http://www.jxdiguo.com/jixieCADtuzhi/2012-06-04/34642.html#edownCA6140车床拨叉831002的课程设计(夹具图，毛坯图，装配图都有)http://www.shangxueba.com/share/p6407995.html(全套含cad图)ca6140车床的型号831002拨叉零件的机械加工工艺规程及夹具设计
