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Process-oriented tolerancing - A discrete geometry framework

Process-oriented tolerancing - A discrete geometry framework

Year: 2013

Editor: Udo Lindemann, Srinivasan V, Yong Se Kim, Sang Won Lee, John Clarkson, Gaetano Cascini

Author: Schleich, Benjamin; Wartzack, Sandro

Series: ICED

Institution: FAU Erlangen-Nuremberg, Germany

Pages: 061-070

ISBN: 978-1-904670-48-3

ISSN: 2220-4334

Abstract

Since the requirements on technical products steadily increase, there exists a growing need for considering all effects which may lead to reduced product quality in engineering design. Geometric variations are a main contributor to malfunction and decreased product quality and have thus to be limited by geometric tolerancing. However, geometric tolerances are a source of disharmonies since manufacturing requires loose tolerances for realizing low manufacturing costs whereas design tends to choose tight tolerances for ensuring the product quality. This paper focuses on an integrated view on process-oriented tolerancing considering information from all stages of the product origination. After highlighting barriers for process-oriented tolerancing, a framework is proposed, which integrates process information in a skin model inspired tolerance analysis approach. This framework takes all sources of geometric deviations into account when evaluating their effects on the product quality. Thereby, manufacturing and assembly aspects can be considered in tolerancing during engineering design, which helps to reduce disharmonies, save manufacturing costs, and increase the product quality.

Keywords: Robust design, design for X, computer aided design, computer aided tolerancing

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ds conferenceICED13: 19th International Conference on Engineering Design

ICED13: 19th International Conference on Engineering DesignThe 19th International Conference on Engineering Deisgn (ICED13) will for the first time take place in Asia: ICED13 on 19-22 August 2013 at Sungkyunkwan University, Seoul, Korea The ICED13 motto is: "Design for Harmonies" - Harmony of Products and Services - Harmony of Old and New - Harmony of Culture and Technology - Harmony of East and West The conference chair is Prof. Yong Se Kim of the Creative Design Institute at Sungkyunkwan University. Important dates are: Call for Papers:...

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SIG Workshop - March 2013