机械5

目录 1课程设计的题目···············································1 2课程设计时间·················································1 3课程设计的目的及其要求·······································1 3.1课程设计的目地·············································1 3.2课程设计的内容要求··········································1 4设计内容·····················································2 4.1零件的分析·················································2 4.2零件的工艺分析··············································2 4.3毛坯设计····················································3 4.4基面的选择··················································3 4.5选择加工方法，拟定工艺路线··································3 4.6加工设备及刀具、夹具、量具的选择····························5 4.7机械加工余量、工序尺寸及毛坯尺寸的确定······················6 4.8切削用量的选择及基本加工时间的确定··························7 5加工中心孔夹具设计··········································13 5.1车床夹具设计要求说明·······································13 5.2车床夹具的设计要点·········································13 5.3定位机构··················································15 5.4夹紧机构···················································15 5.5零件的车床夹具的加工误差分析·······························15 5.6确定夹具体结构尺寸和总体结构·······························16 5.7零件的车床专用夹具简单使用说明·····························18 6心得体会····················································18 7参考文献····················································19