Mobius Institute - Vibration Analysis

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Mobius Institute webinars on vibration analysis and condition monitoring topics can be viewed at no cost.

Popular Webinars


Our founder, Jason Tranter has produced a number of great webinars over time. Here we have listed a few that are more popular with our audience. We are confident that you will find them interesting and informative. Please note: These webinars require Adobe Flash® player to be installed on your PC, which is not available on most mobile devices.

CONDITION MONITORING: Condition Monitoring and Reliability

In this webinar, Jason Tranter discusses how condition monitoring techniques can be utilized to improve the reliability of rotating machinery.  The webinar begins with an overview of the benefits of condition monitoring - the early detection of fault conditions. The webinar continues by describing how condition monitoring can be utilized to detect situations that may lead to bearing and other forms of machinery failure.  For example, the webinar discusses the fact that condition monitoring can be used to detect unbalance which will lead to equipment failure, and explains why it is so important to reduce unbalance forces. And finally, Jason explains why it is so important to have an acceptance testing program at your plant, and provides some basic guidelines on how the acceptance testing program can be established.

The aim of the webinar is to highlight the fact that condition monitoring online does not improve the reliability of machines, however the skills of vibration analyst can be utilized in order to improve reliability.

CONDITION MONITORING: Wind Turbine Condition Monitoring Workshop

In this webinar to the NREL 2011 Wind Turbine Condition Monitoring Workshop, Jason Tranter addresses the challenges of performing vibration analysis on wind turbines.

PRECISION MAINTENANCE: Introduction to field balancing

One of the keys to improving reliability is to ensure that machines are precision balanced.  Balanced machines generate less vibration, which therefore means less wear and tear on the machine and structure, fewer bearing failures, better product quality (where applicable), less vibration for surrounding machines and people, and they pose a lower safety risk. In this webinar we will explore these benefits and explain “unbalance”.  We will explain how to be sure the machine is actually suffering from unbalance, and describe the single-plane and two plane field balancing methods. We will use 3D animations and software simulators throughout, making these concepts easier to understand.

RELIABILITY IMPROVEMENT: Adopting a Defect Elimination and CBM program

Jason Tranter, found of Mobius Institute presents "Adopting a defect elimination and condition based maintenance program to achieve the lowest lifecycle costs". You will learn how to plan, prevent, monitor and improve via a properly implemented program that will help your organization improve operational reliability.

RELIABILITY IMPROVEMENT: Condition Monitoring, CBM and precision maintenance benefits

This one hour webinar by Jason Tranter summarizes four maintenance strategies then looks more closely at condition monitoring and predictive maintenance.  The benefits of precision maintenance are described and then illustrated.  Along the way the webinar discusses the famous bathtub curve and introduces OEE.

RELIABILITY IMPROVEMENT: Establishing the Asset Criticality Ranking

Without the Asset Criticality Ranking, your reliability improvement (and work management) program is flying blind.

It is essential that the reliability improvement program begins with the development of an asset criticality ranking that everyone (maintenance, production, EHS, quality, and other "stakeholders") agree to. The criticality ranking is used to determine the maintenance and reliability strategy, the maintenance/work order priorities, spares management, resource allocation, and more. But developing the ranking with full agreement is challenging. This Webinar proposes an approach that will work.

If you have questions, please contact us at

RELIABILITY IMPROVEMENT: Five Essential Elements of a Reliability Improvement Program

Building a reliability improvement initiative is not rocket science, but there are five key elements that are required to ensure the program will achieve the greatest benefit and be sustainable. Can you just focus on maintenance? No. Can you pass the buck to consultants? We don’t think so.

In this Webinar we will reveal the five elements, justify why they are so important, and explain why (in our experience) the best programs are driven from within.

RELIABILITY IMPROVEMENT: How to Eat the [Reliability] Elephant - Part 1 - Change the culture

Improving reliability can be challenging. You have to consider everything from RCM to condition monitoring, precision skills, lubrication, planning and scheduling, and much more. If you are just getting started the "reliability elephant” can seem huge. Part one discussed the important topic of how you transform to a reliability culture. In part two we discuss how you can slowly nibble away at the challenge, taking it step-by-step, to the point where you are properly utilizing condition monitoring, and all of the elements of a proper defect elimination program.

RELIABILITY IMPROVEMENT: How to Eat the [Reliability] Elephant - Part 2 - Change the maintenance strategy

Improving reliability can be challenging. You have to consider everything from RCM to condition monitoring, precision skills, lubrication, planning and scheduling, and much more. If you are just getting started the "reliability elephant” can seem huge. Part one discussed the important topic of how you transform to a reliability culture. In part two we discuss how you can slowly nibble away at the challenge, taking it step-by-step, to the point where you are properly utilizing condition monitoring, and all of the elements of a proper defect elimination program.

RELIABILITY IMPROVEMENT: The Roadmap to Reliability - The key elements and successful implementation

In this presentation, Jason Tranter describes the benefits of a reliability program, and then describes the roadmap to get there. Including leadership and culture change, designing the maintenance strategy, condition monitoring's role, defect elimination and continuous improvement of your program.

RELIABILITY LEADERSHIP - Engaging the Plant Floor

Reliability improvement can achieve great financial (and personal) rewards, but you will not be successful if the “plant-floor” operators and trades people are not fully engaged. You have two choices: indifference (and resistance) and therefore failure, or enthusiasm and drive and therefore success. In this Webinar we will explain how successful organizations have engaged the plant-floor and achieved bottom-up drive – and sustained that drive for the long term.

RELIABILITY LEADERSHIP - Selling (justifying) Reliability Improvement to Sr. Management

By improving reliability you reduce costs, increase production, reduce safety incidences, and much more. But most initiatives don’t get past the first hurdle – gaining senior management support. This support is a critical success factor. You need support to gain approval for investment. And you need senior management to send a clear message to the entire organization about the strategic importance of reliability improvement. This Webinar will clarify why this support is so important, and arm you with numerous weapons to gain that support.

VIBRATION ANALYSIS - Time waveform analysis: a new insight into your machine’s health

Way too many vibration analysts believe that spectrum analysis alone is enough to determine the nature and severity of a machine’s condition. Those same analysts often believe that time waveforms are too complicated and do not provide useful information. Other’s still believe it takes too much time to collect and analyze time waveforms. Whether you believe any of this, or you just want to master time waveform analysis, this highly animated presentation is for you!

What you will learn:

1) What information is lost when the waveform is transformed into a spectrum – and why you should care.
2) How to collect the time waveform so that you capture the key information.
3) How to analyze it correctly; either as a raw waveform, or via autocorrelation or circle plots.

VIBRATION ANALYSIS: Absolute basics of analyzer settings

Have you ever wondered what the Fmax and “lines of resolution” settings are for?  Have you wondered how they affect your measurements and how they should be set for your individual machines?  This Webinar clarifies what these two settings do and explains why they are so important.  Jason Tranter demonstrates how they affect the time required to collect the data, and provides a few guidelines on how you should set them.  Jason keeps it very basic, beginning by using photography as an analogy, and uses our famous simulators and Flash® animations to show exactly how these settings work and how they affect the quality of your measurements.

Learning Point Takeaways:

  • Understand the Fmax and lines of resolution settings
  • Learn how they affect the quality of your data
  • Obtain some basic guidelines on how to set them correctly

VIBRATION ANALYSIS: An Animated Introduction to Vibration Analysis

Vibration analysis provides an extremely powerful opportunity to learn about the condition of rotating machinery – but only if you understand it and can use it properly. This highly graphical and animated Webinar will explain the origin of the vibration frequencies, amplitudes and motion, and introduce the spectrum, time waveform and phase. You will be amazed how much you can learn in such a short time!

VIBRATION ANALYSIS: Bearing failure, detection and prevention

In this webinar, Jason Tranter first discusses the most common reasons why rolling element bearings fail, including lubrication problems, lubricant contamination, excessive loading, and installation and handling.  Next, the webinar summarizes how a variety of condition monitoring technologies can be utilized to determine the condition of rolling element bearings, including basic and advanced vibration analysis, oil analysis, wear particle analysis, and thermography. And finally, and most importantly, Jason discusses how to make changes in order to extend the life of rolling element bearings through precision maintenance techniques. Some of the techniques summarized include precision balancing, precision alignment, resonance elimination, improved installation techniques, improved lubrication practices and others.

The aim of the webinar is to highlight the fact that it is not enough to simply use vibration analysis and other condition monitoring techniques to detect when a bearing may fail; it is essential to understand the causes and failure modes of rolling element bearings, and to do everything possible to reduce the likelihood of rolling element bearing failure.

VIBRATION ANALYSIS: Bearing frequencies - what you should know and why you should not rely on them

Detecting rolling element bearing faults is key to success in vibration analysis, and most analysts utilize a database of bearings to know where to look in the spectrum.  But did you know that those frequencies may be incorrect?  The peaks don’t always appear where you expect.  In this webinar we will review the four key frequencies, learn why the peaks may not appear at the calculated frequencies, and learn why the information from your database may be incorrect.  We will also discuss how you can estimate the bearing frequencies based on the number of rolling elements.  We will also explain how to detect bearing faults without knowing the bearing frequencies.

VIBRATION ANALYSIS: Orbit Plots and Centerline Diagrams

Have you ever wondered where orbit plots and centerline plots come from? Have you wondered what they mean and how they provide diagnostic information about the bearing and rotor? In this highly visual presentation we will provide an introduction to the proximity probe measurements and then use a software simulator to demonstrate exactly where the orbit and centerline plot comes from. If you have any involvement with sleeve bearing machines (e.g. steam and gas turbines), then this webinar should be a real eye-opener.

VIBRATION ANALYSIS: The Absolute Basics of the Vibration Spectrum, Part One

Ever wondered what the peaks in the spectrum meant?  Have you wondered how those peaks might tell a vibration analyst what was going on inside a machine?  (Have you ever doubted that a vibration analyst really knew what was going on inside the machine?)  Well, this short webinar will help you answer those questions.

Using just two of the Mobius Institute simulators, and some cool 3D animations, this webinar will introduce the vibration waveform (explaining frequency and amplitude) and then show how the spectrum is generated.  Utilizing the “3D FFT animated cube” you will see how the vibration from different parts of the machine relate to the peaks in the spectrum.

You will understand the spectrum better than you did before, and you will believe that the spectrum really can tell you about the health of your rotating machinery.

VIBRATION ANALYSIS: The Absolute Basics of the Vibration Spectrum, Part Two

A spectrum can look like a crazy graph with peaks that don’t seem to make a lot of sense.  If you have consultants or an internal team collecting vibration data, or you are new to vibration analysis, then it is important that you can make sense out of the spectrum plots – they can reveal a great deal about the condition of a machine.

In the first part of this webinar, which you can see here, we explained where the peaks came from – in very basic terms.

n this webinar we are going to take it further.  We will very quickly review the waveform and the spectrum, but add new sources of vibration.  Then we will explain that the spectrum has peaks for lots of reasons.  We see “harmonics”, “sidebands”, and we see the bottom of the spectrum graph lift up when the machine has different types of faults conditions.  Don’t worry; we use our software simulators to make it very understandable and we keep it very practical.  We are not trying to create PhDs; we just want to demystify the spectrum and some of the key terms.

Learning Point Takeaways for Part Two:

  • Why do spectra have patterns of peaks?
  • Which is most important: the pattern or the amplitude?
  • What on earth are harmonics and sidebands?

We hope you enjoy this continuation of The Absolute Basics of Vibration Analysis.

VIBRATION ANALYSIS: Vibration Monitoring of Wind Turbines

Given their remote location and the extreme operating conditions, the successful monitoring of wind turbines is a critical pursuit. However, they do present a number of challenges, including: they vary in speed and load, they have high speed and low speed components, they include a complicated planetary gearbox, they resonate, an on-line monitoring system is required, and costs must be minimized due to the number of turbines being operated.
In this Webinar we will summarize these challenges and provide solutions.

  • Learn about the challenges of monitoring wind turbines with on-line monitoring systems.
  • Learn how to deal with variable speed machines and machines with high and low speed components.
  • Learn how to deal with planetary gearboxes.

VIBRATION ANALYSIS: Vibration monitoring techniques

In this webinar, Jason Tranter attempts to describe a number of common vibration analysis techniques. Starting with a very basic explanation of amplitude, frequency and motion, the webinar explains how very basic measurement techniques can be used to provide an indication of the nature and severity of a fault condition. It then goes on to explain why spectrum analysis is quite useful, and quite limited. Then each of the following techniques are summarized and categorized according to their application: time waveform analysis, enveloping, phase analysis, autocorrelation, and circle plots.

The aim of the webinar is to illustrate that while spectrum analysis is very important, it is essential that vibration analysts go beyond the spectrum and utilize techniques that provide additional evidence as to the nature and severity of a fault condition.

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