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Total Quality Maintenance for Assuring Continuous Improvement of Company’s Profitability and Competitiveness: Case Studies
Växjö universitet, Fakulteten för matematik/naturvetenskap/teknik, Institutionen för teknik och design.ORCID-id: 0000-0001-8205-8289
2006 (engelsk)Inngår i: Condition monitoring and diagnostic engineering management: COMADEM 2006 / [ed] Kumar, U. ; Parida, A ; Rao, R. B. K. N., Luleå universitet, Luleå , 2006, s. 181-190Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Industries with intensive invested capital demands healthy processes continuously to achieve their economic goals, because any interruption of the production caused by any equipment malfunction or failure may result in a major disruption of output or even production shutdown. Thus, an effective maintenance concept should be evolved to provide the required tools, data and methods for detecting deviations at an early stage to maintain and enhance the availability of machinery, product quality and profits. A new concept of condition-based maintenance (CBM), Total Quality Maintenance (TQMain) is presented. It aims to maintain not only machines but the quality of the essential elements involved in the production process, such as methods, operational conditions, personnel competence, raw material, quality and managerial systems. The major results have achieved in this study are

Evidence of prolonging the bearing's mean effective live by using more accurate diagnosis and prognosis are confirmed when faulty bearing installation, faulty machinery design and harsh environmental condition are considered.

Changes in the machine speed and load influence the information delivered by vibration signals.

Applying vibration spectral analysis, it is possible to detect the deviations in the quality of a product during the processing time and before it is completed.

Maintenance profit of one paper machine was found to be at minimum about 3.58 MSEK yearly.

The main conclusion is; identifying and eliminating causes behind deviations in quality and equipment condition at an early stage are vital to accomplish continuous improvements and to assure longer machine live and high quality products at competitive price. Several case studies have been conducted during the last ten years to verify the applicability and benefits of TQMain are discussed

sted, utgiver, år, opplag, sider
Luleå universitet, Luleå , 2006. s. 181-190
Emneord [en]
Failure causes, Rolling Element Bearings, Vibration Signal Analysis, Condition and Quality control, Total Quality Maintenance, Integration of CBM and IT-System, Cost-effective maintenance policy
HSV kategori
Forskningsprogram
Teknik, Systemekonomi
Identifikatorer
URN: urn:nbn:se:vxu:diva-4525ISBN: 9789163188060 (tryckt)OAI: oai:DiVA.org:vxu-4525DiVA, id: diva2:204483
Konferanse
19th COMADEM 2006, June in Luleå, Sweden
Tilgjengelig fra: 2007-05-08 Laget: 2007-05-08 Sist oppdatert: 2019-02-26bibliografisk kontrollert

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