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Key words:
DTH impactor is a kind of rock drilling equipment used in supporting DTH drilling rig. The high-wind pressure down-the-hole impactor, the high-wind pressure down-the-hole drill bit and the down-the-hole drill pipe together form a down-the-hole drill set. The working principle of the down-the-hole impactor is to use compressed air as the power to submersible the rock drilling impact power part into the rock drilling hole. The air distribution device in the impactor controls the piston to make a reciprocating motion, impacting the down drill bit to break.
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