I. Pump system application Vibration/Temperatue monitoring type K6CM Target Application Cooling water circulation pumps Pump system Facility details Vibration sensor installed here Pump for circulating water throughout the facility. Motor operation conditions 110kW/380V/4poles Inverter drive frequency: 52Hz Failure mode Bearing anomalies Detection parameters Acceleration Acceleration measurement results obtained from K6CM-VBM 3.0 2.5 Measurement value under abnormal operation: 1.5 G or more Acceleration (G) 2.0 1.5 Bearing not sufficiently lubricated 1.0 Measurement value under normal operation:
around 0.6 G 0.5 0 24 48 72 96 120 144 Measurement time (hours) (G) Threshold warning Shaft diameter D [mm] X Rotation speed N [rpm] Ч10 4 Alarm threshold acceleration for this application (examples) Detects when bearing grease has degraded or dried up, or when Expected implementation effects foreign matter has entered the system. 6 Moving Average Times: 0 Lubricant injected Moving Average Times: 16 Warning Normal 10.00 1.00 0.10 0.01 0 2 4 6 8 10 12 14 16 18 20 Alarm threshold (Warning) 0.99G Alarm threshold (Critical) 4.08G