Abstract
Monitored cycle times and cycle time segments of three 35 m3 electric rope shovels are given and discussed from a bituminous coal mine in Kuzbass Coal Basin in Siberia, based on daily monitoring reports of a four days period in May 2015. Furthermore, the results of a 45 m3 shovel operating in Northern Europe; and the results of 12 m3 and 15 m3 electric rope shovels surveyed by other researchers operating at Turkish coal mines are also given. Parameters like cycle times, cycle time segments, dig times, dig time over cycle time ratios and process rates are given and depicted, interpreted and discussed.
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