目 录1.引言......................................................................21.1 设计目的......................................................................................................................21.2 设计意义......................................................................................................................21.3 机械行业的现状和进展趋势......................................................................................32. 零件分析...............................................................32.1 零件的生产纲领及生产类型.....................................................................................32.2 零件的作用.................................................................................................................32.3 零件的加工工艺分析.................................................................................................32.4 零件主要技术条件分析及技术关键问题.................................................................43. 铸造工艺方案设计...............................................................................................................43.1 确定毛坯的成形方法.................................................................................................43.2 铸件结构工艺性分析................................................................................................43.3 铸造工艺方案的确定.................................................................................................43.3.1 铸造方法的选择.............................................................................................43.3.2 分型面的选择.................................................................................................43.3.3 不铸孔的确定.................................................................................................43.3.4 铸造圆角的确定.............................................................................................54 机械加工工艺规程设计..........
