OEE is a great metric to dig into when working on lean manufacturing initiatives. However, companies that have found success using the metric recommend using it as a baseline and not relying on OEE entirely. Use it just in-plant, not across all plants for the most accurate information. Also, they didn't only look at the aggregated number! Looking at each metric individually as well as the calculated OEE will give you better insights as to where you can improve. Their final advice was to make sure you factor equipment setup times into your OEE calculations for the best results.
In particular, too much reliance on OEE can hide manufacturing performance gaps at the machine, production line, and plant or factory level.Because symptoms and signs of manufacturing performance gaps are hidden behind aggregated of data used to calculate OEE, using OEE alone is not the answer to increasing lean manufacturing performance in any plant or with any production line or machine.Read More