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Vibration Analysis Level 2
Compliant to
BINDT CM GEN Appendix D, PCN Certification Scheme.
Note: Prior to seeking Level II Classification the candidate must have already
obtained Level I or a recognised equivalent.
Certification to Level II will provide evidence of qualification and competence for individuals to perform Vibration Analysis measurements and analysis using
appropriate sensors and equipment.
Suitable for personnel wishing to achieve PCN certification in Vibration Analysis Level II. Enabling qualification to perform industrial machinery vibration measurements and
basic vibration analysis using single-channel measurements, with or without phase trigger signals, according to established and recognised procedures
Course Objectives
q
Select the appropriate machinery vibration measurement technique;
q
Set up instruments for basic resolution of amplitude, frequency and time;
q Perform basic
vibration analysis of machinery and components such as shafts, bearings, gears, fans, pumps, and motors using spectrum analysis;
q Maintain a database of results and trends;
q
Perform basic (single channel) impact tests to determine natural frequencies;
q Classify,
interpret and evaluate the test results (including acceptance tests) in accordance with applicable specifications and standards;
q Recommend corrective actions;
q Recommend the use of
alternative CM technologies with an understanding of the principles of all four condition monitoring (CM) technologies specified in BINDT CM/GEN at least to Level I;
q
Supervise and provide guidance to vibration analysis Levels I and II. investigation
The course content is described as follows:
1. Principles of Vibration
1.1. Basic motion
1.2. Period, frequency
1.3. Amplitude: peak, peak to peak, RMS
1.4. Parameters: displacement, velocity, acceleration
1.5. Units, unit conversions
1.6. Time and frequency domains
1.7. Phase
1.8. Natural frequency, resonance, critical speeds
2. Data Acquisition
2.1. Instrumentation
2.2. Dynamic range, signal-to-noise ratio
2.3. Transducers
2.4. Sensor mounting, mounted natural frequency
2.5. Fmax, acquisition time
2.6. Proximity sensor conventions (API/ISO)
2.7. Triggering
2.8. Test planning
2.9. Test procedures
2.10. Data formats
2.11. Recognition of poor data
3. Signal Processing
3.1. Analog sampling, digital sampling
3.2. FFT computation
3.3. FFT application
3.4. Time windows: uniform, hanning, flat top
3.5. Filters: low pass, high pass, band pass, tracking
3.6. Anti-aliasing
3.7. Bandwidth, resolution
3.8. Noise reduction
3.9. Averaging: linear, synchronous time, exponential
3.10. Dynamic range
4. Condition Monitoring
4.1. Computer database set-up
4.2. Computer database maintenance
4.3. Equipment evaluation and prioritisation
4.4. Alarms set-up: narrowband, envelope
4.5. Baseline assessments, trending
4.6. Route planning
4.7. Alternate technologies: lubrication management, infrared thermography and acoustic emission
4.8. Fault recognition
5. Fault Analysis
5.1. Spectrum analysis, harmonics, sidebands
5.2. Mass unbalance
5.3. Misalignment
5.4. Mechanical looseness
5.5. Bearing defects: rolling element, journal
5.6. Bearing defects: methods of detection (includes shock pulse)
5.7. Electric motor defects
5.8. Resonance and critical speeds
5.9. Gearbox analysis
6. Corrective Action
6.1. Shaft alignment
6.2. Field balancing
6.3. Basic maintenance action
7. Equipment Knowledge
7.1. Electric motors: generators and drives
7.2. Pumps, fans
7.3. Steam turbines, gas turbines
7.4. Compressors
7.5. Reciprocating machinery
7.6. Rolling mills, paper machines and other equipment
7.7. Machine tools
7.8. Structures, piping
7.9. Rolling element bearings
7.10. Journal bearings
7.11. Gearing
7.12. Couplings, belts
8. Acceptance Testing
8.1. Test procedure
8.2. Specifications and standards
8.3. Reporting
9. Equipment Testing and Diagnostics
9.1. Impact testing
9.2. Forced response testing
10. Vibration Control
N/A
11. Reference Standards
11.1. Relevant national standards
11.2. IEC
11.3. ISO
12. Reporting and Documentation
12.1. Condition monitoring reports
12.2. Vibration diagnostics reports
13. Fault Severity Determination
13.1. Spectrum analysis
13.2. Levels: overall, narrowband, component
13.3. Severity charts; graphs; arid-formula
14. Training Evaluation Examination
14.1. Training centre evaluation examination to establish
candidate's readiness to apply for PCN certification examination.
14.2. Pass grade 75%
14.3. To be eligible to apply for PCN certification based on CM GEN requirements. As a prerequisite the candidate has to
provide documentary evidence of successful completion of a BINDT approved or recognised course of formal training. Note: Prior to seeking Level II Classification the candidate must have already obtained Level I or a
recognised equivalent.
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