OEE Utilization Guide | Introduction to Visualizing and Improving Overall Equipment Efficiency
Introductory materials for small and medium-sized manufacturing companies that want to visualize equipment losses and quantitatively identify areas for improvement using OEE.
Even if you feel that "somehow it's inefficient," it can be difficult to grasp losses such as machine downtime, speed reductions, and defects solely through daily reports or intuition, making it hard to prioritize improvements. This document explains the concept of using Overall Equipment Efficiency (OEE) to visualize equipment efficiency along three axes: "Availability Rate," "Performance Rate," and "Quality Rate." It introduces a method to quantify the often-invisible equipment losses and objectively identify areas for improvement. It includes calculation examples, evaluation perspectives, the relationship with the international standard ISO 22400, the seven types of equipment losses, and improvement approaches, making it suitable for site leaders and personnel in small and medium-sized manufacturing industries who want to shift from intuition-based management to data-driven improvement activities. *For more details, please download the PDF or feel free to contact us.*
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basic information
- Target Theme: Overall Equipment Efficiency (OEE). A metric that comprehensively evaluates equipment operational efficiency, making it easy to use as a common standard for improvement activities. - Key Indicators: Composed of three elements: time availability rate, performance efficiency rate, and quality rate. It is easy to identify where the challenges lie, whether in stoppages, speed reductions, or defects. - Calculation Explanation: The calculation procedure is explained using numerical examples from a hypothetical line. Even for first-timers, it is easy to concretely understand how to view OEE. - Evaluation Perspective: Includes comparisons with target values and considerations for identifying bottlenecks. Useful for prioritizing improvements. - Related Indicators: Mentions ISO 22400, TEEP, MTBF, and MTTR. It is easy to organize not only within the company but also based on standard indicators. - Improvement Perspective: Introduces seven types of equipment losses, standardization, IT/IoT utilization, 5S, and PDCA. It facilitates the transition from measurement to improvement activities. *For more details, please download the PDF or feel free to contact us.
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Applications/Examples of results
It can be used for improving equipment efficiency at manufacturing sites, visualizing equipment losses, prioritizing improvement themes, identifying bottleneck processes, understanding quality control indicators, and as OEE educational materials. In particular, it is suitable for small and medium-sized manufacturing companies that want to advance on-site improvements while organizing issues such as machine downtime, speed reduction, defects and rework, setup and startup losses. The text also introduces case studies on improving time operating rates, performance operating rates, and yield rates, as well as the direction for OEE improvement and the concept of starting small with one key piece of equipment, making it effective for raising awareness within the company and creating a common understanding of improvement activities before on-site implementation. *For more details, please download the PDF or feel free to contact us.*
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Company information
Nihon Computer Development Co., Ltd. is a company primarily engaged in the IT transformation of businesses. We focus on supporting the IT implementation of small and medium-sized enterprises, with a key business objective of revitalizing local communities that are deteriorating due to declining birth rates, an aging population, and economic concentration in metropolitan areas. For system development, implementation, and maintenance using userware (proficiency technology), please consult with us.
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