The diagnosis of rotary equipment includes its dynamics examination in order to detect operational irregularities caused, among others thing, by: unbalance of rotational element, incorrect relative location of mating parts axes, bearing damage or wear, incorrect selection of machine rigidity characteristics or machine foundation, backlash in kinematic chain, incorrect lubrication, cavitation, etc.
The analysis of rolling bearings condition includes comparison of vibration spectrum with the ideal spectrum specified for the bearing by the manufacturer.
This enables establishment of the most probable degree of wear. Vibration diagnosis of low rotation speed machines is conducted based on wide frequency band vibration analysis methods using continuous and discrete wavelet transforms.


See also: Your Audit OnLine.


More informations - only in Polish version.

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