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Detecting Resonance
Orbit and polar plots are used to analyze rotating machinery and detect resonance. Resonance, indicated by synchronous …
Outer Race Bearing Defect for a Slow Speed Machine
Case study demonstrates bearing defect detection in a very low-speed machine using gE technology, saving costs and incr…
Severely Damaged Coupling Case with Airborne Ultrasound
Airborne ultrasound recordings show a severely damaged coupling with noticeable impacting in the time waveform and repe…
Motor Bearing Wear Success Story
A significant engine vibration (6,336g) was traced to bearing wear. Replacing the bearing reduced vibration to 0.103g, …
Turbulence Case Study of a Fan
In-site balancing requests for fans are common, but initial vibration analysis can reveal the true cause of high vibrat…
Slow Speed Bearing Defect Analysis
Another slow turning roll 70 rpm bearing defect identified during routine vibration analysis, and prevented catastrophi…
Ultrasound Analysis Revealed Bearing Fault in a Critical Motor
Ultrasound analysis during lubrication revealed a bearing fault in a critical motor at a Canadian Pulp & Paper Plant. T…
Water Pump Motor Pro-active Bearing Replacement
Pro-active bearing replacement on a Water Pump Motor resolved high acceleration readings and reduced damage to both bea…
Electrical Inspection on MCC Cabinets with Ultrasound
Ultrasonic inspection of a newly installed MCC cabinet detected a buzzing noise. The highest dB value, 42.6, led to the…
Bearing Outer Race Defect Case Study
A defect in a 22228 K C3 bearing was detected using vibration analysis, preventing production impact and highlighting t…
High Clearance Between Motor Bearing and its Cover
Ambiguous diagnosis in case studies can lead to incorrect fault pattern identification. In a cement mill, a pattern res…
Pump Cavitation Case Study
Cavitation, caused by low pressure in a pump, leads to bubble formation, collapse, and erosion. It can be identified in…
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