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Ram analysis of rotary drilling machine
epartment of Mining Engineering, Sahand University of Technology, Tabriz.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.ORCID-id: 0000-0003-1377-8180
Rekke forfattare: 32016 (engelsk)Inngår i: Mining Science, ISSN 2300-9586, Vol. 23, s. 77-89Artikkel i tidsskrift (Fagfellevurdert) 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

sted, utgiver, år, opplag, sider
2016. Vol. 23, s. 77-89
HSV kategori
Forskningsprogram
Drift och underhållsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-61136DOI: 10.5277/msc162307ISI: 000417402800007Scopus ID: 2-s2.0-84996503837OAI: oai:DiVA.org:ltu-61136DiVA, id: diva2:1057591
Tilgjengelig fra: 2016-12-19 Laget: 2016-12-19 Sist oppdatert: 2021-10-15bibliografisk kontrollert

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