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Case Study: Model for Economic Lifetime of Drilling Machines in the Swedish Mining Industry
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- Al-Chalabi, Hussan (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Lundberg, Jan (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Ahmadi, Alireza (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- (creator_code:org_t)
- 2015
- 2015
- English.
- In: The Engineering Economist. - 0013-791X .- 1547-2701. ; 60:2, s. 138-154
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The purpose of this paper is to develop a practical economic replacement decision model to identify the economic lifetime of a mining drilling machine. A data driven optimisation model was developed for operating and maintenance costs, purchase price and machine resale value. Equivalent present value of these costs by using discount rate was considered. The proposed model shows that the absolute optimal replacement time (ORT) of a drilling machine used in one underground mine in Sweden is 115 months. Sensitivity and regression analysis show that the maintenance cost has the largest impact on the ORT of this machine. The proposed decision making model is applicable and useful and can be implemented within the mining industry.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Annan samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Other Civil Engineering (hsv//eng)
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
Keyword
- Operation and Maintenance Engineering
- Drift och underhållsteknik
- Mathematical Statistics
- Matematisk statistik
Publication and Content Type
- ref (subject category)
- art (subject category)
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