SAG-301 Mill

SAG Mill · SAG Mill · Gamsberg

Health Score

Vibration8.4 mm/s

Bearing Temp86 °C

Power Draw9420 kW

Oil Pressure320 kPa

Filling Level31 %

Feed Rate920 t/hr

Health Score Trend — 90 days

Failure Probability

48%

90-day window · CI ±9%

Remaining Useful Life

24 days

Component Health Breakdown

Bearings54

Liners / Mantles46

Drive Motor72

Lubrication System69

Seals59

AI Recommendation

Bearing outer race wearcritical

Root cause: BPFO (ball pass freq outer) energy +38% over baseline; bearing temp 86°C trending up 0.4°C/day.

Action: Schedule bearing replacement within next planned shutdown; increase lubrication interval to 6h.

Cost if ignored: ~$180k

Cost to fix now: ~$28k

Mill motor overtemperaturemedium

Root cause: Stator winding RTDs trending +0.2°C/day; cooling fan delta-P down 18%.

Action: Clean motor air-to-air cooler, inspect cooling fan.

Cost if ignored: ~$180k

Cost to fix now: ~$28k

Maintenance History