Toleranzmanagement in Konzept- und früher Entwurfsphase: Erste Ansätze und Potentiale

DFX 2017: Proceedings of the 28th Symposium Design for X,4-5 October 2017, Bamburg, Germany

Year: 2017
Editor: Dieter Krause, Kristin Paetzold, Sandro Wartzack
Author: Stefan, Götz; Benjamin, Schleich; Sandro, Wartzack
Series: DfX
Institution: FAU Erlangen-Nürnberg
Section: Robust Design
Page(s): 099-110
ISBN: 978-3-946094-20-3-9


Accompanied by the frontloading efforts in product development, toler-ancing becomes more and more important in early design stages. Motivated by the lack of methods for early phases of the design process, three ap-proaches for considering tolerances in conceptual and preliminary design stages are presented in this paper. The first allows assessing the robustness of concepts with the help of a tolerance-specific FMEA. A subsequent method enables a tolerance specification and analysis based on a graphical visualiza-tion of the product structure. Furthermore, a sensitivity analysis for skeleton models is presented. By using these methods the design and tolerancing pro-cess runs simultaneously. Hence, a robust design and reliable tolerances al-ready exist at the beginning of the detail design.

Keywords: Conceptual Design, Preliminary Design, Robust Design, Tolerance Analysis

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