Improved Accuracy Overall Equipment Effectiveness (OEE) Value at The Plastic Injection Process Using a Two Stage-DMAIC Fuzzy Arithmetic: The Case Studies
Subject Areas : Statistical Quality Control
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Keywords: Overall Equipment Effectiveness, Fuzzy Arithmetic, DMAIC, Six Sigma, OEE,
Abstract :
The total production capacity of a processing machine is determined using the total Equipment Effectiveness (OEE) index, which has a standard of above 71%. Managers in the industrial sector can make decisions more easily thanks to the OEE index. According to this study, a hybrid Six Sigma strategy based on fuzzy and interval arithmetic is appropriate. First, Six Sigma assesses the whole production process and provides recommendations for improvement. Second, when calculating OEE values, the two fuzzy arithmetic and interval arithmetic approaches evaluate both important and obscure aspects. As a result of the study's findings, the OEE value for the plastic injection process has increased to 88%, and the Manufacturing Execution System (MES) system has been set up to use real-time OEE monitoring with three indicators: production rate, downtime, and quality loss. This research is widely used for similar manufacturing processes making improvements from Industry 3.0 processes to Industry 4.0. The model is not new but is highly effective in analyzing production data in an uncertain environment.
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