VIRTUAL ASSEMBLY ANALYSIS: STANDARD TOLERANCE ANALYSIS COMPARED TO MANUFACTURING SIMULATION AND RELATIVE POSITIONING

DS 60: Proceedings of DESIGN 2010, the 11th International Design Conference, Dubrovnik, Croatia

Year: 2010
Editor: Marjanovic D., Storga M., Pavkovic N., Bojcetic N.
Author: Stockinger, A.; Wittmann, S.; Martinek, M.; Meerkamm, H.; Wartzack, S.
Section: DESIGN SUPPORT TOOLS
Page(s): 1421-1430

Abstract

Tolerance analysis methods are used in design to prevent a loss of profit caused by geometric manufacturing deviations. Main drawback of these methods is their high level of abstraction and simplification. Therefore, we propose a method to include manufacturing deviations of parts by means of variational Finite Element Analysis and to perform a simulation of the assembly process. The proposed work methodology is explained and compared with state-of-the-art methods of statistical tolerancing. A case study of a deep-drawing assembly is presented to outline the benefits of the presented approach.

Keywords: relative positioning, manufacturing simulation, tolerance analysis, tolerance visualization

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