Tag Archives: drill bit grinding

March 22, 2019

The aperture problem and its solution of twist drill in drilling

What reason is aperture slant small when twist drill is drilling? If the drill hole is not round, it is probably because the bit edge belt has been seriously worn down. In this case, all you have to do is to change the drill bit or to polish the drill bit. What reason is the […]

yeff Technology

March 13, 2019

Several forms of wear by which a drill bit is worn

The drill bit is semi-closed cutting, and the heat of drilling is difficult to spread outward, so it is easier to form a high cutting temperature. Therefore, the main cause of bit wear is thermal wear, for high-speed steel bit, mainly phase change wear. In addition, there are contact fatigue, excessive deformation, edge breaking, brittle […]

yeff Technology

Tag Archives: drill bit grinding

The aperture problem and its solution of twist drill in drilling

Several forms of wear by which a drill bit is worn

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