Vibration Analysis CAT-3

Vibration Analysis CAT-3

Principles of Vibration

Very quick review of fundamentals
Waveform, spectrum, phase, vectors and orbits
Signals: transients, pulses, modulation, beating, sum/ difference
Force, response, damping, and stiffness
Cepstrum analysis

Data Acquisition

Planning routes, test locations and programs
Signal processing
Sampling, resolution, Fmax, averaging, windowing,dynamic range, signal-to-noise ratio
A/D conversion: constant and variable sampling rate

Vibration Analysis

Spectral, time waveform and envelope analysis

Corrective Action

Balancing and shaft alignment
Resonance control, isolation and damping

Equipment Testing and Diagnostics

Impact testing (bump tests)
Phase analysis
Transient analysis
Operating deflection shape analysis
Introduction to modal analysis
Cross channel measurements

Fault Analysis in Detail

Natural frequencies and resonances
Imbalance, eccentricity and bent shaft
Misalignment, cocked bearing and softfoot
Mechanical looseness
Rolling element bearing analysis
Analysis of turbo-machinery and sleeve bearings
Analysis of AC, DC and variable frequency drives
Analysis of gears and belt driven machines
Analysis of pumps, compressors and fans
Lots of casestudies and exercises for participants

Successful Condition Monitoring Program

Alarms, reports, management, finances
Acceptance testing and ISO standard