Browse Publications Technical Papers 2012-01-0502

Equivalence Unit Assumptions on Productivity and Capacity Evaluations 2012-01-0502

In addition to providing a wide product range and meeting individual requirements of the customers to make the companies able to orient themselves to the competitive conditions in the automotive industry, properly structuring a capacity-productivity calculation algorithm is of a great importance in obtaining a competitive price advantage. In cases product diversity is too wide, and finished products cannot be measured with a single unit, measuring the production efficiency gets complicated. In addition, the ability to analyze all the inputs and outputs of the production with a single unit based on the same value for enterprises instead of analysis of combined units carried out based on a single perspective when calculating the production efficiency of the enterprises underlies continuous improvement and being able to set goals for the processes.
This study describes an integrated system design based on equivalence logic, which can set forth production efficiency and the capacity utilization level in many aspects. First, equivalence situation of the finished products compared to one another was evaluated based on parameters such as the machine time, the labor time and energy utilization, and efficiency criteria have been developed according to the equivalent product regarding these parameters. Efficiency and activity criteria, and globally-accepted metrics (for example, from OEE) have been utilized in the study. Furthermore, the metrics that have been developed concerning measurement of the labor productivity, and could not be explained bu OEE are remarkable
The enterprises that can express their outputs in multiple units, and use only one of these units in productivity measurement will measure more accurately their productivity and capacity for their enterprises, and set their targets more realistically by applying the model created in the reference study.


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