how to sharpen a drill for soft material

How to sharpen drill bits for metal and concrete, how to sharpen a drill for soft material, Requires no special evidence that drill work process loses the sharpness of cutting part, i.e., speaking simply, blunts. Blunt drill does not cause anxiety until it proves to be necessary. Then suddenly it turns out that work or with a blunt, threadbare drill impossible. It remains only to regret that you do not drill size and geometry are restored. In this article, you will learn how to sharpen a drill twist, as well as drill with solid tipped for drilling of concrete.

During sharpening drills, try to be precise and carefully keep it cutting parties were of the same size. If this cannot be achieved, then shifted the Centre of Riviera, necessarily lead to what hole drilling will be increased and uneven. Regardless of the device that is running the edge, need to monitor the ratio of front and rear angles of cutting edge in the direction of rotation. Another rule that must be followed to correctly sharpen drill bits: the harder the material, the greater the angle for sharpening. For drill bits it is 170 degrees.

In the process of sharpening drill bits should not be allowed to heat, because there can be cracks and perhaps exfoliation of carbide. To prevent this, you should periodically to cool the drill bit. For cooling you can use plain water.

how to sharpen a drill for soft material Sharpening drill bits