This paper introduces some key technologies used in reverse engineering of tractor covering panel, such as CMM fitting of surface, reconstructing of surface, smoothing of surface etc.

• 摘要介绍了施拉机覆盖件逆向工程中的若干关键技术，诸如，三座标测量技术、曲面拟合技术、曲面重构技术、曲面光顺、曲面片的拼接等技术。