Condition Based Maintenance and Condition Monitoring
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Condition Based Maintenance and Condition Monitoring Course
Introduction:
Course Objectives:
· The Conference provides a detailed treatment of the principles, procedures and practice of state-of-the-art condition-based maintenance. It emphasizes effective condition monitoring procedures and it underlines the bases necessary for the detection of faults in rotating and reciprocating machines.
· The concepts and techniques of this highly relevant Conference will be conveyed in a well-proven combination of ways including formal lectures, small working-group exercises, and open discussions.
Who Should Attend?
This Conference is aimed primarily at engineers and technicians, working in maintenance or technical roles within the industry. The Conference will provide a refresh of knowledge for existing condition monitoring practitioners, and it will provide a solid foundation for people moving into a condition monitoring role. Because the methods and examples are generic, personnel from all industries will benefit.
Course Outlines:
Introduction to CBM
- Why maintain?
- Breakdown maintenance.
- Fixed time / regular preventive maintenance.
- Design-out maintenance.
- Condition based maintenance.
Condition Monitoring
- Paper based systems.
- Hard wired sensors.
- Portable data collectors.
- Integrated CBM.
- Systematic application of CM.
Implementing A CBM Program
- Machine life cycles.
- Warning and alarm levels
- Monitoring frequency.
- System set-up.
- Monitored parameters.
- Frequency of monitoring.
- Location of measurement points.
Monitored Parameters
- Tactile, visual and aural monitoring.
- Thermal monitoring.
- Lubricant monitoring.
- Leak detection.
- Corrosion monitoring.
- Performance monitoring.
- Vibration monitoring.
- Interpretation of data according to data type.
Parameter Symptom Limits
- The role of symptom limits
- The bases for symptom limit setting
- The accuracy of conventionally set symptom limits
- Statistical process control ideas
- Achievable improvements in accuracy
- Adaptive variations
Thermal Monitoring
- Ways of monitoring temperature.
- Sensitivities and symptom masking.
- Fault detection capability.
Lubricant Monitoring
- Sources of wear debris.
- The distinction between amount, size, shape and chemical breakdown
- The condition of the lubricant itself.
- Monitoring and analysis techniques.
- Spectrographic, spectrometric and Ferro graphic measurements.
Vibration Monitoring
- Components of a signal.
- Vibration transducers.
- Overall and spectral vibration.
- Monitoring point location and transducer mounting.
- Common fault symptoms.
Vibration Symptoms
- Machine faults and the frequency range of symptoms.
- Shaft-related faults – looseness, misalignment and imbalance
- Gearbox faults - localized faults and distributed faults.
- Rolling element bearing faults - impact excited resonance.
Fault Detection
- Vibration level classification.
- ISO standards.
- Peak and RMS levels.
- Dynamic range.
- Use of FFT analyzers.
- Constant percentage bandwidth spectra