攀枝花学院毕业设计（论文）目录目录摘要…………………………....………………….……………………...ⅠABSTRACT.....................................................................................................Ⅱ1绪论..........................................................................................................32拨叉C的分析.............................................................................................42.1拨叉C的作用...........................................................................................42.2拨叉C的工艺分析.....................................................................................42.3拨叉C的工艺要求.....................................................................................42.4毛坯的选择..............................................................................................52.5本章总结................................................................................................53工艺规程设计.............................................................................................63.1加工工艺过程...........................................................................................63.2确定各表面加工方案..................................................................................63.2.1选择加工方法时，需考虑的因素.............................................................63.2.2面的加工...........................................................................................63.2.3孔的加工...........................................................................................73.2.4槽的加工...........................................................................................73.3确定定位基准...........................................................................................73.3.1粗基准的选择.....................................................................................73.3.2精基准选择的原则...............................................................................83.4工艺路线的拟订........................................................................................83.4.1工序的合理组合.............................