目录第一章数控机床的产生与发展·······················································41
1数控车床的发展趋势··························································4第二章零件的工艺分析····································································52
1零件的用途··········································································52
2零件图的工艺分析······························································52
3零件的表面粗糙度·····························································62
4零件的尺寸精度··································································6第三章零件加工过程·········································································63
1正确选择工件坐标原点·······················································73
2确定对刀点、换刀点及刀点位置······································7第四章制定数控车削加工工艺方案················································8