The present work focusses on the Noise &Vibration refinement carried out on a Heavy commercial vehicle (HCV). In a heavy commercial 4×4 vehicle the existence of an auxiliary gearbox (AGB) is primarily for switching between the multiple drive options. The AGB can become an additional source of noise from the drive train. In this particular vehicle the overall noise from the vehicle has particularly been dominated by the noise from the AGB in specific drive options and conditions as experienced during the subjective assessment of the vehicle initially. First assessment was made by modifying the gear tooth geometry and then the gears were changed from spur to helical as a part of the AGB refinement process. The results of both these assessments were compared. A considerable improvement in the AGB noise was thereby achieved.


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    Title :

    NVH Investigation and Refinement of Auxiliary Gearbox in a 4×4 Heavy Commercial Vehicle


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    8th SAEINDIA International Mobility Conference & Exposition and Commercial Vehicle Engineering Congress 2013 (SIMCOMVEC) ; 2013



    Publication date :

    2013-11-27




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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