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在给出等螺旋角回转刀具刀刃曲线上螺旋角的通用公式的基础上，利用累加弦长三次参数样条函数和常微分方程的数值求解法龙格库塔法，提出了等螺旋角刀刃曲线的通用算法，为实现等螺旋角回转类铣刀ＣＡＤ／ＣＡＭ软件的通用化打下了基础．另外给出了通用算法的程序框图
Based on the general formula of the helix angle on the curve of the helix angle tool, the three-parameter spline function with additive chord length and the numerical solution of the Runge-Kutta method of the ordinary differential equation are proposed. The general algorithm for the realization of helix angle helical milling cutter CAD / CAM software to lay a foundation. In addition, a general block diagram of the algorithm is given