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Impact of real-time measurements of operating conditions on effectiveness and accuracy of vibration-based maintenance policy: A Case Study in Paper Mill
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design. (Systemekonomi)
2000 (English)In: Journal of Quality in Maintenance Engineering, ISSN 1355-2511, E-ISSN 1758-7832, Vol. 6, no 4, 275-287 p.Article in journal (Refereed) Published
Abstract [en]

Relevant and reliable data from the surroundings in addition to the vibration measurements are required to achieve effective diagnosis and prognosis when a vibration-based maintenance (VBM) policy is used.

The main conclusion is that the variation in the machine load and speeds influences the amplitudes of rolling element bearing defect frequencies. Therefore, changes in the machine speed and load should be considered when interpreting vibration spectra. This will improve the effectiveness and accuracy of fault diagnosis and prediction of the time to maintenance action.

The paper classifies stoppage times and highlights the reasons behind them. Also, it discusses the consequential economic losses incurred by unplanned stoppages. During the period covered by this study (fifty-eight days), the total stoppage time was about 76.6 days and caused appreciable economic losses of about 2,3 millions SEK.

Place, publisher, year, edition, pages
2000. Vol. 6, no 4, 275-287 p.
Keyword [en]
Operating conditions, unplanned stoppages, real time measurements, economic losses, vibration monitoring and diagnosis.
National Category
Engineering and Technology
Research subject
Technology (byts ev till Engineering), Terotechnology
Identifiers
URN: urn:nbn:se:lnu:diva-21347DOI: 10.1108/13552510010346815OAI: oai:DiVA.org:lnu-21347DiVA: diva2:548275
Available from: 2012-08-30 Created: 2012-08-30 Last updated: 2017-12-07Bibliographically approved

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Al-Najjar, Basim

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