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vibration analysis case study

Dec 22, 2016· Tom Spettel, Category IV ISO Certified Vibration Analyst goes over a case study of a large 2-stage process air compressor where a continuous monitoring system forced a trip of the system due to ...

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Machine-Condition Monitoring using Vibration Analysis A Case Study from a Petrochemical Plant by D.N.Brown & J.C.Jorgensen Briiel & Kjsev Introduction This Application Note describes in odic measurement programme enabled gained from this computer-based sys-

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Dec 07, 2016· A case study on a vibration analysis spectrum. Learn why this spectrum shows multiple spindle issues. GTI Predictive Technology's VibePro Online is used in this video for post-processing analysis ...

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The case history in this article is for a vertical cooling water pump delivering seawater from a bay to a power plant's heat exchangers. The maintenance activities implemented based on vibration analysis were quite inexpensive and brief in time which could not be achieved without the proper vibration tests.

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resonance). Successful analysis and resolution of paper machine vibration problems requires a thorough understanding of the equipment, and the ability to apply various diagnostic techniques. This paper will present several case studies, each describing the evaluation techniques used to diagnose a paper machine vibration problem.

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The case studies provided in this article are actual data analyzed by the author. The predictive maintenance case study representing vibration analysis will present examples and comparisons of bearing faults, unbalanced conditions and impact testing for natural frequencies. Each example will be ...

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The work reported here is essentially an extension of the above study providing information that will aid the diagnosis, using vibration analysis, of some of the common faults occurring in the same machines (using the coal mill main drive assembly and bag house/booster fans as illustrative examples).

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The case history in this article is for a vertical cooling water pump delivering seawater from a bay to a power plant's heat exchangers. The maintenance activities implemented based on vibration analysis were quite inexpensive and brief in time which could not be achieved without the proper vibration tests.

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Tom Spettel, Senior Reliability Engineer, Category IV ISO Certified Vibration Analyst. The below video is a case study of a large 3-stage air compressor that was directly coupled to a 2-pole (3600 RPM) motor that had vibration problems after the air compressor was re-located to a different building.

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Noise and Vibration Analysis of a Heat Exchanger: a Case Study Thiago A. Fiorentin and Alexandre Mikowski Department of Mobility Engineering, Federal University of …

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synchronous component vanished, and the overall vibration returned to normal level. The case study illustrates a simple methodology to investigate an instability condition by using common tools of vibration analysis and without removing the unit from service; thus resulting in a tremendous benefit for the user and improving the machine reliability.

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Vibration Analysis Case Studies; Motor Bearing Fault Motor Bearing Fault. Motor bearing fault detected by a Vibration Analysis inspection of an air intake fan motor. Motor Bearing Fault Detected in Air Intake Fan Motor. Inspection description: ...

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> VSC Screw Compressor Vibration Analysis Case Study. VSC Screw Compressor Vibration Analysis Case Study. View More Case Studies. By the Numbers $85,000 savings in labor, parts and loss of production . VSC received data on a screw compressor as part of our Remote Vibration Monitoring Program. It is not unusual for screw compressors to have ...

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VIBRATION ANALYSIS TRACK. ... Case Study: A Case Study is a short informational presentation describing the successful implementation of established technology or methodology to solve a real-world problem. Case studies concisely relate a Problem, its Solutions, and the Lessons Learned. Each invited case study is allocated 20 minutes and ...

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Each case in itself could be an article, but to show the diversity of problems that can be encountered, they have been condensed as much as possible. Forty-eight case histories are being represented, one for each year of publication of Sound & Vibration plus a bonus. Case 1. 650-Megawatt Turbine

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Mar 11, 2016· To process the large amount of exhaust vibration measurement data as quickly as possible, a DATS worksheet was created to the customer's specifications. First, all the exhaust vibration measurement data was to be bandpass filtered from 10 – 1600 Hz. Then each channel was processed to calculate the acceleration waterfall results.

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The different case studies that I carried out at different industries contains the Balancing problems, misalignment issues and Resonance, which we removed by Balancing, alignment across coupling and dynamic vibration absorbers. In one of the case study we made the decision for location of CMM machine through vibration analysis.

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A profitable plant is reliable, safe and a cost-effectively maintained plant. Introduction: I often am lucky enough to use different vibration technologies and this post is a great example of how a vibration analysis program can protect the business using the SPM HD Enveloping technique.

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In these case studies, we provide prior state operating conditions, as well as data acquisition and analysis strategies, technologies, and repair recommendations that can help you succeed too. Click the case study title to access the PDF download. Industrial Case Studies Available. Title: Vibration Amplitudes Effected by Machine Load and Speed

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Case Study Two Stage Planetary Gearbox - Ken Singleton Sept 4, 2006 Step 5: Determination of Vibration Source Referring to the data plots in Figure 3, it was readily determined using the vibration software cursors that the impulse frequency was 4.407 Hz ~ 704.6 CPM. A check of the frequencies in Table 2 showed that this

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As well as routine surveys RMS offer vibration analysis troubleshooting services. This can range from a simple Induction motor to a large Gas Compressor Train offshore requiring multi channel monitoring and analysis. RMS has over 20 years of experience in providing vibration analysis services. Case studies. Vibration Case 1 – Vac Pump (PDF)

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A vibration spectrum can reveal a multitude of issues if you know what to look for. These case study videos discuss different vibration spectrums and what problems they show. All of these vibration spectrums were captured using VibePro on the iPad and the post-processing shown in this video is done with GTI's web application, VibePro ...

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Studies have shown that centrifugal pumps are some of the most common machine types in use throughout virtually all industry types. The key to detecting and resolving such problems on centrifugal pumps is obtaining vibration analysis training from instructors who themselves have considerable vibration expertise, specifically with these particular

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Case Studies. Below are just a few of the challenging problems we've solved for our customers: 1x Step-Increase on a Turbine-Driven Feed Water Pump: The vibration data on a turbine-driven feed water pump and turbine (figure below) at a nuclear power plant showed a step increase at running speed on the inboard turbine points.

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Abstract: This case study describes the diagnosis of 4 similar large pumps that exhibited frequent shaft failures. The only symptom on vibration measurement on these pumps operating at about 3000 rpm, was the relatively high blade passing frequency at 300 Hz (6X).

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Welcome To Our Users' Stories. ... Flight Test Analysis – Case Study P8000-DATS. Prosig used their DATS software and P8000 hardware platform to develop a flight test suite that covers standard vibration and acoustic analysis as well as specific analyses for modal flutter analysis and stability analysis.

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Sep 25, 2013· Predictive Maintenance: Vibration Analysis Case Study Posted on September 25, 2013 by Scott June 30, 2015 Any machine running with anti-friction bearings and gears will, to a certain degree, exhibit high frequency vibration.

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A client of ours had recurring issues with a rotary lobe vacuum blower. Initial collections of vibration data showed the machine in a stable condition with no notable issues. As the year went on, the machine's condition steadily worsened. With many machines, like pumps and fans, historical trending of overall vibration amplitudes can be very […]

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A vibration FFT (Fast Fourier Transform) spectrum is an incredibly useful tool for machinery vibration analysis. If a machinery problem exists, FFT spectra provide information to help determine the source and cause of the problem and, with trending, how long until the pr oblem

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Four different case studies are tested in the field and lab representing the common problems leading to failure and damage for ... Vibration analysis is necessary to detect and diagnose faults of the pumping stations and to avoid any failure or malfunction. Keywords: Dynamic analysis, ...

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