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Proceedings of CAD'14, 2014, 144-146
Optimal Design of Component Layout and Fastening Methods for the Facilitation of Reuse and Recycle

Masakazu Kobayashi, Hajime Horiuchi, Masatake Higashi, Toyota Technological Institute

Abstract. Due to rise of environmental awareness and enactment of legislation in recent years, products that reach their end-of-life need to be collected, disassembled and reused / recycled. However, since it is impractical to reuse / recycle every component that makes up a product from a cost effective standpoint, only high-value components are reused / recycled and the rest of components is discarded. Therefore, there is a need to design a product in which high-value components can be removed with less disassembly cost and work for the facilitation of reuse and recycle. For years, many researches have been done to make products to be disassembled more efficiently. Design for Disassembly (DfD) is the guideline to design products to be easily disassembled for maintenance, repair, recovery and reuse of components/materials. Disassembly sequence planning is the method to obtain the optimal disassembly sequence which a product is disassembled with minimum cost and work. Layout optimization considering disassemblability is the method to explore the layout which components comprising a product can be disassembled with less cost and work. However, compared to the researches of DfD and disassembly sequence planning, layout optimization considering disassemblability has not been researched sufficiently.

Keywords. Design for environment and disassembly, layout optimization, fastener optimization

DOI: 10.14733/cadconfP.2014.144-146