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제태진(T. J. Je),최두선(D. S. Choi),이응숙(E. S. Lee),황경현(K. H. Hwang),홍성민(S. M. Hong),최진성(J. S. Choi),송병준(B. J. Song) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
As the Mobile and Display technology are being developed quickly, new wireless devices are released in great numbers. They reduce existing devices’ life time and demand a reduction of developing period of portable devices. With these demands, existing film cutting mold used many films of portable devices, especially LCD Display, needs to be more precise, and cheaper. In this research, we have analyzed machining characteristics of cutter shapes, materials, and cutting conditions for application to other films. Cutter edge was machined by slot cutting method and CAD program to select the cutter shape and cutter angle. Also, we have determined the optimal cutting conditions using high speed machining experiments to improve the productivity.
기능성 초정밀 핵심 요소부품 제조 초정밀 금형 기반기술 개발
제태진(T.J. Je),이응숙(E.S. Lee),최두선(D.S. Choi),김재구(J.G. Kim),황경현(K.H. Whang),윤재성(J. S. Yoon),장성환(S.H. Chang) 한국소성가공학회 2009 한국소성가공학회 학술대회 논문집 Vol.2009 No.5
Demands for high quality and productivity of precision mechanical parts are increasing greatly nowadays due to the rapid growth of information technologies and convergence industries. Therefore, core technologies for fabrication of precision mechanical parts are the fundamental issues, which are the precision machining, micro powder injection molding technologies, MR polishing, micro polymer processes, micro actuation modules and so on. These technologies are directly related to the mass production of high functional devices and machineries. Therefore, this study investigates the fabrication technologies of micro precision molds for advanced devices for possible commercialization in a near future.
마이크로 엔드밀링 공정을 이용한 소형 인코넬강 로우터의 기초가공 실험
제태진(T. J. Je),최환진(H. J. Choi),박언석(E. S. Park),전은채(E. c. Jeon),최두선(D. C.Choi) 한국소성가공학회 2010 한국소성가공학회 학술대회 논문집 Vol.2010 No.10
A rotor which is essential component in rotation machine is used in high temperature and pressure. Recently, research for the small rotor is studied because of demanding for miniature generators and micro air vehicles. Machining the rotor is difficult, because the rotor is made of Inconel alloy which is heat-resisting and corrosion-resisting material. This study is researched on milling properties of Inconel alloy 718 to machine small rotor. Conditions of Inconel 718 machining are made through analyzing the machined surface, roughness and cutting force, by changing cutting conditions which are tool feed rate, cutting depth and cutting oil. The small rotor is machined to use the established milling conditions.