Laser Fabrication of Affective 3D Objects with 1/f Fluctuation
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概要
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The present paper describes the application of Kansei Engineering to the physical design of engineering products as well as its realization by laser sintering. We have investigated the affective information that might be included in three-dimensional objects such as a ceramic bowl for the tea ceremony. First, an X-ray CT apparatus is utilized to retrieve surface data from the teabowl, and then a frequency analysis is carried out after noise has been filtered. The surface fluctuation is characterized by a power spectrum that is in inverse proportion to the wave number f in circumference. Second, we consider how to realize the surface with a 1/f fluctuation on a computer screen using a 3D CAD model. The fluctuation is applied to a reference shape assuming that the outer surface has a spiral flow line on which unevenness is superimposed. Finally, the selective laser sintering method has been applied to the fabrication of 1/f fluctuation objects. Nylon powder is sintered layer by layer using a C0_2 laser to form an artificial teabowl with complicated surface contours.
- 一般社団法人日本機械学会の論文
- 2003-07-15
著者
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前川 克廣
茨城大学工学部
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赤羽 秀郎
茨工大
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林 照剛
大阪大学大学院工学研究科機械工学専攻
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Akabane Hideo
Department Of Media And Telecommunications Engineering Ibaraki University
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Akabane Hideo
Department Of Applied Electronics Tokyo Institute Of Technology
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Akabane Hideo
Department Of Applied Physics Tokyo Institute Of Technology
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Hayashi Terutake
The Research Center For Superplasticity Faculty Of Engineering Ibaraki University
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Maekawa Katsuhiro
The Research Center For Superplasticity College Of Engineering Ibaraki University
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Agu Masahiro
Department Of Electronics Faculty Of Engineering Ibaraki University
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NISHII Tomohiro
Graduate School of Science and Engineering, Ibaraki University
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Nishii Tomohiro
Graduate School Of Science And Engineering Ibaraki University
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Agu Masahiro
Department Of Electrical And Electronic Engineering Ibaraki University
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AGU Masahiro
Department of Media and Telecommunications Engineering, Ibaraki University
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林 照剛
大阪大学大学院
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