Course Overview
Mechanical Vibrations – Current And Common Engineering Problems & Their Solutions In Industry
Mechanical Vibrations is a mechanical phenomenon whereby oscillations occur about an equilibrium point. The oscillations may be periodic such as the motion of a pendulum or random such as the movement of a tyre on a gravel road.
Vibration is occasionally “desirable”. For example, the motion of a tuning fork, the reed in a woodwind instrument or harmonica, or mobile phones or the cone of a loudspeaker is desirable vibration, necessary for the correct functioning of the various devices.
More often, vibration is undesirable, wasting energy and creating unwanted sound – noise. For example, the vibrational motions of engines, electric motors, or any mechanical device in operation are typically unwanted. Such vibrations can be caused by imbalances in the rotating parts, uneven friction, the meshing of gear teeth, etc. Careful designs usually minimize unwanted vibrations.
The study of sound and vibration are closely related. Sound, or “pressure waves”, are generated by vibrating structures (e.g. vocal cords); these pressure waves can also induce the vibration of structures (e.g. ear drum). Hence, when trying to reduce noise it is often a problem in trying to reduce vibration.
This course is industry designed, to provide a broad understanding of the improvement methodology, concepts, and process. The methodology is presented with case studies and examples drawn from service, business process and industrial applications. The integration of maintenance is also addressed. With a heavy practice orientation, as much as a third of your time will be spent working through interactive practical exercises and assessments.
Through this Mechanical Vibrations Training, participants will gain a better understanding of vibration measurement techniques, vibration data interpretation, and effective solutions for machinery-related issues. The course combines theoretical knowledge with practical applications to support predictive maintenance activities.
This Mechanical Vibrations Training provides participants with practical knowledge and techniques to identify, analyse, and solve common machinery vibration problems in industrial environments. The training focuses on vibration monitoring, vibration analysis methods, and maintenance strategies to improve equipment reliability and performance.
Course Objectives
This training program is designed to provide an understanding of engineering related problems related to industry globally and a clear sense of what is required to effectively structure, establish measurements and solve problems. Participants will learn the goals and deliverables behind the solutions. Methodology as well as the most commonly used tools within each phase will be discussed. Participants will also learn how to support a problem solving initiative within their organization.
Learning Outcomes
On successful completion of this course, the participant should be able to:-
- Practice and analyse problem detection and resolution
- Utilise skills to be more effective at vibration analysis.
- Utilise skills and information needed to implement a successful maintenance program
- Fully explore the information available in time-waveform & spectral data plots
- Review common machinery & machine components
- Utilise basic vibration theory & data analysis techniques for common machinery faults
- Utilise and configure data collection parameters, how to specify vibration transducers, and appropriate data collection techniques based upon machinery design parameters
- Review how to apply industrial vibration severity criteria
- Provide formats, examples & techniques for effective reporting
- Apply Mechanical Vibrations Training techniques to identify machinery problems and recommend appropriate corrective actions.
Training Methodology
- a) The latest educational methods and strategies will be utilized.
- b) The course is designed to maximize delegate participation.
- c) Questions and answers are encouraged throughout and at the daily wrap-up sessions. This gives participants the opportunity to discuss with others and the presenter their specific problems and appropriate solutions.
- d) The course shall be conducted through lectures, case studies, group discussions and exercises to reinforce participant’s learning.
Who Should Attend
Process, executives, managers, maintenance personnel, operational managers etc.
This course is suitable for professionals who require Mechanical Vibrations Training to enhance their troubleshooting and predictive maintenance skills.
Course Format
The course consists of formal content presentation interspersed with content quiz sessions. The presenter’s style involves intensive participant participation.
Duration
2 Days (9.00am to 5.00pm)
Course Content
Mechanical Vibrations Training Topics
Day 1
Common Machinery & Design Elements
- Why Machine Design Dictates Analysis Methods
- Common Machinery Types
- Machine Design Elements
Maintenance Strategies & PdM Programs
- Maintenance Strategies
- PdM Programs & Technologies
- Why Use Vibration?
Principles of Vibration
- What is Vibration?
- Displacement, Velocity, & Acceleration
- The 5 Essential Vibration Characteristics
Understanding Time-Waveform Plots
- What are “Time-Waveforms”?
- Measuring Amplitude & Frequency
- Filtering
Understanding Vibration – Spectrum Plots
- What is a “Spectrum”?
- Selecting Frequency Spans & Lines of Resolution
- Effects on Frequency Accuracy
- Frequency Content Analysis
Day 2
Vibration Analysis Instrumentation
- Overall Level Vibration Meters
- Predictive Maintenance FFT Data Collectors
- Full Analysis / Diagnostic Systems
- Speed Measurement / Portable Tachometers
Vibration Transducers – Overview & Selection
- Capturing Good Data on Your Machine
- Non-Contact Displacement (Proximity) Probes
- Velocity Transducers
- Accelerometers
- Laser Vibrometers
- Transducer Mounting Considerations
PdM Data Acquisition
- Testing Procedures
- Recognizing Poor Quality Data
- Data management
Vibration Severity Criteria
- Vibration Tolerances
- HI, API, AGMA, NEMA
- ISO 1940 Balance Quality Grades
Database Alarm Techniques
- How to Set Alarms in a PdM Program
- Overall vs. Band Alarms
Machinery Fault Analysis & Corrective Actions
- Unbalanced, Eccentric, Bowed & Bent Rotors
- Misalignment
- Belt Drive Problems
- Mechanical Looseness
- Rolling Element Bearings
- AC Electric Motor Problems
- Gear Problems
- Rotor & Structural Resonances; Natural Frequency
Creating Technical Reports
- Integrating your data with Word and Excel
- Working with graphics
- What does Management need?
Question &Answer Session
End of Workshop
