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Title:
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RELIABILITY INVESTIGATION FOR A FLEET OF LOAD HAUL DUMP MACHINES IN A MINE
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Author:
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Dhiren Kumar Behera , Asis Sarkar , Ambuja Behera
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Keywords:
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Reliability, TTT Plot, Maximum likelihood estimator (M.L.E.), time between successive failures (T.B.F.)
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Abstract:
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The recent deployment of complex and capital intensive equipment in mines has resulted in increased interest in the maintenance and operational reliability of these equipments. This is because random equipment failure has consequences that influence the total operating cost of this system. This case study analyses the reliability of a fleet of load haul dump machines in a Coal India mine situated in Nagpur There are three goals of this case study: To estimate the operational reliability of these machines secondly to Locate items or assemblies that need improvement in design to enhance the reliability. Thirdly to decide whether preventive maintenance should be applied. Failure data of one year of load haul dump (LHD) machines are analyzed and other analytical methods are used in the analysis.
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