Download Advances in Life Cycle Engineering for Sustainable by Shozo Takata, Yasushi Umeda PDF

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, during which required capabilities are supplied for purchasers with the minimal quantity of creation. This topic is mentioned from a number of the features, equivalent to existence cycle layout, layout for setting, reduce/reuse/recycle, existence cycle overview, and sustainable company models.
Advances in lifestyles Cycle Engineering for Sustainable production companies gathers jointly papers from the 14th CIRP existence Cycle Engineering convention. This convention is the longest operating annual assembly within the box, within which papers are provided concerning advancements of innovative applied sciences, proposals of latest options, and widespread case reports.

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Read or Download 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 PDF

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Extra resources 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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Figure 7 depicts the thought process of this step. The objective of this life cycle is to decrease the amount of disposal. We analyzed that the disposal amount increases because of shorter life of PCB and HDD than other components by using an external tool called “disposal cause analysis matrix” [3]. Therefore, a long life scenario, rapid circulation scenario and current scenario were set as solution candidates of life cycle concept. Among these candidates, long life scenario was set as a solution of life cycle concept because we consider the node “The objective of this life cycle is to decrease the amount of disposal” is important.

These life cycle options are shown in Table 1. Next, life cycle flow is described as shown in Figure 9. Then, we described situations of processes. For example, Table 2 shows the situation of exchange upgrading of PCBs. We assumed that a user brings the product to the shop, and pays the upgrade fee of 30,000 yen to the PC manufacturer. In the next step, this scenario was evaluated by using the idea of Life Cycle Simulation [5]. Here, we assumed that cost of manufacturing process, sales price, and upgrade fee of PCB, CPU and manufacturers' cost of PCB, CPU are set as 100,000 yen, 150,000 yen, 30,000 yen, 20,000 yen, 20,000 yen and 10,000 yen, respectively, in order to assess manufacturer’s profit.

The EU Directive of WEEE, certain disused products need to be taken back and recycled by their manufacturers or distributors, called as take-back responsibility. How to treat these end-of-life products economically and ecologically is the main researching issue of EOL-Eco-Strategy. There are some ways to treat these End-of-life products, such as maintenance, product reuse, part reuse, recycling and disposal, proposed by Ricoh’s Comet circle [1]. second-hand products, it is called as product reuse.

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