目录 绪论.......................................................................................................................................1 １．国内模具的现状与发展趋势........................................................................1 1.1国内模具的现状...................................................................................................1 1.2国内模具发展趋势.............................................................................................2 2.国外模具的现状与发展趋势............................................................................3 第一章冲裁件的工艺分析及排样....................................................................4 1.1冲裁件的工艺分析........................................................................5 1.2制件的外形分析............................................................................5 1.3冲裁件的尺寸精度和表面粗糙度................................................5 第二章工艺方案的确定.....................................................................6 第三章主要工艺参数计算…….........................................................7 3.1冲裁的工艺计算..............................................................................8 3.2排样的设计与计算..........................................................................8 3.3冲裁力的计算….............................................................................10 3.4压力机的公称压力的计算………………………………………11 3.5压力中心的确定及相关计算……………………………………11 3.6工作部分的尺寸计算…………………………………………….12 第四章模具总体设计................... ...................................................14 第五章模具主要零部件的设计................ ......................................14 5.1工作零件的结构设计....................................................................14 5.2定位零件的设计................... .......................................................16 5.3导向装置的设计.............................................................................17 5.4打料装置是设计................................ ................... ........................17 5.5顶件装置的设计............................................................................17 5.6连接装置是设计............................................................................18 5.7固定板是设计........................................................................... .. ..19 5.8模架及组成零件的确定. ...............................................................19 第六章模具工作原理.........................................................................20 第七章模具的装配.............................. .............................. ................21 7.1装配前是准备..................................................................... ............22 7.2装配模柄......................................................... .................................22 7.3装配凸凹模.............................................................. ........................23 第二部分 第一章零件结构工艺性分析................................................. .............24 1.1弯曲是直边高度................................................. ............................24 1.2孔边距................................................. ...........................................24 1.3最小弯曲半径................................................. ................................24 第二章主要工艺参数计算................................................. .................24 2.1弯曲力的计算................................................. ...............................24 2.2压力机是压力确定................................................. .....................25 2.3回弹量是计算................................................. ..................... ........25 第三章弯曲模工零部分设计............ ............ ............ ............ .........25 3.1凸凹模的间隙是计算............................................. ...................25 第四章模具总体设计............................................. ..........................26 第五章设备是选定............................ ......................... ........................27 总结........................................................................................................28 致谢........................................................................................................29 参考文献................................................................................................30