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采用向量运动法得到圆广义渐开线的一般方程，分析涡旋盘加工过程中对刀误差对涡旋线型精度造成的影响，解释了创成法加工涡旋盘的原理．指出一般工程中的 ｌ０ ，ｌ１ 两个参数就是对刀误差在两个相互垂直方向上的投影，并采用极角误差以及向径误差来描述线型误差．
The general equation of the generalized involute curve is obtained by the vector motion method. The influence of the tool setting error on the vortex line accuracy during the machining process is analyzed, and the principle of creating the machining vortex plate is explained. It is pointed out that the two parameters l0 and l1 in the general project are the projection of the tool setting error in two mutually perpendicular directions and the polar error and the radial error are used to describe the linear error.