CAT 3 (e)
ISO CERTIFICATION
This option includes the certification exam, that follows the ISO 18436.2 standard.
The ISO 18436.2 exams for Category 3 are 100 multiple choice questions, the time given is 4 hours and the pass mark is 75%
Quick summary
The vibration Specialist "Advanced" course is intended for personnel who have at least 2 years vibration analysis experience and a thorough understanding of vibration theory and terminology. The course provides an in-depth study of diagnostic measurement techniques and the associated applications of the techniques.
Detailed description
* 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
Review of transducer types, mounting, measurement locations
Review of transducer selection and mounting
Special tests: phase, triggering, strobes, low and variable speed machines
Plan a route and oversee data collection
* Signal processing
Sampling, resolution, Fmax, averaging, windowing, dynamic range, signal-
to-noise ratio
A/D conversion: constant and variable sampling rate
* Vibration analysis
Spectrum analysis
Harmonics, sidebands, and the analysis methodology
Time waveform analysis
Orbit analysis
Shaft centerline analysis
Transient analysis: order tracking, run-up and coast-down tests
Phase analysis: bubble diagrams and ODS
Enveloping (demodulation), shock pulse, spike energy, Peak Vue
* Equipment testing and diagnostics
Impact testing (bump tests)
Phase analysis
Transient analysis
Operation 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 soft foot
Mechanical Looseness
Rubs and instabilities
Rolling element bearing analysis
Analysis or turbo-machinery and sleeve bearings
Analysis of AC, DC and variable frequency drives
Analysis of gears
Analysis of belt driven machines
Analysis of pumps, compressors and fans
Lots of case studies and exercises for participants
* Corrective action
General maintenance repair activities
Balancing process: single-plane and two-plane
Review of shaft alignment procedures: dial and laser
Flow control and replacement of machine parts
Resonance control, isolation and damping
* Running a successful condition monitoring program
Setting baselines
Setting alarms: band, envelope/mask, statistical
Setting goals an expectations
(avoiding common problems)
Database setup and maintenance
Appropriate use of condition monitoring technologies
Report generation
Cost justification and reporting success stories
* Acceptance testing
* Review of ISO standards