至今刃磨钻头仍然是一个需要解决的问题,因为远非所有钻头都能用专门的设备刃磨,大部分钻头还要用于手工刃磨。用手工磨钻头对钻头的寿命和加工表面的精度和粗糙度不利,因此,有必要研制不复杂的刃磨装置和寻求简单的刃磨方法。一种最简单的方法是使刀刃的后面磨成一 Sharpening drill bits is still a problem that needs to be solved to date, because far from all the bits can be sharpened with specialized equipment, most of the bits are also used for manual sharpening. Using hand-drilled bits adversely affects the life of the bit and the precision and roughness of the machined surface, so it is necessary to develop an uncomplicated sharpening device and to find a simple sharpening method. One of the easiest ways is to grind the back of the blade into one