目 录1 前言.................................................................12 组合机床总体设计.....................................................32.1 总体方案论证.......................................................32.1.1 加工对象工艺性分析...............................................32.1.2 机床配置型式的选择...............................................32.1.3 定位基准的选择...................................................32.2 确定切削用量及选择刀具.............................................42.2.1 选择切削用量.....................................................42.2.2 计算切削力、切削扭矩及切削功率...................................52.2.3 刀具耐用度的计算.................................................72.2.4 选择刀具结构.....................................................82.3 三图一卡设计.......................................................82.3.1 被加工零件工序图.................................................82.3.2 加工示意图.......................................................82.3.3 机床联系尺寸图..................................................102.3.4 机床生产率计算卡................................................123 组合机床夹具设计....................................................153.1.1 零件的工艺性分析................................................153.1.2 夹具设计的基本要求..............................................153.1.3 夹具总体结构构思................................................163.2 定位方案的确定....................................................163.2.1 定位方案的论证..................................................163.2.2 定位基准的选择..................................................163.2.3 定位的实现方法..................................................163.3 误差分析..........................................................183.3.1 影响加工精度的因素...............................................183.3.2 保证加工精度的条件...............................................183.4 夹紧方案确定....