A new grinding method of non-cylindricalsurface is proposed and the key control techniques of the grinding methods have been discussed in this paper.
研究了非圆柱表面磨谢加工新方法，对该磨削加工方法的关键技术进行了探讨。
2
For the elliptic cylindricalsurface which is the trunk of the blade, the geodesic and non-geodesic differential equations are deduced.
并针对叶片主干部分的椭圆柱面，分别推导其测地线和非测地线的微分方程序。
3
The invention concerns a cable drum having a non-cylindrical profile of its outer surface and the use of this cable drum in a window regulator system, particularly in a vehicle.