Implementation of parameterized work piece deviations and measurement uncertainties into performant meta-models for an improved tolerance specification

DS 94: Proceedings of the Design Society: 22nd International Conference on Engineering Design (ICED19)

Year: 2019
Editor: Wartzack, Sandro; Schleich, Benjamin; Gon
Author: Mller, Andreas Michael (1); Oberleiter, Thomas (2); Willner, Kai (2); Hausotte, Tino (1)
Series: ICED
Institution: Friedrich-Alexander-Universit
Section: Robust Design
DOI number:
ISSN: 2220-4342


Geometrical work piece deviations are unavoidable and directly affect the function and quality of

technological products. Tolerance management is regarded as a crucial subtask of the development of technological products, because it ensures the function as well as a sufficient product quality while maintaining reasonable production costs. That means, that geometric tolerances as an essential part of the product description greatly affect the functional capability, manufacturability, mountability, verifiability and the costs of the final product. The research group FOR 2271 was founded to enable the computer-aided specification of tolerances, which meet the requirements of production, assembly, verification and function by close cooperation between the departments responsible for product design, assembly and metrology. The aim of this contribution is to determine the manufacturing process scatter as well as the measurement uncertainty and establish ways and means to include that information into efficient meta-models, ultimately enabling improved and accurate tolerance analyses.

Keywords: Tolerance representation and management, Uncertainty, Product modelling / models


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