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

Kristian Bjarklev, Niels Henrik Mortensen, Martin Ebro

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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.
Original languageEnglish
Title of host publicationProceedings of the 21st International Conference on Engineering Design (ICED 17) : Design Methods and Tools
EditorsAnja Maier, Stanko Škec, Harrison Kim, Michael Kokkolaras, Josef Oehmen, Georges Fadel, Filippo Salustri, Mike Van der Loos
Volume2
PublisherDesign Society
Publication date2017
Pages209-218
ISBN (Electronic)978-1-904670-92-6
Publication statusPublished - 2017
Event21th International Conference on Engineering Design - The University of British Columbia, Vancouver, Canada
Duration: 21 Aug 201725 Aug 2017
http://iced17.org/

Conference

Conference21th International Conference on Engineering Design
LocationThe University of British Columbia
Country/TerritoryCanada
CityVancouver
Period21/08/201725/08/2017
Internet address

Keywords

  • Tolerance representation and management
  • Robust design
  • Early design phases

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