汽车备轮架加固板冲压模具毕业设计（完整版）(文档可以直接使用，也可根据实际需要修改使用,可编辑欢迎下载）汽车备轮架加固板冲压模具毕业设计xxxxx大学毕业论文（设计）论文题目姓名院系指导教师汽车备轮架冲压模具设计xxxxx学号xxxxxx专业xxxxx职称xxxxxxxxxxxxxxx2021年5月目录摘要：...................................................................3绪论....................................................................41.模具工业在国民经济中的地位............................................41.2冲模设计与制造方面.................................................41.3冲压设备和冲压生产自动化方面.......................................42冲压工艺设计和冲压力的计算............................................52.1冲压件（汽车备轮架加固板）简介.....................................52.2冲压工艺分析和工艺方案分析.........................................62.2.1冲压的工艺分析.................................................62.2.2冲压工艺方案的确定.............................................72.3工件冲孔落料毛胚尺寸计算...........................................112.4确定其搭边值.......................................................122.5确定排样图.........................................................122.5.1利用率的计算...................................................122.5.2确定排样图.....................................................132.6计算冲孔落料各工序冲压力...........................................133落料、冲孔复合模的设计.................................................143.1凸、凹模尺寸计算...................................................143.2冲模凸模工作零件的设计与计算.......................................163.3冲模凹模与凹凸工作零件的设计以及其他零件...........................193.4模柄，螺钉以及模架的选择...........................................293.5落料冲孔复合模总装图...............................................294.弯曲模设计.............................................................334.1弯曲工艺分析.......................................................334.2第一次弯曲模设计...................................................344.3第二次弯曲模设计...................................................365结论...................................................................38参考文献.................................................................39汽车备轮架加固板冲压模具毕业设计xx指导