Vibration Analysis - Time Waveform Analysis by Mobius Institute
VIBRATION ANALYSIS By Mobius Institute:
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.
See more presentations like this at www.mobiusinstitute.com/learn
Mobius Institute is a worldwide provider of reliability improvement, vibration analysis, condition monitoring and precision maintenance education to industrial plant managers, reliability engineers, and condition monitoring specialists, allowing plants to be successful in implementing reliability improvement and condition monitoring programs.
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Пікірлер: 14
This is very usefull. Get toomuch content from this. Thanks
This video was very useful to me! Thanks a lot!
best video sir very helpful thank sir
Thanks you very much for this video
@MobiusInstituteTraining
Жыл бұрын
Thanks for being a watcher!
what sort of graph do you get when you take vibration reading and how do you convert it into time waveform and frequency domain? Thanks
@somber_soul
5 жыл бұрын
A vibration reading will usually be in the form of acceleration versus time (or occasionally velocity). Thus the reading by default is in the time domain. You can take the Fast Fourier Transform to transfer the data into the frequency domain. Most vibration software, or even general analysis software like Matlab or LabView, will have the FFT built into it.
Is there a way I could get the application you have that lets you edit the time waveform? I found it very instructive on how you can edit the variables
@MobiusInstituteTraining
3 жыл бұрын
Hi Jeremy, you can access all of our simulators by visiting: www.mobiusinstitute.com/calculators-simulations-severity-charts/
Thanks for great explanation. I have one question: If my spectrum shows clear BPFO or BPFI, what should i have see on time or acceleration waveform? The impacts should be spaced by the bearing faults?
@markmurray6386
Жыл бұрын
It depends really on the inner or outer race. Inner race faults will be modulated by the shaft and outer wont, but yes the spacings should be at the fault frequency. Bearing faults will produce very sharp impacts in the spectrum. You should also make sure your demodulation or peakvue is set correctly
When will you offer a class on this again?
@MobiusInstituteTraining
2 жыл бұрын
Hi Ronald, Jason is actually having a webinar you can join on January 27th at 3:00 pm EST. Register here: register.gotowebinar.com/register/2285859805861089805