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.
|Title of host publication||Proceedings of the 21st International Conference on Engineering Design (ICED 17) : Design Methods and Tools|
|Editors||Anja Maier, Stanko Škec, Harrison Kim, Michael Kokkolaras, Josef Oehmen, Georges Fadel, Filippo Salustri, Mike Van der Loos|
|Publication status||Published - 2017|
|Event||ICED17: 21st International Conference on Engineering Design - Vancouver, Canada|
Duration: 21 Aug 2017 → 25 Aug 2017
|Conference||ICED17: 21st International Conference on Engineering Design|
|Period||21/08/2017 → 25/08/2017|
- Tolerance representation and management
- Robust design
- Early design phases
Bjarklev, K., Mortensen, N. H., & Ebro, M. (2017). Empirical study of ill-supported activities in variation risk identification and assessment in early stage product development. In A. Maier, S. Škec, H. Kim, M. Kokkolaras, J. Oehmen, G. Fadel, F. Salustri, & M. Van der Loos (Eds.), Proceedings of the 21st International Conference on Engineering Design (ICED 17) : Design Methods and Tools (Vol. 2, pp. 209-218). Design Society.