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Screw Compressor Resonance Case Study
Axial vibration exceeding 1.2 in/sec at 4X motor speed was observed after replacing a 260-ton refrigeration screw compr…
Pump Cavitation with Impeller Damage
Pump cavitation caused damage to the impeller.
The 6 Things I Learned in 23 Years as a Manufacturing Reliability Consultant
After leaving a 19-year career at Eastman Kodak, the author started a Manufacturing Reliability Consulting Company. The…
Hot Pump Bearing Inner Race Failure
Vibration analysis revealed a critical machine condition with a peak at the inner race frequency, indicating bearing fa…
Condition Monitoring Management
Condition monitoring program management requires significant effort before launch, including criticality analysis, fail…
Reliabilty of Wireless IIoT Vibration Sensors
Unreliable data from wireless IIoT vibration sensors in CM use is a concern. Laboratory testing often fails to simulate…
Phase Analysis to Prove Faults
Phase analysis, particularly cross-channel phase analysis, can improve the effectiveness of a vibration program by veri…
𝑯𝒐𝒘 𝒄𝒂𝒏 𝒘𝒆 𝒊𝒎𝒑𝒓𝒐𝒗𝒆 𝑴𝒂𝒄𝒉𝒊𝒏𝒆𝒓𝒚 𝑹𝒆𝒍𝒊𝒂𝒃𝒊𝒍𝒊𝒕𝒚?
The major contributors to machine unreliability are wear-out, human error, and external noise or vibration. Being proac…
Sensitivity Stability Over Temperature: MEMS vs Piezoelectric (PZT) Vibration Sensors
Temperature-induced sensitivity drift in vibration sensors impacts long-term reliability monitoring. MEMS accelerometer…
Root cause analysis of Bearing failure of the ACC helical two-stage gearbox
This article discusses the root cause analysis of the ACC helical two-stage gearbox's repeated bearing failure. It anal…
Low-Frequency Response: Piezoelectric vs MEMS Vibration Sensors
MEMS accelerometers outperform piezoelectric sensors in low-frequency applications due to their stable response and abi…
Maintenance vs. Reliability
Maintenance and reliability are interconnected but distinct perspectives on asset management. Maintenance focuses on im…
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