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概述了NURBS曲面的表达方法及其在准双曲面齿轮齿面拟合中的应用 ,重点分析了用NURBS方法重构齿面时影响拟合精度的因素 ,如型值点的选取、型值点的数量、节点矢量的计算、边界条件的确定等 ,最后探讨了如何快速准确地得到齿面的拟合误差。
The expression of NURBS surface and its application to the hypoid gear tooth surface fitting are summarized. The factors that influence the fitting accuracy when reconstructing the tooth surface by NURBS are analyzed emphatically, such as the selection of the type point, the type point The number of nodes, the calculation of nodal vectors and the determination of boundary conditions. Finally, how to get the fitting error of tooth surface quickly and accurately is discussed.