Many drill bits can be seen around us, the most common one is the wood auger drill bit . So today we will learn about the problems and causes of the wood auger drill bit.
The drill bit breaks during drilling, which may be caused by the lip clearance angle are too small or the drilling speed is too high, the feed is large, or the bit is dulled and continues to press.
When the cutting edge breaks during drilling, it may be caused by hard spots in the material of the workpiece or too fast feed, improper selection of the drilling speed, and no simultaneous cutting during drilling.
When drilling, only one chip is discharged, which may be the reason that the two cutting edges are not equal in length or the half-angle of the drill tip is not equal.
The squeaking sound when drilling may be caused by uneven drilling or the dullness of the drill bit.
The above problems HSS cobalt drill bit may also be encountered, so pay more attention when using it. www.jeejatools.com