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Bearing Inner Race Fault Case
Predictive maintenance, utilizing advanced technologies for continuous equipment monitoring, anticipates failures and e…
Ball Mill Pitting Wear at Bearing
Ball mill gearbox shaft 2 bearing damaged due to pitting wear.
Kiln Circulation Fan Bearing Fault Because of Lubrication Fault
Vibration analysis, using spectrum and time waveform analysis, is a powerful tool for diagnosing and predicting machine…
Motor Rotor Eccentricity
Eccentric rotor in motors causes high vibrations at 2X line frequency (100 Hz or 120 Hz) due to variable air gap betwee…
Centrifugal Pump Corrosion and Premature Wear
A centrifugal pump’s deep groove ball bearing (6305 C3 Z) experienced exponential vibration increase, cavitation, and r…
Effect of Killing Motor Power with Long Waveform Collection
If the outer race frequency is close to 2x electrical line frequency, set the instrument to take a long waveform and ki…
Pump Soft Foot Fault
Abnormal vibration increase at 2x value detected at P. DE.H and M. DE.H, requiring soft foot check for pump and motor.
Centrifuge Machine Electric Drive Bearing Fault
Centrifuge machine electric drive vibrations were above normal. Inboard bearing failure was observed, while outboard be…
Bearing Failure Because of Lubricant Contamination
Contamination in lubricants, particularly oil, is a leading cause of bearing failures, often resulting in catastrophic …
Cement Mill Separator Fan Bearing Fault
Vibration analysis of a VSD drive revealed high envelope levels and ball pass frequency harmonics, leading to bearing r…
Importance of Cepstrum in Gearbox Fault Detection
Cepstrum analysis, derived from the inverse DFT of the log magnitude of a signal’s DFT, detects periodicity in frequenc…
Cooler Fan Motor BSF Before and After Grease
Bearing defect frequency disappears after greasing, but gE value decreases significantly.
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