Tolerance Simulation in the Assembling Process Based on Experimental Data from Series Production

Beckmann, A.; Bohn, Martin; Gust, Peter

doi:10.1016/j.procir.2015.04.040

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…Compliant assembly Numerically verified/validated Ding et al (2000); Yan et al (2015); Corrado and Polini (2017); Camelio and Hu (2003); Franciosa (2009); Experimentally validated Barbero (2014); Beckmann et al (2015);…”

Section: Rigid Assemblymentioning

confidence: 98%

“…Comparatively, little research has been done to validate the tolerance simulation using real measurement data. Barbero (2014) validated the tolerance simulation for an automobile locking device by comparing the measurement for the position of rivet pin axis in the hole, Beckmann et al (2015) compared the deviations of trunk lid based on real measurements and rigid tolerance simulation. Therefore, the target of this paper is to create an elastic tolerance simulation model for an automotive fender taking into consideration multi-station manufacturing processes (e.g.…”

Section: Iced19mentioning

confidence: 99%

See 1 more Smart Citation

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

Zheng

Litwa

Reese

et al. 2019

Proc. Int. Conf. Eng. Des.

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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.

show abstract

Section: Rigid Assemblymentioning

confidence: 98%

Section: Iced19mentioning

confidence: 99%

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

Zheng

Litwa

Reese

et al. 2019

Proc. Int. Conf. Eng. Des.

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Influence of Tolerancing Methods and Aspects of Perceived Quality on Side Closures of Luxury Cars

Jayaram¹,

Mohanraj²

2016

Procedia CIRP

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Predicting springback variation and process-reliable tolerance limits of outer car-body panels by stochastic sheet metal forming simulation

Brix

Liewald²,

Eckstein

2021

IOP Conf. Ser.: Mater. Sci. Eng.

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Modern car-body design entails increasing requirements for the dimensional accuracy of outer car-body panels. However, tolerance limits to be met in this regard are based on specifications from component engineering aimed at ensuring dimensional accuracy of the product, less on real structural springback behaviour of outer car-body panels. Process-reliable tolerance limits for outer car-body panels can be characterized by a bandwidth in springback variation caused by fluctuations in material characteristics and process parameters during production. Differences between assumptions from component engineering and real structural springback behaviour of outer car-body panels thus leads to avoidable iterative corrections in die manufacturing and following processes. Therefore, the goal of this research work presented in this paper is to predict springback variation potentially occurring during production already in the virtual design stage of a car-body and hence set process-reliable tolerance limits. Stochastic sheet metal forming simulation is used for prediction of springback variation. Here, deterministic multi-stage springback simulation of a sidewall panel is extended by stochastic variation of material properties and process parameters. Simulation results are validated by measurement reports from series production. Results presented show strong fit in characteristics of springback variation between stochastic simulation and series measurement reports. In future, stochastic simulation results can be fed back into component engineering, making die manufacturing and following joining and assembly processes more effective.

show abstract

Tolerance Simulation in the Assembling Process Based on Experimental Data from Series Production

Cited by 3 publications

References 5 publications

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

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

Influence of Tolerancing Methods and Aspects of Perceived Quality on Side Closures of Luxury Cars

Predicting springback variation and process-reliable tolerance limits of outer car-body panels by stochastic sheet metal forming simulation

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