The part represented by the polygon of the half section profile in its axis plane and cutter ' s trajectories for recording and arranging machining errors data are presented based on the analysis of the geometrical characteristics of the part and machining in turning process 摘要根据车削加工工件的几何外形和成形特点，提出了包含加工误差信息的回转体类工件半剖轮廓多边形建模方法和记录、组织加工误差信息的刀具轨迹法。
