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Characteristics of a cutter-loader with a percussive effector unit

  • Mechanization and Automation in Mining
  • Published:
Soviet mining science Aims and scope

Conclusions

  1. 1.

    From the results of pit investigations the authors have determined approximate values for the energy parameters of the effector units of a machine with high-energy percussive rock breaking. The effector unit of an entry-driving machine for hard rocks cutting workings 15 m2 in cross section should have an impact energy of 20,000 kgf·m and a frequency of 60 min−1.

  2. 2.

    The authors give analytical relations for the size of the effector unit and the frame of an entry-driving machine with high-energy breaking.

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Literature Cited

  1. B. V. Voitsekhovskii, L. A. Mitin, and F. F. Voitsekhovskaya, “Efficiency of high impact energies for breaking hard ledge rocks,” Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 4 (1974).

  2. High-Energy Impact Rock Breakage: Research Program Annual Report, March, 1972, Report TM-7204, Ingersoll-Rand.

  3. Institute of Nonferrous Metallurgy Information (Institut Tsvetmetinformatsiya), Brief Communications, Series 1, Mining, No. 25 [in Russian], October 10, 1974.

  4. F. F. Voitsekhovskaya and L. A. Mitin, “Wear resistance of a percussive bit and influence of impact parameters on the indices of fracture of rocks (experimental investigations in pit conditions),” in: Aspects of Hydroimpulsive Technique [in Russian], No. 1, Novosibirsk (1970).

  5. Experimental Investigations in Pit Conditions of the Process of Percussive Rock Breaking: Report of Institute of Hydrodynamics and Special Constructional Bureau of GIT [in Russian], Novosibirsk (1969).

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Authors and Affiliations

  1. Institute of Hydrodynamics, Siberian Branch, Academy of Sciences of the USSR, Novosibirsk, Russia

    L. A. Mitin, P. Ya. Fadeev, V. Ya. Fadeev, R. A. Kulagin & N. P. Ermilov

Authors
  1. L. A. Mitin
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  2. P. Ya. Fadeev
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  3. V. Ya. Fadeev
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  4. R. A. Kulagin
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  5. N. P. Ermilov
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Additional information

Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 6, pp. 51–54, November–December, 1976.

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Mitin, L.A., Fadeev, P.Y., Fadeev, V.Y. et al. Characteristics of a cutter-loader with a percussive effector unit. Soviet Mining Science 12, 604–607 (1976). https://doi.org/10.1007/BF02497454

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  • DOI: https://doi.org/10.1007/BF02497454

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