Sunroof is installed in the vehicles to generate a better satisfaction for customer. Normally, the glass is maintained closed or fully opened, when the user would like to exterior air to get in. The glass runs in the sunroof rail that interacts directly with the roof skin and the roof reinforcement, where the whole sunroof structure is fixed. In general, sunroofs are equipped with two stages button, were the final or second stage, more used by users, allows the glass to move until the final position directly, without stops. Even though, the first stage could move the glass according user desire. For validation, the vehicle runs in several roads in order to capture any unusual response given by the sunroof. During specific test validation created, the glass was been positioned in the critical region that by design has the minimum distance against the roof flange. Consequently, to solve the issue found, all the possible interactions were measured as the roof profile, flange height, sunroof dimensions and sunroof installation. Hence, all boundary conditions must be under control, since a control irrelevance of one interaction or a combination of them have the possibility to generate the rattle noise. In addition, good practice consist in update this potential failure mode in design quality tools.


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    Titel :

    Rattle Evaluation: Sunroof Glass Against Roof Flange


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    2019 SAE Brasil Congress & Exhibition ; 2019



    Erscheinungsdatum :

    2020-01-13




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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