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이영문(Lee Young-Moon),임만택(Lim Mann-Taek) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(계획계)
As environments surrounding cities are changing, such as population, physical structures and intensified competition with other cities around the world, it is important for Sendai, Japan to make use of its existing resources and characteristics to enhance its advantages. The city vision of Sendai is to incorporate relevant policies and to create a beautiful and active city according to the four basic directions: to establish a city of creation, a city of exchange, and a city of using both creation and exchange as key words, and a city of forests. Therefore, strategic vision for the framework to be developed for definite realization of city image targeted by Sendai 21 Plan should be practically considered.
이영문(Young-Moon Lee),배대원(Dae-won Bae),김선일(Sun-Il Kim),황근식(keun-sik Hwang),손성필(Sung-Pil Son),박건우(Geon-Woo Park) 한국기계가공학회 2006 한국기계가공학회 춘추계학술대회 논문집 Vol.2006 No.-
In Ball end milling processes, characterized by use of rotating tools, the underformed chip volume varies periodically with the phase change of tool. In current study, as a new approach to analyze shear behaviors in the shear plane and chip-tool friction behaviors in the chip-tool contact region during an ball end milling process. In this approach, ball end milling process is transformed into an equivalent oblique cutting process. Experimental investigations for two sets of cutting tests i.e.. ball end milling and the equivalent oblique cutting tests were performed to verify the presented model.