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Analysis of Reusability using ‘Marginal Reuse Rate’ |
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| Authors: | Yasushi Umeda Takashi Sugino |
| Affiliation: | a Dept. of Mechanical Engineering, School of Engineering, Osaka University, Osaka, Japan b National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan c Dept. of Mechanical Engineering, School of Engineering, Tokyo Metropolitan University, Tokyo, Japan (Currently, Bridgestone Co. Ltd., Tokyo, Japan) d Tokyo, Japan |
| Abstract: | While reuse is an effective lifecycle option in terms of reduction of environmental loads and value of reutilization, reuse has inherent difficulties. Our naive question is why component reuse of home appliances seems impossible while that of photocopiers succeeded. This paper clarifies an essential factor for successful reuse; that is, the balance between supply and demand of reusables, and proposes an index named ‘marginal reuse rate,’ which indicates upper limit of reusability. By using this index, reusability of several products is analyzed. The marginal reuse rate indicates that design of lifecycle, in addition to product design, is indispensable for successful reuse. |
| Keywords: | Lifecycle Product Design Reuse Rate |
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