目录一、零件图..........................................................................................................................................3（一）分析零件图.......................................................................................................................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、毛坯简图......................................................................................................................................5（一）毛坯图样...........................................................................................................................5（二）毛坯选择...........................................................................................................................5（三）设备选择...........................................................................................................................5三、零件加工工艺过程分析..............................................................................................................7（一）工艺分析...........................................................................................................................71.确定装夹方案、定位基准、编程原点、加工起点和换刀点...............................................72.制订加工方案及加工路线.......................................................................................................83.刀具选用与介绍...................................................................................................................124.确定切削用量.....................................................