The category II vibration course meets or exceeds requirements of ISO 18436-2. It is intended for students who will be involved in the day to day testing and analysis of machinery vibration data. Content provider: ZENCO Vibration Experts, Alan Friedman, USA.
Principles of Vibration Sine wave Simple vibration Adding waves, beating Amplitude (pk, pk-pk, RMS) Frequency and Period Vibration units / conversions / Integration Crest factor Phase Forcing frequencies Orders Resonance Data Acquisition Instrumentation Sensors Orbits, centerline diagrams, Keyphasor Sensor mounting / natural frequency Triggers Test procedure Data formats Uploading the route Recognizing bad data
Signal Processing A/D Conversion Filters (high, Low, Band Pass) Data Collector settings FFT Windows / leakage Sampling, aliasing and Fmax Lines of Resolution Resolution ad Bandwidth Noise reduction Averaging Dynamic range / S/N Ratio Understanding Signals Harmonics Noise, modulation, beats, etc
Fault Analysis Unbalance Misalignment Looseness / rubs Belts Journal bearings Bearings Enveloping Motors Gears Pumps, fans and compressors TWF Analysis Resonance Corrective Action Alignment + Tolerances Balancing (vectors, trial weights, single plane) No phase balancing Balance standards Safety Resonance (impact test, forced response
Equipment Knowledge Motors, generators, gears, pumps, fans, compressors, belts, turbines, machine tools, piping and structures Applicable ISO standards Acceptance Testing Test procedure Standards Reporting Standards, Alarms and Reporting ISO, IEC, API etc. Alarm types Fault severity determination Trending Acting on reports
Nader Shafik Farah is Vice President of Engineering and Trainings at NATCOM, which he has helped build for over twenty years. A Cairo University engineering graduate, he leads the company's work in turbomachinery control, vibration monitoring and reliability — and personally instructs its ISO 18436 vibration analysis (Cat I–III) and condition-monitoring programmes, connecting the standards directly to real field practice.
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