|
Topics Include: |
Review of maintenance practices
|
Review of condition monitoring technologies
|
|
Principles of vibration |
|
|
• |
Complete review of basics |
|
|
• |
Waveform, spectrum (FFT), phase and orbits |
|
|
• |
Understanding signals: modulation, beating, sum/difference
|
|
Data acquisition |
|
|
• |
Transducer types: Non-contact displacement proximity probes, velocity sensors,
and accelerometers |
|
|
• |
Transducer selection |
|
|
• |
Transducer mounting and natural frequency |
|
|
• |
Measurement point selection |
|
|
• |
Following routes, and test planning |
|
|
• |
Common measurement errors
|
|
Signal processing |
|
|
• |
Filters: Low pass, band pass, high pass, band stop |
|
|
• |
Sampling, aliasing, dynamic range |
|
|
• |
Resolution, Fmax, data collection time |
|
|
• |
Averaging: linear, overlap, peak hold, time synchronous |
|
|
• |
Windowing and leakage
|
|
Vibration analysis |
|
|
• |
Spectrum analysis |
|
|
|
- Harmonic, sidebands and the analysis methodology
|
|
|
• |
Time waveform analysis (introduction) |
|
|
• |
Orbit analysis (introduction) |
|
|
• |
Phase analysis: bubble diagrams and ODS |
|
|
• |
Enveloping (demodulation), shock pulse, spike energy, Peak Vue
|
|
Fault analysis |
|
|
• |
Natural frequencies and resonances |
|
|
• |
Imbalance, eccentricity and bent shaft |
|
|
• |
Misalignment, cocked bearing and soft foot |
|
|
• |
Mechanical looseness |
|
|
• |
Rolling element bearing analysis |
|
|
• |
Analysis of induction motors |
|
|
• |
Analysis of gears |
|
|
• |
Analysis of belt driven machines |
|
|
• |
Analysis of pumps, compressors and fans |
|
|
• |
Case studies and exercises
|
|
Equipment testing and diagnostics |
|
|
• |
Impact testing (bump tests) |
|
|
• |
Phase analysis
|
|
Corrective action |
|
|
• |
General maintenance repair activities |
|
|
• |
Review of the balancing process |
|
|
• |
Review of shaft alignment procedures
|
|
Running a successful condition monitoring program |
|
|
• |
Setting baselines |
|
|
• |
Setting alarms: band, envelope/mask, statistical |
|
|
• |
Setting goals and expectations (avoiding common problems) |
|
|
• |
Report generation |
|
|
• |
Reporting success stories
|
Acceptance testing
|
|
Review of ISO standards |
