VCAT-III Advanced Vibration Analyst ISO 18346-2 Category III

Learn to be an effective vibration leader and master analyst - capable of managing the condition
monitoring program, diagnosing the widest range of fault conditions, verifying and correcting
resonance problems, performing complex balancing machinery - with advanced 3D animations
and interactive simulations that make everything easy to understand.

III CANDIDATE PROFILE
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This course is intended for the vibration analyst who will:
• Have a minimum of 3 years of experience
• Have a senior role in the condition monitoring team
• Have others report to them to verify diagnoses
• Be responsible for the most complex fault conditions (with the possible exception of sleeve bearing, flexible rotor machines)
• Need to perform complex tests to validate fault conditions (e.g., resonance) and find a solution
• Want to be a leader of the vibration team or take a leading role in diagnosing faults and making repair recommendations
• Want to understand all data collector options, special test capabilities, all analysis tools and understand the widest range of fault conditions
• Seek to become certified to international standards (ISO-18436) by an accredited certification body
• Want to understand all condition monitoring technologies, how and when to apply them
• Want to understand machine dynamics (natural frequencies, resonance, ODS), how to perform resonance testing and how to correct resonance problems
• Use the training and certification as the next step in a rewarding career as a vibration analyst

Compliance:
• Training and certification: ISO 18436-2
• Certification: ISO 18436-1, ISO/IEC 17024
• Training: ISO 18436-3

Exam:
• Four hours
• 100 multiple-choice questions
• 70% passing grade
• Can be taken online or in-person at the course

Certification requirements:
• Training course completed
• 36-months of vibration analysis experience, verified by
an independent person
• Have previsouly been certifed to VCAT-II by a MIBoC
approved certification body
• Pass the exam
• Valid for 5 years

Signal processing
• Filters: Low pass, band pass, high pass, band stop
• Sampling, aliasing, dynamic range
• Signal-to-noise ratio
• Resolution, Fmax, data collection time
• Averaging: linear, overlap, peak hold, time synchronous
• Windowing and leakage
• Order tracking
• Cross-channel measurements
• Correlation and coherence
Time waveform analysis
• Collecting data – ensuring you have the correct setup
• When should you use time waveform analysis?
• Diagnosing unbalance, misalignment, bent shaft, eccentricity, cocked bearing, resonance, looseness, and other conditions
Phase analysis
• Collecting data
• Bubble diagrams
• Diagnosing unbalance, misalignment, bent shaft, eccentricity, cocked bearing, resonance, looseness, and other conditions
Dynamics (natural frequencies and resonance)
• Natural frequencies and resonances
• Mass, stiffness, and damping
• SDOF and MDOF
Testing for natural frequencies
• Run-up coast down tests
• Bode plots and Nyquist (polar) plots
• Impact and bump tests
Operating Deflection Shape (ODS) analysis
• Can we prove the existence of a natural frequency?
• Visualizing vibration
• Setting up the job
• Collecting phase readings correctly
• Interpreting the deflection shape
• Using Motion Amplification
Modal analysis and intro to FEA
• How does modal analysis differ from ODS?
• How does Finite Element Analysis (FEA) differ from modal analysis
• A quick review of the modal testing process
Correcting resonances
• The effect of mass and stiffness
• Beware of nodal points
• Adding damping
• A ‘trial and error’ approach
• A ‘scientific’ approach
• Isolation
• Tuned absorbers and tuned mass dampers
Rolling element bearing fault detection
• Why do bearings fail?
• Cocked bearing, sliding on the shaft or inside the housing, looseness
• EDM and DC motors and VFDs
• Bearing frequencies and what to do when you don’t have all the details
• The four stages of bearing degradation
• Ultrasound
• High-frequency detection techniques
• Shock Pulse, Spike Energy, Peak Vue, and other techniques
• Demodulation/enveloping
• Selecting the correct filter settings
• Spectrum analysis
• Time waveform analysis
• Low-speed bearings
Journal bearing fault detection
• What are journal bearings?
• Measuring displacement
• Introduction to orbit plots
• Using your analyzer to acquire orbit plots
• Introduction to centerline diagrams
• Eccentricity ratio
• Glitch removal
• How the orbit changes with pre-load, unbalance, misalignment, instabilities, oil whir and whip
Electric motor testing
• How do motors work?
• Diagnosing a range of fault conditions: eccentric rotor, eccentric stator, soft foot, phasing, broken rotor bars, rotor bar, and stator slot pass frequencies
• Motor current analysis
Pumps, fans, and compressors
• Unique fault conditions
• Flow turbulence, recirculation, cavitation
Gearbox fault detection
• Spectrum analysis versus time waveform analysis
• Wear particle analysis
• Gearmesh, gear assembly phase frequency (and common factors)
• Tooth load, broken teeth, gear eccentricity and misalignment, backlash and more
Corrective action
• General maintenance repair activities
• Review of the balancing process and ISO balance grades
• Review of shaft alignment procedures
Running a successful condition monitoring program
• Defining the program
• Setting baselines
• Setting alarms: band, envelope/mask, statistical
• Setting goals and expectations (avoiding common problems)
• Report generation
• Reporting success stories
Acceptance testing
Review of ISO standards

Engr. Jesus A. Dimalibot Jr.
Registered Mechanical Engineer, PRC License No. 62407
Certified Vibration Analyst Cat II ISO 18436-2 (Mobius Institute of Australia)
Certified Vibration Analyst Cat III ISO 18436-2 (Mobius Institute of Australia)
Alignment Specialist (Fixturlaser AB Sweden)
Authorized Trainer of Mobius Institute of Australia

** DISCOUNT PROMO:10% off in course for 2-3 pax & 20% for 4 and above. Condition
applies*