P07模具指导教师李福伟职称助教二O一O年五月十五目录第一章绪论.......................................................11.1概述.....................................................................11.2冲压技术的进步...........................................................11.3模具的发展与现状.........................................................11.4模具CAD/CAE/CAM技术.....................................................31.5课题的主要特点及意义.....................................................3第二章冲压工艺方案的制定....................................................32.1工艺分析................................................................42.2排样图设计..............................................................4第三章模具总体结构设计......................................................53.1条料定位装置.............................................................53.2出料装置.................................................................73.3模具结构特点............................................................73.4模具工作过程............................................................7第四章模具零件的设计与计算.................................................74.1凸、凹模刃口尺寸的计算...................................................74.1.1凸、凹模间隙的选择.....................................................74.1.2凸、凹模刃口尺寸计算..................................................94.2凸、凹模的设计..........................................................104.2.1凸模的结构和固定形式..................................................104.2.2凸模长度的确定........................................................134.2.3凸模的强度计算........................................................144.2.4凹模结构形式设计......................................................154.2.5凹模结构尺寸的确定....................................................164.3模板的设计..............................................................174.4卸料弹簧的选用..........................................................184.5其它零件的设计..........................................................18第五章冲压设备