Overall Equipment Effectiveness

What is Overall Equipment Effectiveness (OEE)?

  • OEE is a way to measure how well your equipment is performing.
  • Calculate OEE by multiplying three factors: Availability, Performance, and Quality
  • To achieve 100% OEE, you would have to produce perfect parts as quickly as possible, without any unplanned stop time. While this would be amazing, it is not a realistic goal.

OEE = Availability × Performance × Quality

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Average

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World-Class

What is Availability?

  • Availability is how much time your equipment can run during planned production time.
  • Availability is affected by both unplanned and planned stops (downtime, preventative maintenance, process adjustments)

Availability = Planned Production Time – Stop Time

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Average

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World-Class

What is Performance?

  • Performance is a measure of how much the equipment produces.
  • Performance compares the actual cycle time against the specified cycle time.

Performance = (Specified Cycle Time × Total Count) / Run Time

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Average

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World-Class

What is Quality?

  • Quality is measured by how many good parts the equipment produces.
  • Any part that is not a defect is a good part.

Quality = Good Count / Total Count

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Average

%

World-Class

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