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给出了回转铣刀上等螺距刃口曲线设计的通用公式 ,进而应用通用公式推出凸弧的球头铣刀上连续的等螺距刃口曲线
The general formula of the curve design of the upper pitch helical cutter on the rotary milling cutter is given, and then the continuous equal pitch cutting edge curve on the ball nose cutter of the convex arc is deduced by the general formula