| Summary: | Among ways of measuring and improving the efficiency of industrial processes, we highlight the use of Overall Equipment Effectiveness (OEE) also known as the Global Efficiency Index. This efficiency indicator is characterized by taking into account these factors in its calculation: available time; rhythm; product quality. OEE has been widely implemented for the control and improvement of machines. However, when it is implemented in manufacturing cells, there are parameters that must be discussed
and adjusted, such as what standard time to use, because the machines in the cell have different standard times. The purpose of this paper is to use Takt time as standard time in OEE calculation
as the most accurate way of measuring efficiency in a manufacturing cell. Through a case study at a metallurgical company, it has been demonstrated that the most appropriate way to measure OEE in a manufacturing cell is using takt time.
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