New gear finishing hob is based on a new cutting theory and has a continuous cutting edge;its manufacturing and edge grinding are very simple and no shock in the process of cutting gears.

• 摘要新构形齿轮精加工刀具采用新切齿法，具有连续的切削刃，使得切齿过程中无冲击，刀具的制造和刃磨都非常简单。