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Induction Motor Bearing Fluting
Bearing fluting observed on 1200 RPM induction motor, impacting with 10 G’s pk-pk.
Press Roll Bottom Damage Case Study
Defects were found on the press roll bottom, including BPFI and BPFO on the front of the roll. The bearing and roller w…
Early Bearing Anomaly Detected on a Chemical Mixer Using Ultrasound Analysis
Ultrasound measurements taken from a chemical mixer motor bearing revealed low-frequency and mid-frequency harmonic pat…
Why MEMS Accelerometers Need Far Less Recalibration Than Piezoelectric Sensors
MEMS accelerometers, made from silicon, offer greater stability and reduced recalibration needs compared to piezoelectr…
MEMS vs. Quartz Oscillators: Why Aging Performance Is Redefining Precision Timing
MEMS oscillators, manufactured using semiconductor processes, offer superior aging performance compared to quartz oscil…
Excessive Mechanical Clearance Related Vibration Case
Excessive mechanical clearances in the shaft rotation (1x) indicate misalignment, causing vibration. Check bushing adju…
Condition-based Grease Lubrication Best Practice
Condition-based grease lubrication programs for rolling bearings require careful consideration of detection, relubricat…
Calculating the Required Lines of Resolution for Better Analysis
Calculating the required lines of resolution (LOR) is crucial for separating close frequencies in motor analysis. The m…
Bearing Failure Prediction by Shock Pulse Method
Bearing failures cause unplanned shutdowns. A case study on bearing monitoring using SPM Instrument technology is attac…
Ball Mill Reducer Bearing Fault Case
Ball mill reducer bearing fault detection before and after maintenance measurements circular waveform
Haystack Effect Case
Haystack effect, a noisy or interconnected stack in the 600-1600 Hz frequency spectrum of rotary equipment, indicates b…
Structural Looseness at a VSD ID Fan
High vibration in the RH direction of a VSD ID Fan was caused by structural looseness due to cracks in the grout base a…
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