Virtuelle Toleranzbeurteilung abweichungsbehafteter Bauteile

DFX 2012: Proceedings of the 23rd Symposium Design For X, Bamberg/Erlangen, Germany 04.-05.10.2012

Year: 2012
Editor: Dieter Krause, Kristin Paetzold, Sandro Wartzack
Author: Schleich, Benjamin; Wartzack, Sandro
Series: DfX
Institution: FAU Erlangen-N
Section: Toleranzen und Robust Design
Page(s): 211-222
ISBN: 978-3-941492-51-6


Geometric deviations are observable on every manufactured part and can have huge influences on the functional behaviour of technical products. Therefore, allowable limits for these imperfections have to be specified and set during product development. However, this task is quite difficult since geometric deviations affect the product behaviour in various ways. Thus, current approaches try to incorporate the whole workpiece geometry in tolerance activities instead of reducing the functional behaviour by expressing it as vector chains. In this context, the virtual assessment of geometric deviations is an important step in geometry-based computer aided tolerancing. This contribution illustrates the methodology as well as some applications of virtual tolerance assessment and highlights the possibilities and advantages of geometry-based tolerancing.

Keywords: geometric deviations, simulation, analysis

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