By using it, the model of equal lead on the cutter can be applied to the cylinder, cone and sphere.
通过该模型，分别建立了柱面上、球面上和锥面上球头立铣刀的等导程螺旋线的数学模型。
2
As a result of using the cone sharpening method sharpening drilling cutter's Flank, improving surface quality and machining precision, extending the lifetime of the drilling cutter substantially.
The device is posterior cutter grinding to drill in cone surface grinding method that it can vouch for drill with reasonable back Angle, and symmetry precision is high.