A new type of NC lathe,in which the lathe tool is rotating while the work is turning,is probed that can machine the polygon prism of which the transverse section is regular polygon.

• 为了实现在车床上加工多面体的目的,在车床上增加一个旋转轴,让车刀作旋转运动,适当调整刀具和工件的转速比、中心距及刀具长度等参数,可以在回转的工件上车出横截面为正多边形的多面体;