Vibration Principles: (1 hour)
- Basic Motion
- Period, Frequency
- Amplitude (Peak, Peak-to-Peak, RMS)
- Measurements (Displacement, Velocity, Acceleration)
- Units, Unit Conversions
- Time Orbital and Frequency Domains
- Vectors, Modulation
- Phase
- Natural Frequency, Resonance, Critical Speeds
- Force, Response, Damping, Stiffness
- Instabilities, Non-linear Systems
- Mode Shapes
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Data Acquisition: (1 hour)
- Instrumentation (and acquire readings)
- Dynamic Range
- Transducers
- Sensor Mounting, Mounted Natural Frequency
- Fmax Acquisition Time
- Proximity Sensor Conventions
- Triggering
- Test Planning
- Test Procedures
- Recognition of Poor Data
- Vibration System Calibration
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Signal Processing: (5 hours)
- RMS/Peak Detection
- Analogue/Digital Conversion
- Analogue and Digital; Sampling
- FFT Computation
- Windows (Uniform, Hanning, Flat-top)
- Filters (Low pass, High Pass, Band Pass, Tracking)
- Anti-aliasing
- Band-width, Resolution
- Noise Reduction
- Averaging (Linear, Synchronous Time, Exponential)
- Dynamic Range
- Signal to Noise Ratio
- Spectral Maps
- Run-out Compensation
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Condition Monitoring: (2 hours)
- Computer Database Set-up and Maintenance
- Equipment Evaluation and Prioritization
- CM Program Design
- Alarm Set-up (Narrowband and Envelope)
- Baseline Assessments, Trending
- Route/Task Planning
- Alternate Technologies (e.g. Oil Analysis, Wear Debris Analysis, Infrared Thermography, Motor Current Analysis, Acoustic Emission)
- Alarm and Trip Level Determination
- Procedure Writing (and methods of working)
- CM Program Implementation and Management
- Integrated Health Analysis
- Prognostics
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Fault Analysis: (6 hours)
- Basic Spectrum Analysis
- Spectral Harmonics and Sidebands
- Time Waveform Analysis
- Phase Analysis
- Transient Analysis
- Orbital Analysis
- Shaft Centre-line Analysis
- Enveloping
- Mass Unbalance
- Misalignment
- Concentricity Errors
- Mechanical Looseness
- Rubs
- Instabilities
- Shaft Bow
- Bearing (Rolling Element, Journal) Defects
- Electric Motor Defects
- Flow Induced Vibration, Aerodynamics and Liquids
- Gearbox Defects
- Resonance and Critical Speeds
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Corrective Action Recognition: (4 hours)
- Shaft Alignment
- Concentricity
- Balancing
- Machine Part Replacement
- Flow Control
- Isolation and Damping
- Resonance Control
- Basic Maintenance Action
- Lubrication
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Acceptance Testing: (1 hour)
- Specifications and Relevant Standards
- Acceptance Test Reporting
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Equipment Testing and Diagnostics: (2 hours)
- Impact Testing
- Forced Response Testing (e.g. Coherence, Transfer Function)
- Transient Testing
- Damping Evaluation
- Operating Deflection Shapes
- Modal Analysis
- Torsional Vibration
- Axial Vibration and Thrust
- Process Safety
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Reference Standards: (1 hour)
- Relevant International (ISO, IEC), National and Regional Standards
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Reporting and Documentation: (1 hour)
- Machine History Records
- Vibration Diagnostic Reports
- Vibration Prognostic Reports
- Failure Investigation Report
- Decision Making and Recommend Action
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Fault Severity Determination: (2 hours)
- Levels (Overall, Narrowband, Component)
- Spectrum Analysis
- Time Waveform and Orbit Analysis
- Severity Charts, Graphs, Formulae
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Theoretical Rotor and Bearing Dynamics: (2 hours)
- Rotor Characteristics
- Bearing Characteristics
- Rotor Dynamic Computation (using approved procedures)
- Rotor Dynamic Fault Modeling
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Field Balancing: (2 hours)
- Single-plane
- Two-plane
- Multi-plane
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