整车外表面制作理念和实践

The Concept and Practice of Surface Smoothing for Automobile Body Design

表面光顺设计在汽车车身设计中占有举足轻重的地位。文中简述了进行表面光顺所必须的基本要件,如高品质的油泥模型和方便快捷的工作平台,以及高精度数据采集的方法步聚。特别详细论述了表面光顺设计的基本概念,包括3D曲线和自由曲面的制作及相互之间的连续关系;表面光顺的方法步聚;使整车表面达到A级曲面水平的曲率的协调方法;以及如何使用斑马线和截面线来评价整车表面质量。并举例说明了国内外目前的整车表面制作水平。

Surface smoothing plays an important part in automobile body design. This paper briefly introduces the basic element about surface smoothing, such as the high quality clay modeling, convenient work platform as well as the method of high precision data acquisition. Especially, it explains the basic concept of the surface smoothing design in detail, that is to make 3D curves and freeform faces, as well as to show their relations; method and process of the surface smoothing; how to make body surface achieve curvature of face in the class A level; how to estimate the surface quality of complete automobile by zebra crossing and section. Finally it shows the current quality level of complete automobile surface at home and abroad by illustrating with examples.