Reasons for Broken Bits of 3 – D NC Drilling

Oct 07
2016

Three-dimensional CNC drilling machine is mainly used for drilling, reaming, reaming, tapping and other processing, so that the role of the drill is very important, but also three-dimensional CNC drilling machine is relatively easy to damage parts today, we come to understand the three- Causes of Broken Bits of CNC Drilling.
1. The drill bit blunt, but still continue drilling.
1. Drill the spiral groove is blocked by the chip, not in time to chip discharge.
3. When the hole is drilled fast, the feed is not reduced or the manual feed is changed.
4 drill brass soft metal, the drill horn too big, no horn grinding front, resulting in automatic precession drill.
5. Drill grinding is too sharp, resulting in chipping phenomenon, but did not quickly retreat.
The above mentioned is the cause of three-dimensional CNC drilling machine drill bit broken, since the root cause of the problem, it is not difficult to find a solution to this problem.

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