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Reliability modeling of hydraulic system of drum shearer machine
Faculty of Mining, Petroleum & Geophysics, Shahrood University of Technology.
Faculty of Mining, Petroleum & Geophysics, Shahrood University of Technology.
Faculty of Mining, Petroleum & Geophysics, Shahrood University of Technology.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2011 (English)In: Journal of Coal Science and Engineering (China), ISSN 1006-9097, E-ISSN 1866-6566, Vol. 17, no 4, p. 450-456Article in journal (Refereed) Published
Abstract [en]

The hydraulic system plays an important role in supplying power and its transition to other working parts of a coal shearer machine. In this paper, the reliability of the hydraulic system of a drum shearer was analyzed. A case study was done in the Tabas Coal Mine in Iran for failure data collection. The results of the statistical analysis show that the time between failures (TBF) data of this system followed the 3-parameters Weibull distribution. There is about a 54% chance that the hydraulic system of the drum shearer will not fail for the first 50 h of operation. The developed model shows that the reliability of the hydraulic system reduces to a zero value after approximately 1 650 hours of operation. The failure rate of this system decreases when time increases. Therefore, corrective maintenance (run-to-failure) was selected as the best maintenance strategy for it

Place, publisher, year, edition, pages
2011. Vol. 17, no 4, p. 450-456
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-7603DOI: 10.1007/s12404-011-0419-3Local ID: 5fd577ca-77cc-4ed3-904a-76acfddede3fOAI: oai:DiVA.org:ltu-7603DiVA, id: diva2:980493
Note
Validerad; 2012; 20120224 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Hoseinie, HadiKumar, Uday

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