第一章零件设计任务....................................................................................................................1第二章冲裁件的工艺分析............................................................................................................22.1工件材料.............................................................................................................................22.2工件结构形状.....................................................................................................................22.3工件尺寸精度.....................................................................................................................2第三章冲裁工艺方案....................................................................................................................3第四章模具结构形式的选择.........................................................................................................54.1模具的类型的选择.............................................................................................................54.2卸料装置.............................................................................................................................54.2.1．条料的卸除...........................................................................................................54.2.2卸料方式..................................................................................................................54.3定位装置.............................................................................................................................54.3.1．送料形式..............................................................................................................54.3.2．定位零件：...........................................................................................................54.4.模架类型及精度................................................................................................................64.4.1．模架......................................................................................................................64.4.2.精度.........................................................................................................................6第五章冲压工艺计算：................................................................................................................75.1．排样.................................................................................................................................75.1.1．排样方案分析.......................................................................................................75.1．2．计算条料宽度...........................................................................................................75.1.3．确定布距：...........................................................................................................85.1.4．计算材料利用率...................................................................................................85．2．冲压力计算..................................................................................................................95.2.1．冲裁力计算...........................................................................................................95.2.2．卸料力、顶件力的计算...............................................
