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- All recorded time on a work order until it is marked as ‘Done’​

OR 

- All time recorded on the work order, during the working schedule of the work center

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Najlepsza odpowiedź

Planned Production Time is just the working schedule.

During the working schedule, the work center may have Availability Loss - any time work isn't being done on the work order - due to breakdowns, shortages in raw materials, prep time, cleanup time.  

During the working schedule, the work center may have Performance loss - any time work is slower than the full capacity of the work center - due to poorly maintained equipment or poor quality raw materials.   

During the working schedule, the work center may have Quality loss - any time work is done to correct previous work.

Fully Productive time is what's left after you start with the schedule and subtract time "lost" due to availability issues, performance issues and quality issues.

Does this help?  You need to adjust the time of the work order until DONE to account for these losses. 

If a work order is completed in 1 Hour without a breakdown, without a slowdown and without any rework - FPT was 1 Hour.  

If a work order is completed in 2 Hours with 20 minutes when the machine was broken, 20 minutes where the machine worked at 50% capacity and 20 minutes of rework - FPT was also 1 Hour.

From https://www.oee.com/oee-factors.html

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Great Explanation.

Wouldn't the 20 minutes where the machine worked at 50% capacity only count as 10 minutes lost and 10 fully productive minutes?

Najlepsza odpowiedź

To add on the above, whilst the scheduling of the WO will take into account the hours within the working schedule, if work is carried out OUTSIDE of the working schedule, it will be logged as fully productive time by default, and will contribute towards the OEE calculation for the given workcentre. So, in the either/or question initially - it's the first one - all time till DONE is taken as fully productive time up to the planned production time, unless the user selects an alternative 'loss reason'. At least, that's what I have found!

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Autor

Thanks for your input.

Dear @Pinakin
What is the answer now I am confused??

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