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Overall Effectiveness
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| Guest post by: John Heap |
Article Overview: The big guys use OEE (Overall Equipment Effectiveness) to measure how well they use the expensive equipment they own. Can small businesses and entrepreneurs use the same measure?
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Overall Effectiveness
OEE (Overall Equipment
Effectiveness)
The big guys (in manufacturing) use OEE as a measure of
performance …. how well they are using
the expensive equipment they own. Can
you?
OEE is a simple concept …. It says that how well you are
doing is a combination of:
the AVAILABILITY of
equipment (what percentage of time it is actually available for work and not
being set-up, cleaned, maintained or repaired)
the PERFORMANCE of the equipment (even though a machine or
piece of equipment is ‘available’, it does not mean it is running at 100% … it
might be running slower than it should be … perhaps because of faulty
materials, an untrained worker or …)
the QUALITY of the stuff coming off or out of the machine
(affected by things which have to be scrapped or redone .. and cost us money).
So, OEE represents the total of downtime losses, speed
losses and quality losses.
The big guys – with their teams of analysts, lean experts
and so on - would set up measures for availability, performance e and quality
and calculate OEE as the product of these factors.
i.e. OEE =
availability% x performance% x quality%
If all factors were at 90%, then OEE = 90% x 90% x 90% =
72.9%
The generally accepted levels of world class performance
are:
Availability 90%
Performance 95%
Quality 99.9% and
these together would give an OEE of 85%.
In practice, most companies operate at something nearer 60%.
The great thing about the measure is that it helps you understand how well you are doing .. and whether you need to be thinking about trying hard to improve.
I am not suggesting that you set up such a measurement regime.... but I am suggesting that - whatever kind of business you are in - you think about those factors of availability, performance and quality and think about how effective your business is when you combine them. If you think you might be running at less than 60% (and lots of people are), you are incurring lots of losses you should be worried about.
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Article Tags: OEE, overall equipment effectiveness, performance, quality
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About the Author: John Heap RSS for John's articles - Visit John's website Productivity is my 'bag' ... it is what I know about. I am President of the World Confederation of Productivity Science -http://www.wcps.info and Director of the National Productivity Centre in the UK http://www.natprodcentre.com - go to this site for some good free resources and some (paid for but low price) e-learning on productivity. I also edit the International Journal of Productivity & Performance Management. My views on productivity and on learning (which I think are related) are summarised at http://www.johnheap.net .... and current productivity news and views are on my blog - www.donotcomplicate.blogspot.com. You may also want to join the Productivity Futures Group on LinkedIn (http://www.linkedin.com). Finally if all this leaves you cold, go to www.mockprod.com for a more light-hearted look at (mock) productivity. Click here to visit John's website Performance Transition Transformation Achieving Peak Performance Benchmarking Part 1 Stakeholder Analysis PokeYoke prevents errors |
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