Can anyone suggest a good hardware/software to perform acoustic and vibrations measurements on a precision planetary gearbox and/or share it experience?
What about accelerometer stuck on the housing in several position or noise sensors? For noise measuring, refer to accostic measuring norm. 6 points at 1 meter for instance.
It seems that an classical acquisition software could be sufficient. Sampling frequency and digital precision have to be related to probable signals form.
Hi
NI Sound & Vibration Measurement Suite + NI cDAQ (9234) is good value for money. I guess you are interested in orders which the software handles.
http://sine.ni.com/nips/cds/view/p/lang/en/nid/209061
Here is a modest 4ch USB powered system
http://sine.ni.com/nips/cds/view/p/lang/en/nid/209893
Or, you can look at NI 9178 which is the 8-slot chassis.
However, note that the software is a bit shaky in postprocessing mode. It has a lot of functionality, but you need to tickle it to get it out from the SW.
If you need to address big datasets, you can measure using the SW (or just use the driver) and use Matlab for processing. You find a nice tdms reader here
http://se.mathworks.com/matlabcentral/fileexchange/30023-tdms-reader
Last - you can download the software and use simulated hardware to testdrive the system. When doing so, I would suggest reading these before starting your 7 day license
http://digital.ni.com/manuals.nsf/websearch/55ACD932F3DAFF7D862575E8002E481D
http://digital.ni.com/manuals.nsf/websearch/074A9C1C00706A2F86257AB0001CDBE6
Note also that the software only allows operations in the time domain, i.e. it does not allow multiplication or subtraction of spectra.
If you want a good but older/used system, take a look at Agilent VXI E1432a cards, an E8491b firewire interface, any frame (e.g E8408a) and this matlab based acquisition software. The E1432a/E1433b is exceptionally good at analysizng orders.
http://www.dynamic-measurements.com/acqmat1432/acqmat1432A.html
A used VXI system is quite cheap when purchased on Ebay. Make sure to get the breakout boxes if you buy it, or you will have to build these yourself.
Sincerely
Claes
And now for the analysis part. If you are interested in Predictive Maintenance type of analysis, try the book by Robert Bond Randall called Vibration-based Condition Monitoring: Industrial, Aerospace and Automotive Applications. If you are looking for software that can handle,. say synchronous time based averaging of the vibration with resampling to account for variable speeds try, http://www.tensorsystems.com/variable_speed.html.
Hi
I advice you to see these documents. You will find what you need.
Best regards
https://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&cad=rja&uact=8&ved=0CEoQFjAH&url=http%3A%2F%2Fsurveillance7.sciencesconf.org%2Fconference%2Fsurveillance7%2F02_a_method_for_extreme_data_reduction_of_acoustic_emission_ae_data_with_application_in_ma.pdf&ei=2qxXVfGKAYGxUcqhgMAJ&usg=AFQjCNHLRdB7s3KPVXk8Ye6Ps2g50u_ntg&bvm=bv.93564037,d.ZGU
https://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&cad=rja&uact=8&ved=0CFQQFjAI&url=http%3A%2F%2Findigo.uic.edu%2Fbitstream%2Fhandle%2F10027%2F9268%2FLi_Ruoyu.pdf%3Fsequence%3D1&ei=2qxXVfGKAYGxUcqhgMAJ&usg=AFQjCNGDIMJTt44jC8-3OPXdWcSUEYMacw&bvm=bv.93564037,d.ZGU
Hi
Thank you to find the link of a method for data reduction of acoustic emissions planetary gearbox.
Best regards
http://surveillance7.sciencesconf.org/conference/surveillance7/02_a_method_for_extreme_data_reduction_of_acoustic_emission_ae_data_with_application_in_ma.pdf
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