安装支架的冲压工艺及模具设计

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1、目录摘要.............................................................1关键词...........................................................11.前言...........................................................21.1冲压加工在生产中的应用........................................21.2冲压加工的优点..........................

2、......................21.3冲压技术的发展方向............................................21.4模具CAD/CAM技术..............................................22.收放机架安装支架工艺分析......................................32.1零件工作状况分析..............................................32.2零件工艺方案的分析和确定.................

3、.....................32.2.1毛坯尺寸的计算..............................................32.2.2工艺方案的确定..............................................43.落料——冲孔复合模的设计.......................................53.1冲裁件的排样..................................................53.2搭边值的选取.....................

4、.............................53.3冲裁力、卸料力、推件力的计算..................................63.3.1冲裁力的计算................................................63.3.2卸料力的计算................................................73.3.3推件力的计算................................................73.3.4总的冲裁力的计算.........

5、...................................73.4凸、凹模设计原则..............................................73.5工作零件的结构设计.............................................83.5.1凸凹模的结构类型............................................8333.5.2冲孔模刃口尺寸公差及凸、凹模间隙............................83.5.3冲孔凸、凹模工作部分的尺寸计算..

6、............................83.5.4冲孔凸、凹模型式............................................93.5.5冲孔凸模强度校核...........................................103.6落料凸、凹模设计.............................................103.6.1落料模刃口尺寸公差及凸、凹模间隙...........................103.6.2凹模和凸凹模的尺寸.................

7、........................113.7其它零件的选择及相关尺寸的确定...............................123.8压力机的选择.......................................................134.弯曲模设计.....................................................144.1弯曲力的计算.................................................144.1.1自由弯曲力的计算......

8、............