目录摘要....................................................................................................................................IAbstract..................................................................................................................................II1绪论....................................................................................................................................11.1级进模简介..............................................................................................................11.2国内级进模与国际先进水平的主要差距主要表现在以下方面：......................12多工位级进模概述............................................................................................................32.1多工位级进模的实质和特点..................................................................................32.2多工位级进模的分类..............................................................................................32.3多工位级进模应用的必要条件..............................................................................42.4多工位级进模的应用..............................................................................................62.3多工位级进模的发展..............................................................................................63弹簧抱挎模具设计与计算................................................................................................93.1冲压件的工艺分析................................................................................................103.2工艺方案确定........................................................................................................103.3排样图设计............................................................................................................123.4冲压力的计算........................................................................................................143.5冲压刃口尺寸计算................................................................................................174级进模零部件设计..........................................................................................................194.1冲孔凸模与凹模结构尺寸设计............................................................................194.2落料、切断凸模和凹模结构尺寸设计................................................................224.3弯曲凸模和凹模结构尺寸设计............................................................................254.4导料装置................................................................................................................304.5侧压装置................................................................................................................314.6定距机构设计........................................................................................................334.7卸料装置................................................................................................................344.8自动检测保护装置................................................................................................354.9非标准件................................................................................................................364.10标准件的选取.........................................................................................................
