机械制造工艺学课程设计填料箱盖机械加工工艺规程设计学号姓名目录第1章零件分析................................................................................................................................11.1零件功用分析........................................................................................................................11.2零件的工艺分析..................................................................................................................21.3确定零件的生产类型.........................................................................................................3第2章确定毛坯类型，绘制毛坯简图......................................................................................42.1选择毛坯..............................................................................................................................42.2确定毛坯的尺寸公差和机械加工余量.......................................................................52.3绘制毛坯简图.....................................................................................................................52.4本章小结............................................................................................................................6第3章工艺规程设计.....................................................................................................................73.1零件机械加工工艺规程的制定...................................................................................73.1.1机械加工工艺规程的内容及作用.............................................................................73.1.2制定工艺规程的原则、原始资料.............................................................................73.1.3制定工艺规程的步骤....................................................................................................83.2基准面的选择..................................................................................................................123.2.1粗基准的选择。..........................................................................................................123.2.2精基准的选择。..........................................................................................................123.3制订工艺路线...............................................................................................................123.3.1工艺路线方案一..........................................................................................................123.3.2工艺路线方案二..........................................................................................................133.3.3工艺方案的比较与分析............................................................................................133.3.4最后的加工工艺路线确定如下：..........................................................................133.4本章小结.........................................................................................................................14第4章数控机床的选择与加工方案......................................................................................164.1选择机床.........................................................................................................................164.2选择夹具.....................................................................................................................
