Jinsi ya kukokotoa O E E
O E E ni nini?
Overall Equipment Effectiveness measures equipment performance combining availability, performance, and quality. Identifies improvement opportunities.
Fomula
Availability = actual run time ÷ planned run time
Mwongozo wa Hatua kwa Hatua
- 1Availability = actual run time ÷ planned run time
- 2Performance = actual output ÷ theoretical output
- 3Quality = good units ÷ total units
- 4OEE = Availability × Performance × Quality
Mifano Iliyotatuliwa
Ingizo
80% avail, 95% perf
Matokeo
72.2% OEE
Makosa ya Kawaida ya Kuepuka
- ✕Not including planned downtime in availability calculation
- ✕Using unrealistic theoretical maximums
Maswali yanayoulizwa mara kwa mara
What's good OEE?
Below 65% poor, 65-85% acceptable, 85%+ excellent; world-class manufacturers achieve 90%+.
What causes low OEE?
Equipment downtime, slow running speed, defects; typically 40% availability, 5% performance, 5% quality loss.
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