OEE = Availability * Performance * Quality

Availability

  • % of scheduled time that equipment is available to produce products
  • causes of lower availability: equipment failure, breakdowns, setup, adjustments

Performance

  • actual rate of production as a % of design or ideal rate
  • causes of lower performance: minor stopping, idling, reduced speed

Quality

  • % of good products out of the total products produced
  • causes of lower quality: process errors, rework, scrap

More information about OEE and Overall Equipment Effectiveness