6104 環境調和型オイルフィルタの開発とその生産システム

概要

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Oil filter for automobile has relatively short lifetime, average one year, and the weight of those disposals has reached approximately 2.5 million tons per year. Those were treated as industrial wastes and the environmental impact has not been negligible. To improve the environmental performance, we analyzed the conventional oil filters by using Life Cycle Assessment (LCA). As a result, we found the fact that the level of environmental load was higher not only in disposal process of life-end products but also in manufacturing process including material refinement. Based on the analysis, we developed the new oil filter and its production system from the zero base so that the total environmental impact could be minimized. The structure of the new product is drastically changed. Filter element is directly formed from the fiber materials to the desired shape. At the same time, part counts are reduced down to possible minimum numbers and thermal recycle has become possible because of the no metallic part contained. In the production system, the direct 3D-forming technology has been developed in-house to realize the new 3D formed oil filter. At the same time, we aimed at the ultimate revel of environment-free plant by adopting all possible technologies in energy saving and zero emission.
社団法人日本機械学会の論文
2003-03-28