本科论文目 录摘 要....................................................................................................................IAbstract.....................................................................................................................II引 言...................................................................................................................11 冲压模具背景介绍................................................................................................21.1 冲压技术与模具...........................................................................................21.2 国内外现状...................................................................................................21.3 发展趋势.......................................................................................................41.4 选题主要特点及成果要求...........................................................................42 冲压工艺及模具结构形式的确定........................................................................62.1 零件冲压工艺分析.......................................................................................62.2 冲压工艺方案的确定...................................................................................72.3 如何确定模具结构.....................................................................................113 冲压裁剪部分设计..............................................................................................133.1 弯曲件展开部分尺寸设计.........................................................................133.2 下料的排样及材料的利用率.....................................................................143.3 冲裁件的冲裁力计算和初选设备的选定.................................................153.4 模具的压力中心.........................................................................................173.5 卸料部分及初选压力机.............................................................................18...
