drill sharpening

This device can overcome the limitations in sharpening small-diameter drills in the interior conical surface and hence improves the efficiency and quality in twist drill's sharpening.

克服了用成型砂轮实现麻花钻的内锥面刃磨时，小直径尺寸的麻花钻无法磨削的缺点，同时又能提高麻花钻的刃磨效率和刃磨质量。

The utility model discloses a sliding gauge for drill sharpening which is an inspection tool for drill sharpening, comprising a main gauge and an auxiliary gauge.

刃磨钻头活动卡规，是用于钻头刃磨时的一种检查工具。

The utility model has the advantages of simple structural design, small size, low cost, easy operation, labor saving, time saving and low cutting consumption for drill bit sharpening.

具有一是结构设计简单、体小、成本低；二是操作简便、省工省时且钻头刃磨消耗小的优点。

In this paper, a mathematical model for CMFD with unsymmetrical two-sided chip-split groove is established to resolve the problem of grinding the drill with numerically-controlled sharpening of tool edge machine.

为了解决在数控群钻刃磨机床上刃磨出双边非对称分屑糟群钻，本文建立了双边非对称分屑槽群钻的数学模型。