The most important task for 3D assembly tolerance analysis is to check how the tolerances affect the quality or functionality of a product when the parts are assembled together. This paper presents the way 3D statistical tolerance analyses are implemented by integrating the unified Jacobian-Torsor model and Monte Carlo simulation techniques. To perform 3D statistical tolerance analysis, a unified Jacobian-Torsor model is established based on the effects that small displacements of a series of functional elements (FE) have on functional requirements (FR) of a product. The Monte Carlo simulation is then used to iteratively evaluate the model using sets of random numbers as inputs so as to make this deterministic model change into a stochastic model. Thus the statistical limits for the FR in the direction of analysis can be obtained after a large number of iterations and the goal of 3D statistical tolerance analysis is achieved. The effectiveness of the proposed approach has been validated by using a numerical example of piston aeroengine assembly. Although the example used is for a crank-connecting rod mechanism of piston engine, the approach presented is capable of handling complex statistical tolerance analysis problems in robots and intelligent equipments, automobile manufacturing and many other fields.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    3D statistical tolerance analysis technique and the application in piston aeroengine assembly


    Contributors:
    Peng, Heping (author) / Wang, Bin (author)


    Publication date :

    2017-07-01


    Size :

    635020 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Aeroengine mounting device

    YE BIN / LUO JINLIANG / PENG ZHIJUN et al. | European Patent Office | 2016

    Free access

    Regulations and Application of Aeroengine Airworthiness Exemption

    Zhang, Jian / Du, Qing / Zhang, Qing et al. | Springer Verlag | 2022


    Aeroengine installation vehicle

    ZHANG HAIFENG / HAO HAO / ZHANG DEMING et al. | European Patent Office | 2015

    Free access

    Aeroengine Stall Warning by Multicorrelation Analysis

    Sun, Dakun / Xu, Ruize / Dong, Xu et al. | AIAA | 2023


    Introduction to Aeroengine Controls

    Wang, Jiqiang / Zhang, Weicun / Hu, Zhongzhi | Springer Verlag | 2021