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Gear Coupling and Wear
Proper lubrication is crucial for efficient and safe industrial machinery operation. Vibration signature patterns on mi…
Cracked Spacer Coupling Case
High vibration levels (over 11 mm/s RMS) were traced to a cracked spacer coupling, necessitating equipment alignment an…
Feed Water Pump ODE Bearing Looseness
Ultrasound spectrum of a Feed Water Pump ODE bearing revealed looseness at run speed with harmonics, confirmed by vibra…
Failed Belt Problem Case at a Product Mixer
A step increase in velocity was detected during routine monitoring of a product mixer. A new peak at 375 rpm, around 0.…
Coupling Shim Worn Out Problem
High vibrations (8.8 mm/s RMS) were detected in equipment, traced to worn coupling shims. Immediate inspection and alig…
Mechanical Backlash Case
Mechanical backlash, often caused by improper adjustment or excessive clearance, can lead to unstable phase readings an…
The Importance of Consistent Vibration Data Collection in Condition Monitoring - Bearing Defect
Inconsistent vibration data collection led to a significant bearing defect in a fan’s drive-end bearing. This incident …
Rotor Bar Problem for Electric Motor
High-frequency vibration analysis of a 40HP-1200 rpm electric motor revealed rotor bar failures. Damage to the plates w…
Classic Looseness
Three characteristics of impacting noise: raised noise floor, peak at periodic rate, and harmonics due to non-linear im…
Insulation Degradation with Vibration Analysis and Insulation Resistance Testing
Vibration analysis and Insulation Resistance Testing (IRT) were used to diagnose a motor problem. The analysis identifi…
Envelope Analysis for Bearing Failure
Bearing faults are common in rotating machinery and require early detection through vibration analysis. Demodulation te…
Envelope Analysis for Bearing Fault Detection
Bearing faults are common in rotating machinery and require early detection through vibration analysis. Demodulation te…
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