PT Fresh Galang Mandiri

Profesional - Komitmen - Kualitas

Advanced Troubleshooting Of Rotating Equipment

June 24, 2014

Advanced Troubleshooting Of Rotating Equipment

Jadwal Pelatihan Advanced Troubleshooting Of Rotating Equipment

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Instructor by : Vicky Malau 


This Advanced Programme for industry aims to convey the latest thinking and best practice of machinery vibration monitoring and analysis via lectures, case studies, video films, friendly software and programme activities. The programme gives a detailed advanced treatment of the detection, location and diagnosis of faults in rotating and reciprocating machinery, using vibration analysis. Industrial case study examples are used throughout the programme to emphasise key points and to underline the relevance and applicability of the topics being addressed.
The programme will provide a refreshment of knowledge for existing condition monitoring practitioners, and it will provide a solid foundation for technologists moving into a machine monitoring and diagnostic role.


  • Have a detailed understanding of Advanced Time and Frequency Analysis Techniques
  • Have the knowledge to assess accurately Machinery Condition
  • Have acquired a knowledge of Accurate Diagnosis of Antifriction Bearings
  • Have acquired a knowledge of Accurate Evaluation of Gear Problems
  • Have acquired a knowledge of Structural Troubleshooting
  • Have acquired a knowledge of Predicting Remaining Machine Life


Vibration Signal Processing and Assessing Condition

  • Sampling, Aliasing, Digitizing
  • Time, frequency and modal domains
  • Time & Frequency Representation
  • Frequency domain instrumentation
  • Fast Fourier transforms
  • Windowing
  • Filtering
  • Averaging
  • Amplitude Scales
  • Transmission Path Effects
  • Harmonic, periodic, random motion
  • Generated and excited frequencies
  • Frequencies caused by electronic phenomena
  • Relationship between velocity, displacement and acceleration
  • Band selectable analysis and real time bandwidth
  • Speed and load adjusted sensitivity
  • Identifying imbalance; bent shaft; soft foot; looseness; horizontal, vertical, offset, and angular misalignment; noise; resonance; rubs; oil whirl
  • Case studies

Advanced Analytical Techniques

  • Principles of the envelope
  • Pulse trains and line spectra
  • Loaded element modulation
  • Definitions of the ceptrum
  • The autocorrelation function and coding the cepstrum.
  • Comparison with spectrum and phase sensitivity.
  • Transmission path effects.
  • Zoom cepstra and noise level effects.
  • Dynamic range limitations and the effect of filter bandwidth.
  • Other demodulation techniques
  • Use of phase in diagnostics
  • Case studies


  • Data collection and transducer selection
  • Frequency calculation
  • Identifying (inner and outer race; multiple defects; defect severity; nature of defect; deep fatigue spalls; shallow flaking; frosting; acid etching/corrosion; fluting) defects
  • Defects on balls/rollers and cage
  • Inadequate lubrication
  • Looseness; excessive internal clearance; turning on the shaft; loose in the housing
  • Case studies

Advanced Troubleshooting of Gearboxes

  • Transducer selection
  • Gear vibration theory
  • Gear mesh frequency; harmonics and sub harmonics
  • Hunting tooth frequency
  • Planetary gears
  • Gear life expectancy
  • Identifying eccentric gears; out-of-round; bent shaft; loose; worn; misaligned; backlash problems; oscillating gears; broken, cracked or chipped teeth
  • Case studies

Advanced Diagnostic and Structural Troubleshooting

  • Vibration Control (transmissibility, excitation, design charts)
  • Fundamentals of isolator selection/damping applications
  • Structural supports Considerations
  • Critical Shaft Speeds
  • Vibration in Ducts
  • Vibrational control via structural modification
  • Electric motor analysis; out-of-magnetic centre; broken rotor bars; turn to-turn shorts; siren effect
  • Steam turbines
  • Pumps, starvation and cavitation
  • Special tests; start-up/coast down; bump tests; noise recording; synchronous time averaging (STA); relative motion measurements (RMM)
  • Dual-channel impact testing
  • Modal analysis (Natural frequency/mode shape/damping)
  • Start-up/coast-down testing
  • Critical speeds/damping
  • Operational deflection shapes
  • Case studies




Case Study



Training Kit




2 X Coffee Break


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