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把微分几何中曲线与曲面之间的“切触”概念应用于高速机车流线型复杂曲面的数控加工 ,提出用圆柱铣刀的外圆在五坐标联动中加工小曲率曲面的最佳切触条件 .
The concept of “touch-in” between curves and surfaces in differential geometry is applied to the NC machining of streamlined curved surfaces in high-speed locomotives. The optimal contact condition for machining small curvature surfaces with cylindrical milling cutter in the five-coordinate linkage is proposed.