S-cam brakes concept are largely used by commercial vehicles around the world due to its low cost, easy maintenance and robustness. An important component of s-cam brakes is the slack adjuster, that is responsible for amplify brake chamber forces and assure correct lining and drum clearance. Therefore usually slack adjuster mechanism characteristics are defined only by empiric method considering trial and error tentative.This paper aims to demonstrate a methodology created to develop new air s-cam brakes slack adjuster definition taken in consideration its interface with other brake components.During this study was identified design specification for each component and its influence on adjustment process. It was verified the intrinsic characteristics of slack adjuster mechanism and developed a calculation tool to predict its actuation on the brake. The interface of slack adjuster with other foundation brake components and drum compliance were also studied. In order to validate the methodology some vehicle tests were performed and the results are described and analyzed.


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    Titel :

    Methodology of Automatic Slack Brake Adjuster Definition Considering Foundation Brake System Characteristics


    Weitere Titelangaben:

    Sae Technical Papers



    Kongress:

    13th SAE Brasil International Brake Colloquium & Engineering Display ; 2017



    Erscheinungsdatum :

    24.05.2017




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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