This paper presents an efficient method of positioning error analysis for ATWS (aeronautical thin-walled structures) multi-state riveting. The riveting process is divided into two stages (Pre-Joining Stage and Joining Stage) according to the different assembly tasks and fixtures, a novel positioning error model is developed for each stage. KCPs (key characteristic points) in riveting are defined according to the 'N-2-1' positioning principle for compliant part. On base of the positioning error model as well as KCP presentation, positioning error of each stage is analyzed according to manufacturing error, position accuracy and mismatch error. (1) Pre-Joining Stage: the positioning error in Pre-Joining Stage is divided into three parts. The mathematical model of the positioning error in Pre-Joining Stage and the presentations of each error component are both discussed on the base of 'N-2-1' positioning principle t in detail. (2) Joining Stage: on base of the special assembly process, the positioning error in Joining Stage is divided into four parts. By applying the theory of coordinate transformation, and 'N-2-1' positioning principle into the analysis, the mathematical model of the positioning error in Joining Stage and the presentations of each error component are both discussed in detail.


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    Title :

    Efficient method of positioning error analysis for aeronautical thin-walled structures multi-state riveting


    Contributors:
    Cheng, Hui (author) / Li, Yuan (author) / Zhang, Kai-fu (author) / Su, Jian-bin (author)


    Publication date :

    2011


    Size :

    17 Seiten, 18 Bilder, 5 Tabellen, 21 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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