Variation Analysis of Three Dimensional non-rigid Assemblies

2007 IEEE International Symposium on Assembly and Manufacturing Pub Date : 2007-07-22 DOI:10.1109/ISAM.2007.4288442

Byungwoo Lee, Mohammed M. Shalaby, Ronald J. Collins, Victor Crisan, Stephen A. Walls, Dean M. Robinson, Kazuhiro Saitou

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引用次数: 23

Abstract

Variation analysis methods are, currently, more widely used during new product development to greatly reduce downstream rework and/or design changes. This is significantly important when considering large, built up sheet or thin plate "flexible" assemblies as those currently used in automotive or aerospace industries. Whereas methods to take flexibility into account can be found in literature, there are few addressing detailed process for three-dimensional assembly of industrial complexity. This paper presents a streamlined procedure for variation analysis of a complex assembly that integrates Datum Flow Chain analysis, a commercial three-dimensional variation analysis and FEA. The procedure is applied to a realistic industry case, a commercial airplane's wing-box assembly to determine the effect of part variation and flexibility on the assembly's variation. The case study shows that a structural enclosure such as the wing-box assembly is robust against pull-up forces applied during assembly operations.

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三维非刚性构件的变分分析

目前，变型分析方法在新产品开发过程中得到了更广泛的应用，以大大减少下游返工和/或设计变更。当考虑到目前在汽车或航空航天工业中使用的大型，片状或薄板“柔性”组件时，这一点非常重要。然而，考虑到灵活性的方法可以在文献中找到，很少有解决工业复杂性三维装配的详细过程。本文提出了一种集成了基准流链分析、商业三维变分分析和有限元分析的复杂装配变分分析的简化程序。将该方法应用于某商用飞机翼盒组件的实际工业案例，以确定零件变化和柔性对组件变化的影响。案例研究表明，在装配过程中，翼盒组件等结构外壳可以抵抗上拉力的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2007 IEEE International Symposium on Assembly and Manufacturing

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