Sustainable design of injection moulded parts by material intensity reduction

Life cycle engineering of injection moulded components is often aimed at minimizing the material intensity mainly by decreasing the part volume and increasing the use of recycled materials, while fulfilling structural and manufacturability requirements. However both these solutions produce an additi...

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Bibliographic Details
Published in:CIRP annals 2010, Vol.59 (1), p.33-36
Main Authors: Lucchetta, G., Bariani, P.F.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Injection moulding
Machinery and processing
Mechanical engineering. Machine design
Moulding
Plastics
Polymer industry, paints, wood
Recycling
Sustainable development
Technology of polymers
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Summary:Life cycle engineering of injection moulded components is often aimed at minimizing the material intensity mainly by decreasing the part volume and increasing the use of recycled materials, while fulfilling structural and manufacturability requirements. However both these solutions produce an additional environmental impact, due to the higher energy consumption in manufacturing, that is often overlooked. The paper addresses the multi-objective problem of minimizing the overall environmental impact by incorporating the numerical simulation of the process and the structural analysis of the part in a CAD-based shape optimization environment. The proposed approach has been demonstrated through an industrial case study.
ISSN:0007-8506
DOI:10.1016/j.cirp.2010.03.092