Overview of the course; maintenance strategies: breakdown maintenance, preventive maintenance, condition-based maintenance, proactive maintenance; Condition monitoring; Condition monitoring technologies: vibration analysis: acoustic emission, infrared thermography, oil analysis, wear particle analysis, selecting the best technology; Principles of vibration: amplitude, period and frequency, displacement, velocity and acceleration, overall level readings, crest factor, complex vibration; spectrum; understanding Orders; Forcing frequencies; Introduction to phase; Resonance; Data acquisition; Measuring vibrations; Displacement transducers; Velocity transducers; Accelerometers; Measurement points; Accelerometer mounting: stud mounting, hand-held probes, magnet mounts etc.; Recognizing good and bad data; Vibration analysis: sinewave, harmonics, noise floor, sidebands, spectral regions; data presentation: spectral comparisons, trending, stacked plots, waterfall plots, logarithmic displays etc.; Fault diagnosis and correction: unbalance, detecting unbalance, misalignment, looseness, rolling element bearings, pumps, fans, compressors, gearboxes, belt drives; Vibration analysis using ANSYS; Modern Techniques.
Suggested Text:
- Vibration-based Condition Monitoring: Industrial, Aerospace and Automotive Applications, by Robert Bond Randall
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