Albert Berera’s Post

View profile for Albert Berera, graphic

Industrial Automation Technology

I think this is a good approach to OEE. you need to have a flexible model that can be shifted easily as some of the decisions may need to be tweaked down the road. Also, OEE is not a grade like you would recieve in school. it's a measurement tool that is meant to help identify and improve the system as a whole.

View profile for Alex Marcy, graphic

CEO & Founder @ Corso Systems Building great tools for manufacturing companies to better serve their customers since 2007.

Every so often I see a webinar along the lines of “Implementing OEE in under an hour” This is definitely do-able. IF you already have all your data points mapped out. The time consuming part of every OEE implementation I’ve seen and done is figuring out what data to use, what data is valid, and getting everyone to agree on what is the correct data in the first place. “Is the machine/line/plant running” is usually the easiest of the pieces to determine with consensus. Oddly enough cycle time, and especially design cycle time to compare with actual cycle time has been one of the most challenging pieces. This tracks with my experience though. Many vendors don’t build in cycle time tracking into their equipment because it’s relatively easy to measure manually for proving everything meets spec. Design cycle time is usually lost to the ages. Quality is usually one of the easiest pieces to integrate, with the main question focused on WHEN quality data is collected. Most processes don’t have real time metrics on quality so there is more integration that needs to happen to update OEE for a batch when quality is collected. My approach is simple. 1. Pick a running state to start, worry about automated downtime reasons and more granularity as the next step after implementing OEE. 2. Make an educated guess for cycle time and design cycle time then adjust. 3. You can ALWAYS adjust the OEE calculation once you get quality data, so if you have it great, if not it’s okay to ignore the quality portion to start. Get started, learn how it works for you, then adjust and improve. Isn’t that the whole goal of OEE in the first place? May as well approach implementing OEE in the same way 😎

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