Carbide drilling uses hard carbide as cutting tools to break (cut) rocks, that is, under axial pressure and drilling tools
Under the action of rotation force, the cemented carbide is used to extract (press in, crush, and cut) the broken rock. There are four processes in carbide drilling;
(1) The cemented carbide drill bit uses axial pressure and the rotation of the drilling tool to break the rock at the bottom of the hole;
(2) The extracted and broken rock particles are discharged out of the hole by the flushing fluid injected into the manhole; at the same time, the flushing fluid also plays a role in cooling the drill.
The function of the head;
(3) During the drilling process, while the rock is being extracted and broken, the alloy itself is constantly blunted and worn. Therefore it must be timed
Replace drill bit;
(4) Rock (ore) cores must be taken regularly during the drilling process.
Among the above four processes, the most important one is the third process, that is, when studying the principles of cemented carbide drilling. Research should focus on hard
The process of cemented carbide drilling into broken rock and the wear problem of cemented carbide itself.
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