Abstract
Open-pit or surface mining is considered to be one of the most capital extensive industries in the world. Massive costing and condensed productivity are enforcing organizations for automation of mining machinery especially heavy earth moving machineries (HEMMs) like dumpers, shovel and dozers. Employment of advanced and efficient machinery is a paramount need. The recorded losses such as breakdowns and idling during mining operations are serious challenges. This research article presents an effective methodology to evaluate the efficacy of HEMMs which is commonly termed as “Overall Equipment Effectiveness (OEE).” OEE is a quite familiar name in the manufacturing sector but found a very rare application in the mining field. OEE comprises availability, performance and quality to determine overall efficiency. A practical case study on HEMM (shovel) for open-surface mining has been performed in one of the biggest mining industry of India, using loading time-based (LTB) and standardized calendar time-based approach (CTB) for validation of OEE technique.
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