At the geometry parameters of hobbing cutter, tooth shape design, regrinding the precision of shape of tooth and standards etc. respects, have carried on extensive and deep research.

• 其创新点在于：在滚刀的几何参数方面，论证了减小滚刀的直径可以提高滚刀与齿轮的范成速度、缩短切入切出时间，加长滚刀的长度可以提高滚刀的使用寿命，并给出了设计依据；