Some key technical problems in research and manufacture of CFZ-1500 percussion reverse circulation drill are discussed in this paper, including crank connecting rod clevel automatical percussion mechanism, forced balance of synchronous hoist system, reverse circulation system as well as percussion bit.
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胡定成. CFZ-1500型冲击反循环钻机研制中的几个问题[J].钻探工程,2000,(2):23-24.HU Ding cheng. Several Problems Encountered in Research and Manufacture of CFZ-1500 Percussion Reverse-circulation Drill[J]. Drilling Engineering, 2000,(2):23-24.