OEE Calculation - Overall Equipment Effectiveness
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- čas přidán 2. 02. 2019
- My point of view on OEE Calculation.
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✏️ Here is the Transcript of the video:
▶ OEE Calculation
OEE Means Overall Equipment Effectiveness.
The OEE calculation gives the answer to 2 big questions:
A) Am I using the equipment in an effective way?
B) Where have I to do actions to improve the equipment effectiveness?
Before moving to the OEE Calculation is important to understand that OEE one of the indicators of the TPM and the TPM is one of the Lean Tools.
To understand the OEE it is crucial to introduce the 6 big losses.
As for the 7 wastes in a process, a machine does not produce value of one of the following losses occur.
▶ The six big losses are:
1) Breakdown
2) Changeover
3) Minor Stops
4) Reduced Speed
5) Scrap, Rework, Yield
6) Start-Up Losses
▶ The six big losses can be grouped into 3 categories:
Availability
Performance
Quality
▶ Let us go into details:
Availability
Breakdown losses are unplanned stoppage requiring repair.
Changeover and adjustment losses occur when changing over between products
Performance
Minor Stops and Idling are often defined as stops taking less than 10 minutes.
Reduced Speed Losses result from the machine running at less than the design speed.
Quality
Defects result in scrap or rework and are the result of any problem that causes the machine to work outside of the specification limits.
▶ The OEE is the product of these 3 factors expressed in percentage:
OEE = 88% * 83% * 86% = 63%
The world-class OEE is recognized to be 85%
Are you ok so far?
▶ After the theory let me explain how to calculate OEE into reality:
Step 1 - Plan carefully which machine you want to perform the OEE Calculation. Is the machine a bottleneck? Is the machine overproducing?
Step 2 - Involve operators and create a cross-functional team. Typically operators love machine running without problems.
Step 3 - Start collecting reliable data. Believe me, this is the hardest part. A Lean Morning Meeting is the best way to involve people in data collection.
Step 4 - Analyze data, create graphs, discuss it at the morning meeting.
Step 5 - Implement actions to improve OEE, track it at the morning meeting. Continue measuring and improve.
Remember: The OEE calculation is not the goal. OEE Calculation is a way to understand what is limiting the productivity of a machine and indicate where to act to improve.
Well!
In the notes, you can find a link to have a PDF about the topic of this video.
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I've been recently assigned to implement OEE in my plant. It's a pharma company, any leads how to proceed. I see a lot of content, need some realistic data to strategize.
Dear, I am going to prepare a video with a realistic case.
The first question I have for you:
"Are you going to calculate OEE for 100% of Equipment?"
@@LeanVlog That would be great to see some realistic calculations.
For 100% of the equipment, I am not sure. I have been assigned this project recently and I don't know the scope of it. But I have a couple of meetings coming up that will clear everything up for me. In the meantime, I am also checking the data in your pdf. Thank you
Dear, from my experience to calculate OEE on 100% of machines is high effort / low benefit.
Start with asking why I need OEE?
Great explanation!
Thank you!
Thank you
Hi leanvlog thank y for everything..i found this vidéo IS interesting...Can y please give mi the PDF file thank you
I wish my manager would let me implement OEE!
Not an easy task! To calculate OEE require resources, commitment and discipline!
Pdf please
Oee wr sr
I have one doubt 88*83*86=63. How its come
It is in percentage:
88% * 83% * 86% = 63%
"OEE is like using our weight times our height times our systolic blood pressure, as a measure of how good looking we are."
- Dr Wheeler
Source?
@@Mrk2z Dr Wheeler. Ask him. THINK!