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Vol 157
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Bench tests of pneumatic perforators with a twin hammer

V. A. Pivnev1
Z. A. Sazhko2
Yu. V. Sudenkov3
D. A. Yungmeister4
A. L. Kuripko5
About authors
  • 1 — OAO Apatit
  • 2 — St. Petersburg State University
  • 3 — St. Petersburg State University
  • 4 — G.V. Plekhanov Saint Petersburg Mining University
  • 5 — G.V. Plekhanov Saint Petersburg Mining University
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The results of studies of impact processes, including the system piston - striker - rod, are considered. The energy of the shock pulse family at the impact of the piston with the striker is 10-20 % higher than this indicator at the impact with the solid piston. Based on the results of bench studies, the design of a perforator with a dual percussion system was designed and tested in the conditions of the Kirov mine of ОАО Apatit.

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  1. Коломийцов М.Д. Эксплуатация горных машин и автоматизированных комплексов / ЛГИ. Л, 1988.
  2. Иванов К.И. Техника бурения при разработке месторождений полезных ископаемых. М.: Недра, 1987.

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