Browsing by Author "Segovia, RA"

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    Reliability model for the optimal replacement of shovel cables
    (INST MINING METALLURGY, 1999) Knights, PF; Segovia, RA
    A reliability model has been developed for the optimal replacement of mining shovel cables on the basis of adherence to a replacement policy governed by number of hours. Change-out times are determined that minimize the expected cost per operating hour for cable replacements. The model is generic in nature and can be applied to non-repairable components subject to wear that have high capital and installation costs and do not lend themselves to continuous condition monitoring. The model incorporates the effect of periodic inspections and provides a methodology for the calculation of confidence intervals associated with replacement times and hourly operating costs.