In the article there is an analysis of OEE (Overall Equipment Effectiveness) and EPEI (or EPEx – Every Product Every Interval) indicators of medium size rolling mill plant in one of the raw materials steel mills. Analysis of OEE and EPEI covered period of 12 months. OEE indicator, alongside MTBF (Mean Time Between Failure), MTTR (Mean Time To Repair) and MTTF (Mean Time To Failure) is one of the parameters of TPM method (Total Productive Maintenance). OEE is an assessment of the overall efficiency of the production system equipment. OEE consists of three elements: availability rate, performance rate and quality rate. EPEI indicator is used to assess flexibility of production structure. It indicates production frequency of various final products. Optimized value of EPEI indicator helps to meet clients’ demands and keep the minimal maintenance of resources at the same time.Keywords: medium size rolling mill plant, OEE, EPEx
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