Fuad Abu M, Takia Nusra Akter, Zafir Hasin Ahmad, Farrok Omar
Department of Electrical and Electronic Engineering, Ahsanullah University of Science and Technology, Dhaka, Bangladesh.
Department of Electrical and Electronic Engineering, University of Scholars, Dhaka, Bangladesh.
PLoS One. 2025 May 9;20(5):e0320761. doi: 10.1371/journal.pone.0320761. eCollection 2025.
This case study aims to investigate the causes of low efficiency in a carton production line by calculating Overall Equipment Effectiveness (OEE). A typical carton factory has been chosen for this study, which has two production lines, namely finished goods and corrugated boards. The define, measure, analyze, improve, and control approach is applied while implementing Six Sigma principles such as Kaizen, fishbone diagrams, and 5W+1H as its systematic procedure. The analysis involves estimating four machines' average OEE across 12 shifts. A cost-effective method is applied to resolve the problems that cause the lines to be less efficient. By applying the proposed method, the OEE becomes more efficient by 29% for finished goods and 9% for corrugated boards. Value stream mapping has been used to track the improvements. It is found that emphasizing higher OEE values enhances operational performance, leading to better efficiency, power usage, cycle time, and equipment repair.
本案例研究旨在通过计算整体设备效能（OEE）来调查纸箱生产线效率低下的原因。本研究选取了一家典型的纸箱厂，该厂有两条生产线，即成品生产线和瓦楞纸板生产线。在实施六西格玛原则（如改善、鱼骨图和5W + 1H）作为其系统程序时，应用了定义、测量、分析、改进和控制方法。分析涉及估算四台机器在12个班次中的平均OEE。采用了一种经济高效的方法来解决导致生产线效率低下的问题。通过应用所提出的方法，成品生产线的OEE提高了29%，瓦楞纸板生产线的OEE提高了9%。价值流图已被用于跟踪改进情况。研究发现，强调更高的OEE值可提高运营绩效，从而带来更高的效率、更低的电力消耗、更短的周期时间和更少的设备维修。
