Transcription of Underwind and overwind protection systems with …
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Underwind and overwind protection systems with …
411 The Journal of The South African Institute of Mining and MetallurgyAUGUST 2004 IntroductionMine hoist operation carries particular riskof crash-type accidents at the upper and lowerextremities of the hoisting range. Furthermore,a number of factors combine to increase theseverity of the consequences that such anaccident could have. Among these are the largenumber of workers carried by cages and thehigh load of ore carried by skips, large numberof hoists per day, long hoisting distance, highhoisting speed, the fact that a number ofconveyances are operated in a shaft, and thedependency of mining operations on the Underwind incident occurs when theconveyance overruns the design loweroperational limit and is at risk of crashing intothe shaft bottom.
Underwind and overwind protection systems with enhanced self-suffiency deceleration. This legislation on the deceleration value is not included in …
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