高速牵引齿轮磨前滚刀齿形设计的一种方法

A Kind of Method Desigining Tooth Form of Pre-Grinding Hob Used in Higb-Speed Traction Gears

根据高速牵引齿轮对齿轮滚刀的特殊要求，提出了设计磨前滚刀齿形的新方法，并用此法设计了高速机车牵引齿轮的磨前滚刀。

Gives a new method which designs tooth forms of pre-grinding hob according to thepartical demands on hob of gear,and designs a kind of pre-grinding hob used in high-speed trac-tion gears.