由于所设计的汽车车身表面光顺性的好坏不仅对汽车的动力性和经济性有一定的影响，而且还会影响到车身表面的制造质量。
Besides, the fairness of the automobile's body has not only influence on the dynamical parameter and economic parameter but also the manufacture quality of the automobile.
介绍了汽车车身覆盖件的拉延工艺特点和内容，以及在三维CAD环境下汽车覆盖件的拉延工艺设计制造流程。
In this paper, the characteristics and content of drawing technology and its process flow under three-dimension CAD conditions are presented.
本文结合汽车车身测量、设计、制造的特点，提出一个应用于微机上的集三坐标测量、车身辅助设计和辅助制造的集成系统，讨论了车身测量、设计与制造的关键技术。
PC-based auto body CMM/CAD/CAM integrated system is proposed in this paper, based on the characteristics of measurement, design and manufacturing of auto body. Some key techniques are discussed.
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