By Shozo Takata, Yasushi Umeda

Existence cycle engineering bargains with applied sciences for transferring the from mass creation and mass intake paradigm to closed loop production paradigm, within which required services are supplied for purchasers with the minimal quantity of creation. This topic is mentioned from some of the points, corresponding to lifestyles cycle layout, layout for surroundings, reduce/reuse/recycle, lifestyles cycle evaluation, and sustainable company models.
Advances in existence Cycle Engineering for Sustainable production companies gathers jointly papers from the 14th CIRP lifestyles Cycle Engineering convention. This convention is the longest operating annual assembly within the box, during which papers are offered relating to advancements of cutting edge applied sciences, proposals of latest techniques, and well-liked case reviews.

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Additional info for Advances in Life Cycle Engineering for Sustainable Manufacturing Businesses: Proceedings of the 14th CIRP Conference on Life Cycle Engineering, Waseda University, Tokyo, Japan, June 11th-13th, 2007

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3. Life cycle options: Life cycle options of the product and its components determine basic structure of the scenario. For example, a motor is reused in the first life and, then, recycled at the end of its second life. 4. Life cycle flow: It is the central model of a life cycle scenario and represents flows of products, components, and materials as a network of life cycle processes and links. Figure 2 is an example of the life cycle flow where component A is reused and component B is recycled. 5.

Compared to classical LCA or even SLCA, this modelling method permits to act efficiently during the early design phase and to model many usage cycles. 28 4 CONCLUSION AND PERSPECTIVE In this article, we outline the fact that designers are in lack of methodologies to efficiently integrate the environmental criteria during the early design phases, namely the conceptual design phase: information on the product and its lifecycle are at that time lacunars. We demonstrate though that, by using LCA software anyway but modelling the product as an assembly of components lifecycles, it is possible to obtain intelligible environmental data very soon and to target the hot spots relative to the environment.

Figure1: Connecting hub, Steelcase 25 Figure 2: Impact of Components lifecycle and products level phases (Simapro6). 1p Total CdV1 100% 1p CdV1 Cable 30,4% 1p Fab Cable 30,4% 1p CdV1 Cable 54,2% 1p Fab Cable 54,2% 1p CdV1 0% 1p Collecte 5,98% 1p Reuse -203% 30 tkm transport by 13,2% that is in the heart of the system: it has to be designed for being collected, disassembled and finally treated before being put back in the normal chain. Besides the fact that the designer will have to design the components of the product to be remanufacturable for example, he also needs to ensure quickly that remanufacturing a certain component is the best environmental solution.

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