涡轮增压器壳体加工工艺毕业设计计算说明书

涡轮增压器壳体加工工艺目录1、序言....................................................22、零件的分析..............................................22.1零件的作用.......................................22.2零件的工艺分析...................................32.3确定生产类型.....................................34、确定毛坯................................................3

4.1确定毛坯种类.........................................3

4.2确定铸件加工余量及形状..............................34.3绘制铸件零件图.......................................45、工艺规程设计...........................................55.1选择定位基准..............................................55.2制定工艺路线......................................55.3机械加工余量、工序尺寸及公差的确定.........................65.31 涡轮表面工序尺寸...........................65.32外圆圆弧工序尺寸............................75.33确定切削用量及时间定额......................76、夹具设计...............................................96.1问题的提出.......................................106.2夹具设计..............................................106.21定位基准选择.........................................10

6.22切削力及夹紧力计算...................................106.3定位误差分析 .....................................116.4夹具设计及操作的简要说明..........................116.5钻床夹具的装配图见附图............................11