In theory, the small hole-cutting machine can cut arbitrary hole on arbitrary curved surface, and the tube-end incisory robot can incise round tubes' ends of any form.

理论上，小型开孔切割机器人能够在任意曲面上开任意形状的孔，管端切割机器人能完成任意形状的圆管端头的切割。

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The utility model provides a guide pulley device for the linear cutting of the rotating end surface, belonging to the auxiliary apparatus of an NC linear cutting machine tool.

回转端面线切割导轮装置，属于数控线切割机床的辅助设备。

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This paper presents an approach to machine steam turbine blades in 5-axis NC. By means of using a disc cutter with a concave end, curvature fitting is used to machine the convex and concave surface.

提出了一种汽轮机叶片五轴数控加工的实用方法，对于叶背和叶盆采用中凹盘形铣刀，基于密切曲率法给出优化刀位轨迹的计算方法；

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