本科论文目 录摘 要....................................................................................................................IAbstract.....................................................................................................................II引 言...................................................................................................................11 零件的分析...........................................................................................................21.1 加工方法.......................................................................................................21.2 保证星轮表面间位置精度的方法...............................................................22 工艺规程的设计...................................................................................................32.1 毛坯的制造形式...........................................................................................32.2 基准的选择...................................................................................................32.3 制定工艺线路...............................................................................................42.4 机械加工余量...............................................................................................42.5 切削用量及基本工序...................................................................................63 φ4 阶梯斜孔专用夹具设计..............................................................................173.1 工件的加工工艺性分析.............................................................................173.2 定位元件的选择与设计.............................................................................173.3 星轮在夹具中的夹紧.................................................................................224 φ4 阶梯斜孔工序刀具设计说明书..................................................................294.1 刀具类型..................................................................