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A Modeling Approach for Elastic Tolerance Simulation of the Body in White Hang-On Parts

Part of: Robust Design

Published online by Cambridge University Press:  26 July 2019

Hanchen Zheng ,
Frank Litwa ,
Benjamin Reese ,
Chenyang Li ,
Martin Bohn  and
Kristin Paetzold
Hanchen Zheng*
Affiliation:
Daimler AG;
Frank Litwa
Affiliation:
Daimler AG;
Benjamin Reese
Affiliation:
Dimensional Control Systems Inc.;
Chenyang Li
Affiliation:
Dimensional Control Systems Inc.;
Martin Bohn
Affiliation:
Daimler AG;
Kristin Paetzold
Affiliation:
Universität der Bundeswehr München
*
Contact: Zheng, Hanchen Daimler AG TF/VDF, Germany, hanchen.zheng@daimler.com

Abstract

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Computer aided tolerancing (CAT) in the automobile industry is implemented by CAD tools. These tools analyze the manufacturability of complex assemblies with rigid single parts in an early stage to reduce the product development time and the cost for hardware prototypes. This paper proposes an approach to implement tolerance simulation for a compliant assembly, which includes manufacturing processes such as clinching, bolting and hemming by applying tolerance simulation tool. The fender- BIW system is simulated as a compliant–rigid system and the simulation model is applied to two production scenarios. The simulation results are compared with real measurement data, which demonstrates the efficacy of using simulation in early production as opposed to prototyping or other methods of design by showing the strong correlation between simulation results and as-built products.

Keywords

Tolerance representation and managementElastic tolerance simulationDesign for X (DfX)SimulationCompliant assembly
Type
Article
Information
Proceedings of the Design Society: International Conference on Engineering Design , Volume 1 , Issue 1 , July 2019 , pp. 3461 - 3470
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
© The Author(s) 2019

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