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Tolerance optimisation considering economic and environmental sustainability
Chalmers University of Technology, University of Michigan.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
Department of Product and Production Development, Chalmers University of Technology, Institutionen för produkt- och produktionsutveckling, produktutveckling.
Number of Authors: 32014 (English)In: Journal of engineering design (Print), ISSN 0954-4828, E-ISSN 1466-1837, Vol. 25, no 10-12, p. 367-390Article in journal (Refereed) Published
Abstract [en]

Sustainability is becoming increasingly important in the development of new product and production solutions, and the eco-design movement stresses the importance of environmental considerations in all design phases and activities. One such design activity in the embodiment design phase of product development is the specification of dimensional tolerances, where designers seek to ensure high functionality at low costs. A traditional approach to this decision-making process is to minimise economic losses to the manufacturer and the consumer through a process known as tolerance optimisation. This paper presents a new approach for tolerance optimisation that considers sustainability not only in the context of economic costs but also environmental impacts, which are shown to be significantly affected by manufacturing and product quality. This new framework is formulated as a bi-objective optimisation problem to minimise economic and environmental costs, and important modelling considerations for these two types of costs are outlined and discussed. The proposed approach is explored using two example cases of design assemblies, which demonstrate the trade-offs between economic and environmental design objectives as a result of tolerances and other quality-related design decisions.

Place, publisher, year, edition, pages
2014. Vol. 25, no 10-12, p. 367-390
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-15808DOI: 10.1080/09544828.2014.994481ISI: 000349036200002Scopus ID: 2-s2.0-84988289864Local ID: f5d9ff93-8fe4-411a-ab88-1afe72015c78OAI: oai:DiVA.org:ltu-15808DiVA, id: diva2:988783
Note

Validerad; 2015; Nivå 2; 20150227 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Dagman, Andreas

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