Créé le : 02/07/2014
Mario Eltabach, Marcello Lopes Moreira, Bassel Assaad - 29-30 octobre 2013 - RC : Congrès Surveillance 7…
Vibration analysis does not cover all defects able to affect a rotating machine, including those that induce torque or instantaneous rotation speed fluctuations. Indeed the vibrational energy contributions of this type of defects such as a natural and gradual degradation of the gears are often weak. Therefore the appearance of these defects is very difficult to detect from the vibrational energy indicators commonly used in machine condition monitoring. In these conditions, it is often late when the symptoms of failure are reflected in the vibration signal.
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Mario Eltabach
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