Calculating OEE - Simple Examples
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Exercise
The worker must start 05:00 but he starts 05:14.
Then he takes 20 minutes looking for maintainer.
The piece he will produce takes 40 minutes to be manufactured.
He has 30 minutes of break, but did 37 minutes.
When the day ended, in the count it was noticed that he produced 6 pieces.
When the quality department evaluated the parts, they realized that 1 parts (pieces) were of poor quality.
The end of his turn is 13:30, he has agreed with the boss that he should stop working 22 minutes before the end of the shift to organize the sector but he stopped 41 minutes before.
Starting the calculations
Scheduled Stops
Break: 30 minutes
Time to organize the work area at the end of the shift: 22 minutes.
Time available for work
Time available for work: Start of work at 05:00 in the morning and departure at 13:30 with scheduled work stops = 8x60+30-30-22
Time available for work: 458 minutes.
Calculating Availability
Unscheduled Stops
20 minutes looking for maintainer.
Interval beyond received: 7 minutes
End of shift before: 19 minutes
Total unscheduled stops: 46 minutes
Availability = (458 - 46)/458 x 100 = 89,96%
Calculating Performance
Time to work: 458 minutes
Production time per piece: 40 minutes to be manufactured
Quantity that should be manufactured = 417/40 = 10,43 pieces.
Quantity produced = 6 pieces.
Performance = 6/10,43 = 57,53%
Calculating Quality
Total with defects = 1 units.
Total produced = 6 parts (pieces).
Quality = (6 - 1)/6 = 83,33%
Calculating OEE
Availability: 89,96%
Performance: 57,53%
Quality: 83,33%
OEE: 43,13%
Details
- Publication Date
- Oct 16, 2022
- Language
- English
- Category
- Business & Economics
- Copyright
- All Rights Reserved - Standard Copyright License
- Contributors
- By (author): Edenilson Brandl
Specifications
- Format
- EPUB