Abstract
The down-the-hole unbalance vibration exciter with the pneumatic drive is designed to treat face zone in the seismic frequency range. The modular-type source consists of a vibration generator with the automated stepped static moment variation, a hold-down unit and an in-built pneumatic percussive device to advance the facility in uncased holes. The article gives pilot test data on R&D model of the vibration exciter, and amplitude–frequency characteristic and spectral content of the excited signal.
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Original Russian Text © S.V. Serdyukov, L.A. Rybalkin, P.A. Dergach, A.S. Serdyukov, A.V. Azarov, 2016, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2016, No. 5, pp. 197–204.
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Serdyukov, S.V., Rybalkin, L.A., Dergach, P.A. et al. Down-the-hole unbalance vibration exciter for seismic treatment of bottom-hole zone. J Min Sci 52, 1024–1030 (2016). https://doi.org/10.1134/S1062739116041551
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DOI: https://doi.org/10.1134/S1062739116041551