The necessity to equip cable excavators with rotary buckets is substantiated. The results of graphic-analytical analysis of
the rotary bucket operation are presented, and its main advantages are determined in comparison with conventional buckets
in mining coal seams of complex structure.
Excavator - bucket - coal seam - blast-free mining process
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 2, pp. 59–99. March–April, 2005.