Abstract
The subject of the studies is the evaluation of the operation of a production system after
modernization. The analysed case concerns the modernization forced by the end of the
product lifetime. The proposed methodology is that of a multicriterial evaluation of the
system operation after modernization. The evaluation criteria are selected TPM indices:
availability of machinery and equipment, production process capacity, product quality and
overall equipment effectiveness (OEE). The additional criteria are reliability indices MTBF
and MTTR of studied production lines and the MTTR of the most unreliable equipment in
each analysed line. A yearly monitoring of production process was proposed for obtaining
the statistical credibility of the evaluation results. Additionally, a fuzzy indicator of
acceptability of the modernization assessment was proposed. The paper presents the results
of studies of the system for production of zinc concentrate from post-production waste.
The obtained values of OEE, MTBF and MTTR indicators for the three tested lines make it
possible to state that the modernization carried out is acceptable.
Publisher
Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
Subject
Industrial and Manufacturing Engineering,Safety, Risk, Reliability and Quality
Cited by
3 articles.
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