Multi-Rope Friction Hoisting

This paper out lines t he principles of friction hoisting and the components involved, and gives a description of a specific mine hoist. Friction hoisting is compared with conventional drum hoisting, and t he depth of shaft at which friction hoists become more economical than drum hoists, with respect to power consumption, is determined.
Keywords: coefficient of friction, drum, Europe, lbs, sheave, Friction, Friction hoists, Hoisting, Hoists, Load, Retardation, Rope, Ropes, Shafts, Skips
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