A rotary drilling machine with a hydraulic automatic control mechanism

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Literature Cited

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    T. K. Beloborodov, A Drilling Machine: Author's Certificate No. 185,305 [in Russian], Ofitsial'nyi Byulleten' Goskomiteta po Delam Izobretenii i Otkrytii, No. 17 (1966).

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    O. D. Alimov, Investigation of the Processes of Rock Breaking during Borehole Drilling [in Russian], Izd. TGU (1960).

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Additional information

Novosibirsk Electrotechnical Institute. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 3, pp. 86–92, May–June, 1974.

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Beloborodov, T.K., Knyazev, V.N. & Gorlov, N.I. A rotary drilling machine with a hydraulic automatic control mechanism. Soviet Mining Science 10, 331–336 (1974). https://doi.org/10.1007/BF02509473

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  • Torque
  • Shock Absorber
  • Planetary Gear
  • Slide Valve
  • Resistive Torque