磨前滚刀齿廓形式及其几何关系的研究

The Research on the Profile and Geometrical Relationship of Pre-grinding Hob

分析了磨前滚刀齿廓形式及其几何关系，给出了齿形参数间正确的几何关系式，并对国家标准中磨前滚刀的数据进行了研究，给出了正确的数据．

Analizes the profile and geometrical relationship of Pie-grinding nob,gives correct formulae between the diameters of pre-grinding hob's profile and researches the data of pre-grinding in national standard and gives correct data.