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Ram analysis of rotary drilling machine
epartment of Mining Engineering, Sahand University of Technology, Tabriz.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Number of Authors: 3
2016 (English)In: Mining Science, ISSN 2300-9586, Vol. 23, 77-89 p.Article in journal (Refereed) Published
Abstract [en]

Rotary drilling machines are the most common machines used for drilling the blast holes in mining and constructions activities. The vital role of drilling operation in mining activities reveals that, the performance analysis of drilling machines and their failure and repair behaviors are essential. There-fore, the present study focuses on the reliability, availability and maintainability (RAM) of drilling ma-chines. In this paper, four rotary drilling machines at Sarcheshmeh Copper Mine in Iran are considered for repair and failure data collection. RAM analysis of drilling machines is done using Markov Approach. Results show that the reliability of drilling fleet is decreased by 0.67% in per hour drilling. The hydraulic system is the main unavailability reason of all machines. Moreover, the most failures of the two newest machines are completely repaired in 25 hours

Place, publisher, year, edition, pages
2016. Vol. 23, 77-89 p.
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-61136DOI: 10.5277/msc162307ScopusID: 2-s2.0-84996503837OAI: oai:DiVA.org:ltu-61136DiVA: diva2:1057591
Available from: 2016-12-19 Created: 2016-12-19 Last updated: 2016-12-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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