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VA Cat III

Vibration Analysis Category III

VA Category III Personnel require all the knowledge, experience and skills of VA Cat I and Cat II, and in addition shall at least:

be able to design, direct and establish routine CM programmes and troubleshooting;
be able to specify the appropriate vibration instrumentation hardware, software, & processing for portable and fixed monitoring systems
have an in-depth knowledge of the principles and techniques of machinery VA and be able to make initial diagnoses of suspected faults beyond the range of commonly encountered issues. E.g. frequency spectra, time waveforms & orbits, transfer functions, basic operating deflection shapes, & acceleration enveloping;
be able to manage CM programmes, evaluate alarm sets, write working procedures and specify vibration acceptance testing procedures;
be able to initiate and validate machinery corrective actions including in situ two-plane rigid rotor balancing;
be able to recommend restrictions to machine operation;
be able to understand and direct, when necessary, alternative CM technologies to verify or investigate issues raised through routine data collection;
be able to provide technical guidance to and instruct category I and II personnel

Course Content:
This course has a dedicated workbook based on the ISO 18436-2:2014 certification program for vibration analyst category II & is designed to prepare staff for the BINDT Cat II Certification Exam. The course is accredited to BINDT PCN CM GEN App D. The following is covered:

Day 1
Condition Based Maintenance
Implementing CM – ISO flowchart, Reliability & Criticality Analysis, Availability & Reliability
Task 1: Calculating availability (1)
Task 2: Creating an RBD
Failure Rates, Selecting CM Techniques
Task 3: Selecting CM Techniques (4)
Range of CM Techniques including: Human Senses, Performance Monitoring, Corrosion Monitoring, Motor Current Monitoring (MCM), Thermal Monitoring (IRT), Tribology (Oil), Acoustic Emission (AE), Ultrasonic Testing (UT), Vibration Monitoring (VM). Alternative CM Instrumentation.
Understanding Measurement Intervals and Lead Time to Failure.

Principles of Vibration – Part 1
Definition of Vibration, Single and Multiple Degree of Freedom Systems, Dynamic Vibration Absorber, Basic Motion, Measuring Vibration
Task 4: Measuring Velocity
Task 5: Vibration Waveform Exercises (3)
Waveform Descriptors, Phase, adding Sinusoidal Vibrations, Orbit analysis, Lissajous figures, Windowing
Task 6: Vibration Mixtures (4)
Task 7: Vibration Waveform Descriptors
Vibration Parameters & Converting Units
Task 8: Calculating Parameters and Converting Units
Time and Frequency Domain, Octave Band Analysis, De-modulation (Enveloping)

Day 2
Introduction to Resonance
Natural Frequency, Resonance, Effects of Resonance, Resonance Plots, Critical Speed, Q-factor
Identifying Resonance, Hammer Test,
Task 9: Basic Hammer Test to Identify a Resonance
Task 10: Case History – Main Circ. Pumps
Modal Hammer, Mobility & Compliance
Task 11: Modal Hammer Test to Identify a Resonance (2)
Task 12: Exciter Test to Identify a Resonance
Modal techniques and operational deflection shapes, Resonance Correction:
Task 13: Case History – Engine Test Pallet
Isolation and mounting systems, Reducing Transmission of Vibration, Specifying Isolators, Change of Mass & Stiffness 
Task 14: Selecting Isolation Mounts

Day 3
Data Acquisition – Instrumentation
Task 15: Choice of Monitoring System
Online Monitoring Systems, Portable Vibration Data Collection Systems, Handheld Vibration Meters, Data Acquisition Instruments. Transducers, Transducer Characteristics, Examples of Vibration Transducers & Accessories
Task 16: Performance of Different Transducer Types
Mounting Transducers, Adhesive Cure Times,
Task 17: Mounting an Accelerometer using Glue-on Studs
Transducer Calibration, Vibration Transducer Calibration Instruments,
Task 18: Accelerometer Calibration Check
Task 19: Fixed Accelerometer Functional Testing

Measurement – Applying Standards
Vibration Measurement, Vibration Standards, Overall Vibration, Common ISO Vibration Standards, ISO 10816, ISO 7919, ISO 2372 and ISO 3945 (Superseded), Vibration Limit Zones, Vibration Severity Bandwidths, Extracts from Vibration ISOs
Task 20: Vibration Standards Exercises (9)
Task 21: Broadband Vibration Fault Exercise
Task 22: Setting up and Taking Measurements

Recognising Poor Data
Reasons for Poor (Invalid) Readings
Task 23: Recognising Invalid Readings (5)
Poor Data Recognition Hints

Day 4
Monitoring Program Set-up
Typical Vibration Data Collection Parameters, Identifying Equipment, Recording Equipment Information, Electric Motor Characteristics, Measurement Point Conventions
Task 24: Allocating Measurement Points
Identifying Machines and Measurement Points
Task 25: Identifying Machine Components
Task 26: Recognising Asset Types
Typical Vibration Data Collection Parameters, Effective Reporting

Vibration Signal Processing
Overview of Analogue to Digital Conversion, Signal Acquisition Factors, Sampling Rate, Sample Length, Aliasing,
Task 27: Recognising the Effect of Signal Aliasing
FFT Terminology, FFT Features, Plots: trending, spectra, Waterfall Plot, Spectrum Resolution, Dynamic Range, Signal Clipping and Truncation, Filters

Fault Analysis – Rolling Element Bearings
Types of Rolling Element Bearings, Factors Influencing the Bearing Lubricant Film, Major Causes of Rolling Element Bearing Failure, Rolling Element Bearing Characteristics, Examples of Bearing Faults. FFT Application, Fault Finding, Identify Machine Characteristics, Fault & Frequency Relationships, Vibration Fault Finding Chart: Unbalance, Misalignment, Looseness, Bearing Damage, Rubs, Oil Whirl, Cavitation, Gear Mesh, Electric Motor Defects.
Task 28: Recognising Common Faults (4)
Practical Fault Finding Examples
Task 29: Vibration Frequency & Signal Analysis (8)
Task 30: Case History – Motor Driven Ball Mill
Diagnosing Faults with Phase, Phase Diagnosis Guide,
Task 31: Vibration Phase Analysis (3)
Typical Maintenance Actions

Day 5
Fault Analysis – Journal Bearings
Types of Journal Bearings, Relative and Absolute Vibration Measurement, Journal Bearing Vibration Fault Finding Chart, Premature Journal Bearing Failure Causes, Journal Bearing Loading.
Orbit Analysis, Oil Whirl

Corrective Action
Introduction to Unbalance, Types of Rotor, Types of Unbalance, Balancing Methods, Examples of Portable Dynamic Balancers, Unbalance and Eccentricity, Balance Quality, Balance Quality Grades, Alignment Tolerances,
Task 32: Specifying Balance Quality (3)
Single & Twin-Plane Balancing
Task 33: Single-Plane Balancing without Phase
Task 34: Single-Plane Balancing with Phase
Task 35: Two-Plane Balancing with Phase

Training Examination & Course Review
Course Assessment
Optional BINDT PCN VA Cat III Exam*

* This can be arranged through any BINDT Approved Examination Centre (AEC)
* Applications should be made to BINDT at least 2 working weeks before the exam date
Note: The BINDT PCN VA Category III Exam may be taken immediately after the training, but the certificate will only be awarded after 36 months (cumulative) relevant logged VA experience.

Number of examples in the particular task - Note: There are 35 Tasks with a total of 70 Examples

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Last updated: 16 December 2016