This paper presents modified relations for worst-case and root-sum-square (RSS) tolerance accumulation models for tolerance analysis of mechanical assemblies with asymmetric tolerances. The common models do not consider the sign of the sensitivity factors and thus are applicable to symmetric tolerances only. Using the new models, the accumulation of asymmetric tolerances results in asymmetric assembly tolerances. New relationships for estimation of percent contributions of individual tolerances are also introduced which yield percent contributions of upper and lower bounds of independent variables (manufacturing dimensions) on the upper and lower bounds of dependent variables (assembly dimensions). The modified methods and new relations are applied to linear and nonlinear examples and their results are discussed.


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    Titel :

    Tolerance Analysis of Mechanical Assemblies with Asymmetric Tolerances


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE World Congress & Exhibition ; 2007



    Erscheinungsdatum :

    16.04.2007




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Tolerance Analysis of Mechanical Assemblies with Asymmetric Tolerances

    Movahhedy, M. R. / Khodaygan, S. / Society of Automotive Engineers | British Library Conference Proceedings | 2007


    Tolerance analysis of mechanical assemblies with asymmetric tolerances

    Movahhedy,M.R. / Khodaygan,S. / Sharif Univ.of Technol.,IR | Kraftfahrwesen | 2007



    Evaluation on distribution of measured characteristic with asymmetric tolerances

    Wei, Z. / Yuansheng, L. | British Library Online Contents | 2006


    The effect of flexibility in the tolerance analysis of mechanical assemblies

    Carfagni,M. / Chiesi,F. / Governi,L. et al. | Kraftfahrwesen | 2003