球形滚刀的螺旋升角及其理论误差

The Theoretical Error and the Helical Lead of Spherical Hob

从球形滚刀的设计、制造和使用过程的需要出发．提出了球面螺旋升角的概念．给出了它的计算方法．分析了由于球面螺旋升角的变化引起的球形滚刀的理论误差．

The concept and the calculating method of spherical belieal lead are presented in this paper. The theoretical error resulted from the change of the spherical belieal hob is also analyzed.