目录一、零件图............................................................................................................................................4（一）零件图样.....................................................................................................41.零件图样...................................................................................................................................42.精度分析...................................................................................................................................43.形位公差分析..........................................................................................................................44.表面粗糙度分析.....................................................................................................................4（二）毛坯选择.....................................................................................................4（三）设备选择................................................................................................6二、工艺分析与设计....................................................................................................6（一）确定装夹方案.............................................................................................61、定位基准...........................................................................................................62编程原点..............................................................................................................63加工起点..............................................................................................................74、换刀点...............................................................................................................7（二）制定加工方案及加工路线.........................................................................7三.刀具卡..................................................................................................................9四.确定切削用量参数................................................................................