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Tapered blade bits mainly include horseshoe chisel bit and oblique-chipway chisel bits and cross bits. Among these, the horseshoe chisel bits and the oblique-chipway chisel bits are mainly used for drilling small holes and short holes, and the cross bits are used for drilling long holes in hard and crack rock conditions. The tapered blade bits are mainly used in mining, quarrying, tunneling, bolting, etc.
Key words:
Hydraulic rock drill is a kind of high-efficiency rock drilling equipment powered by high-pressure oil. In the impact rock drilling system, the rock drill is the power mechanism to complete the energy conversion. The drill rod and the connecting sleeve are the power transmission mechanism, and the function of the drill bit is to break the rock to form a gun hole. The hydraulic rock drill is the key equipment of the whole percussive rock drilling system.
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