Silent Performance Erosion
Equipment cycle-time drifted gradually: Week 1 (45 sec), Week 2 (45.5 sec), Week 3 (46.5 sec), Week 4 (47.5 sec). Drift was so gradual that it normalized; by month-end, 5-8% loss went unnoticed.
What Became Visible
Real-time cycle-time trending against a 2% per-week drift threshold revealed degradation patterns. Maintenance could see exact drift rate and predict when intervention was needed before accumulated loss became severe.
Predictive Maintenance Scheduling
When cycle-time drift exceeded 2% threshold, maintenance performed preventive intervention (bearing inspection, part replacement, parameter reset) immediately.
How it worked: Trending enabled prediction of when intervention was needed. Preventive action prevented accumulated loss from reaching critical levels.
Results
vs 4 weeks previous
prevention cost vs loss prevented
prevented
vs reactive
Gradual degradation is invisible in aggregate metrics but detectable in trending. Early detection enables preventive intervention.
Operational Reality
Cycle-time degradation had always occurred. Trending made it visible early enough for prevention.