Factory Twin · DAS

Operating Efficiency (OEE).

A standard factory-floor measure of how productive your assets are. Combines uptime, run-rate, and quality into one number — and shows you exactly which lever is driving it.

Factory OEE
Last 30 days
Availability
Performance
Quality
How OEE is calculated
OEE
Availability × Performance × Quality — the standard factory-floor productivity measure. World-class >85%, typical 60%, low <40%.
Availability
active_machine_days ÷ planned_machine_days — % of (machine × day) cells that produced anything. Active set = machines with output in the last 180 days.
Performance
actual_run_rate ÷ p90_benchmark, capped at 1. Actual = total output ÷ active machine-days. Benchmark = 90th-percentile of (machine, day) outputs in the last 90 days (robust to outliers).
Quality
SUM(acceptedQty) ÷ SUM(acceptedQty + rejectedQty + scrappedQty) across the period.
Daily OEE trend
By process stage (macgroup)
Stage Active machines Output (pcs) Availability Quality
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Per machine — top by output
Machine Stage Active days Output (pcs) A P Q OEE
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Source: ppc.dbo.product1 joined with ppc.dbo.machine. Cached for 10 minutes per period. Same numbers shown on the Workspace OEE tile — the calculation is mirrored exactly in the bot service.