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Vibration

Troubleshooting, Investigating?

Accurately and efficiently measuring vibrations requires a simple and comprehensive solution based on precise FFT results. In the vibration solution, based on OROS 3-series analyzers, all the required tools for vibrations analysis are there. In particular, placing automatic max and peak markers will let you spot and report the main frequencies of interest directly. Furthermore, the multianalysis and a set of adapted tools open new perspectives to your measurements.

 
All the Vibration Diagnostic Tools in your analyzers

 

NVGate offers a full range of feature to perform vibration analysis and diagnostics.Below are some of the useful NVGate features:

  • Increase your comfort and data security with the ability to process FFTs in multiple bandwidths, resolution.
  • Focus your attention on the bandwidth of interest while having an eye on the wide band spectrum. 
  • Isolate defects from multiple rolls’ processing time averaging synchronized simultaneously by 4 different keyphasors.
A new perspective for vibration analysis using multianalysis and other features

- Be efficient by dispaying real time spectrum for a specific bandwith while you save the whole data. Thanks to the multi-analysis, you can Record your time domain signal and analysis in real time on different bandwiths.
- Get your data more secured by displaying up to 4 FFTs in different bandwiths, with specific settings.
- Use all the amazing capabilities of the recorder like the "time to stop" feature that allow you to start the recorder a certain anount of time before the event triggers.
- Analyse your data in the time domain, following statistical parameters like oil pressure or temperature, looking at the vibration level in order to determine critical time.
- Get your measurement done quicky and automized by using macro and optimized your time.
- Export your data to a text, Matlab or UFF format to use your data in another analysis software.
- Leave your analyzer in a stand-alone mode, waiting for a trigger event so you don't need to wait next to the machinery with your laptop during the measurement.
- use the OROS SmartRouterTM which stays close to the machinery, providing continuous survey and capture of its noise and vibrations remotely from your office.
Application Note

University of Saarland Chair of Process Automation: Adaptronics for machine tools

 

The research focus on "Adaptronics for machine tools" is part of this picture. This program, which in May 2003 received six-year funding from the Deutsche Forschungsgemeinschaft (DFG – German research foundation), aims to use adaptronics to raise the performance of machine tools. As part of this nationwide research focus, the Chair of Process Automation is working on the project "Adaptronics components to remove and isolate vibrations in machine tools". Research, will amongst other things, investigate the practical applications of a dynamic vibration damper, developed by the LPA and since patented, based on highly magnetostrictive materials.

The first stage is to identify the dynamic behavior of the test subject, in this case a lathe. An OROS brand OR38 multi-analyzer was used to measure Frequency Response Functions (FRFs) in the workpiece-tool holder area during impact tests. The second stage was to test the effect of the tool-mounted dynamic vibration damper, by using the multi-analyzer to measure the tool's acceleration signal at normal speeds.
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