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Reliability Engineering
A new comprehensive textbook that introduces a unique, domain-independent methodology for eliminating failure modes and…
Motor Pulley Misalignment and Replacement
Motor pulley misalignment and excessive rubber dust were found after maintenance. Vibration measurement showed issues w…
Pump Cavitation Case
Process-design flaws, such as cavitation in pumps, are a major reliability concern. Increasing upstream pump head is a …
Bearing Outer Race Fault
Exciting external raceway defect impacts identified in bearing vibration analysis at 600 rpm.
Rotational Looseness Case
Vibration analysis confirms rotating looseness and bearing rotation.
Centrifugal Pump Bearing Failure Caused by Poor Weld Ground Isolation
Welding services on equipment require care. A centrifugal pump experienced abnormal noise due to bearing failure caused…
Gearbox Broken Teeth Case
Strong peak at 4,8 Hz (288 rpm) related to Gearbox output shaft speed. a broken teeth was found during visual insp…
Bearing Cage Defect Case
Data indicated cage defects, which are rare and usually a side effect.
Sea Water Pump Bearing Fault
High vibration (10.5 mm/s) and noise at Sea Water Pump, impacting at 50 G’s. Recommended machine replacement and intern…
Shaft Current Induced Bearing Failure
Variable speed motors experience arc formation in the thin oil layer between rotating elements due to sudden frequency …
Centrifugal Pump Coupling Membrane Damage
Centrifugal pump coupling membrane damage caused noisy operation and changes in FFT spectra. Corrective action included…
Agitator Motor Bearing Outer Race Case
Bearing BPFO was detected early on this motor and it's avoid breakdown on the Agitator. For your analysis what is the …
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