The gear whine noise and vibro-acoustic emission of gear-box

  • Authors:

  • V. Niola;G. Quaremba

  • Affiliations:

  • Department of Mechanical and Energetics, University of Naples "Federico II", Napoli, Italy;Department of Mechanical and Energetics, University of Naples "Federico II", Napoli, Italy

  • Venue:
  • ROCOM'11/MUSP'11 Proceedings of the 11th WSEAS international conference on robotics, control and manufacturing technology, and 11th WSEAS international conference on Multimedia systems & signal processing
  • Year:
  • 2011

  • The problem of GWN

    MACMESE'11 Proceedings of the 13th WSEAS international conference on Mathematical and computational methods in science and engineering

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Abstract

This article reports the results of several tests, carried out in optical gear whine noise to evaluate the difference between the vibro-acoustic emission of two gearboxes of the same type, one, in particular, showing a micro-geometrical error located on the side of tooth and characterized by lack of material at the base of the tooth due to a slight drift of the production process. The tests were carried out in fourth gear. The user of the vehicle, in fact, seems to be particularly attentive to the vibro-acoustic emissions. For that reason the major car manufacturers devote significant resources to the Noise, Vibration and Harshness sector, which deals with noise and vibration of the vehicle to the vehicle driving comfort.