In order to improve the precision of freeform surface, the error of multi-axis NC machining is analyzed and a more reasonable estimate for tool step is given.
从提高自由曲面数控加工精度入手，对多轴数控加工的误差进行了分析，并提出了较为合理的走刀步长的估算方法。
Five-axis linkage CNC machine tools have a main application in machining of freedom surface.
五轴五联动数控机床主要应用于自由曲面的加工。
Continuous 5 axis machining USES either a reference surface, or two contours (which must have the same number of points) or a contour and a point.
连续五轴加工利用一参考曲面、或两个具有相同数目点的轮廓、或一轮廓一点。
Based on the conceptual model of the five-axis simultaneous CNC bevel gear cutting machine, a new machining theory for the function-oriented active tooth surface of hypoid gear is proposed.
基于五轴联动数控铣齿机的概念模型，提出一种新的加工准双曲面齿轮主动设计齿面的切齿原理。
In this paper, we introduce a CNC machining technique of lettering on taper-surface throught adopting the three-axis CNC and multiple axis indexing mechanism and so on.
使用三轴数控机床和万能分度头等设备，在锥曲面上刻字的数控加工方法，解决了在实际加工中类似零件对多轴数控机床的依赖问题。
The method is efficient and precise, and lays a mathematic foundation for NC verification and machining error control in 5-axis sculptured surface manufacturing.
所用的计算方法高效精确，为复杂曲面加工过程的动态模拟和加工误差的控制奠定了数学基础。
A novel method is proposed to calculate the minimum distance from tool to free-form surface, to solve tool interference problem in 5-axis nc sculptured surface machining.
提出了一种求解曲面到刀具极值距离的方法，以解决曲面5轴数控加工中刀具与曲面的干涉问题。
Five-axis linkage CNC machine tools have a main application in machining of free surface.
五轴联动数控机床主要应用于自由曲面的加工，得到广泛的应用。
To enhance the precision of ellipse gyre surface, gives the scheme of the ellipse gyre surface with 2-axis NC machining before polishing and its formula of the minimum survature radius.
为了提高椭圆回转镜面的制造精确度，提出了抛光前二轴联动数控加工椭圆回转镜面方案；
Five-axis NC machine tools are widely used in sculptured surface machining for its higher performance than 3-axis machine tools.
五轴数控加工以其灵活、高精度、高效率等特点在复杂曲面加工中得到了越来越广泛的使用。
This paper introduces the operating principle of manufacturing complex surface in 5-axis nc machine. It is emphasis on error model of complex surface by ring mill cutter in 5-axis nc machining.
介绍了五轴数控机床加工复杂曲面的工作原理，重点分析了五轴数控加工时采用环形铣刀加工复杂曲面的误差模型，提出了误差补偿的具体方法。
On the basis of the differential geometry, the geometrical theory of machining free form surface by cylindrical cutter in 5-axis NC machine tool is investigated.
从微分几何学的角度，探讨了在五坐标数控机床上采用圆柱形刀具线接触加工自由曲面的几何学原理，分析了刀具面与被加工曲面二阶密切的条件。
This paper presented a methodology and algorithm of tool orientation control for 5-axis sculptured surface CNC machining.
针对复杂曲面的五轴加工，提出了一种刀具方向控制的方法，并给出了相应的算法。
This paper presented a methodology and algorithm of tool orientation control for 5-axis sculptured surface CNC machining.
针对复杂曲面的五轴加工，提出了一种刀具方向控制的方法，并给出了相应的算法。
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