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Reliability Investigation for a Fleet of Load Haul Dump Machines in a Mine

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Author(s): Dhiren Kumar Behera | Asis Sarkar | Ambuja Behera

Journal: International Journal of Computer Science and Management Studies
ISSN 2231-5268

Volume: 11;
Issue: 02;
Start page: 186;
Date: 2011;
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Keywords: Reliability | TTT Plot | Maximum likelihood

ABSTRACT
The recent deployment of complex and capital intensiveequipment in mines has resulted in increased interest in themaintenance and operational reliability of these equipments.This is because random equipment failure has consequencesthat influence the total operating cost of this system. Thiscase study analyses the reliability of a fleet of load hauldump machines in a Coal India mine situated in NagpurThere are three goals of this case study: To estimate theoperational reliability of these machines secondly to Locateitems or assemblies that need improvement in design toenhance the reliability. Thirdly to decide whether preventivemaintenance should be applied. Failure data of one year ofload haul dump (LHD) machines are analyzed and otheranalytical methods are used in the analysis.

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