渐开线螺旋面是工程上广泛应用的廓面之一。其上存在四族特征线：渐开线、螺旋线、直母线及接触迹具有重要的工程意义。本文基于渐开线螺旋面上的特征线族，研究了锥面砂轮磨齿机磨削渐开线斜齿轮廓面的构形原理，并进行了误差特征分析。

An involute helical surface is one of the widely used surfaces in engineering. There are four groups of characteristic lines (involute, helix, straight generatrix, and contacting trace) on involute helical surfaces. And they are important in engineering. In the basis of characteristic lines, the shaping principle of helical involute surfaces grinded with cone-wheel grinding machine is studied. And error characteristics are analyzed.