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ICED 11
Papers

Empirical study of ill-supported activities in variation risk identification and assessment in early stage product development

Empirical study of ill-supported activities in variation risk identification and assessment in early stage product development

Year: 2017

Section: Design Methods and Tools

Editor: Anja Maier, Stanko Škec, Harrison Kim, Michael Kokkolaras, Josef Oehmen, Georges Fadel, Filippo Salustri, Mike Van der Loos

Author: Bjarklev, Kristian (1); Mortensen, Niels Henrik (1); Ebro, Martin (2)

Series: ICED

Institution: 1: Technical University of Denmark, Denmark; 2: Novo Nordisk A/S, Denmark

Section: Design Methods and Tools

Pages: 209-218

ISBN: 978-1-904670-92-6

ISSN: 2220-4342

Abstract

The purpose of this paper is to present findings from an industrial case study about the support of activities related to identifying and assessing variation-related issues in the design during the concept- and embodiment design stages. The case study investigates a large world-leading mechanical medical device company by interviewing six key employees that work in the variation risk identification and assessment process. It is found that there are several ill-supported activities, and that the project teams rely heavily on tolerance experts’ assistance and experience in order to identify and assess the variation risk. Ill-supported activities are found to be: Balancing hardness of requirements and the screening; communicating mechanism understanding; predicting user input and internal component movement; documenting and communicating tolerance analysis; implementing robustness in the early definition of the projects; and implementing statistical information in the calculations. It is suggested these areas should be supported further.

Keywords: Tolerance representation and management, Robust design, Early design phases

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ICED17 The 21st International Conference on Engineering Design, 21-25th August 2017The 21st International Conference on Engineering Design ICED17 to be held August 21-25, 2017, in Vancouver, British Columbia, Canada. Theme: Resource-Sensitive Design Paper submission deadline: December 19, 2016 For full details go to: http://iced17.org. The forthcoming International Conference on Engineering Design, ICED17, will continue to be a great forum where the design community comes together to share insights, discover new ideas, create new design ventures, and form friendships....

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