Engineering Application of Knapsack Type Drilling Machine and Its Problems
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308 Team, Yunnan Province Nonferrous Geological Bureau

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P634.3 1

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    Abstract:

    With the case of Shaw knapsack type drilling machine of US, the analysis is made on the problems in engineering application, the insufficient drilling depth, instability of bit and water pressure, serious sample disturbance and engine stall, which are discussed for solutions. In view of the usage situation, the improvement suggestions are put forward.

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History
  • Received:March 09,2016
  • Revised:March 09,2016
  • Adopted:March 25,2016
  • Online: May 12,2016
  • Published:
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