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Catalogue > Railways vehicles and tram wheels > BONATRANS NOISE ABSORBERS > Composite absorbers  

Composite absorbers

 Composite noise and vibration absorbers consist of a combination of several various material layers that are selected for maximum suppression of vibrations for a particular wheel type. Currently, the suppression effect reaches a quality level of up to 5dB(A) for rolling noise, up to 30 dB(A) for screeching noise, and further research is ongoing with the aim of improving these values. The service life of this absorber is higher compared with the ring, since it is not limited to the wheel service life. Low weight (up to 10 kg), possibility of application to all wheel types and simple and reliable method of fixation to the wheel predetermione this absorber for wide utilization.

Composite absorbers

Composite absorbers

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