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마이크로 앤드밀링 공정에 의한 미소기어부품 금형 가공 기술연구
노진석(J. S. Noh),김병두(B. D. Kim),김재구(J. G. Kim),윤재성(J. S. Yoon),제태진(T. J. Je) 한국소성가공학회 2009 한국소성가공학회 학술대회 논문집 Vol.2009 No.10
A multi-stage gear mold including gears of 2mm and 1.5mm diameter was designed and machined in this research for developing micro gear mold manufacturing technology with micro endmill. Mechanical shapes having differential micro teeth were analyzed to be formed as designed and processing conditions were optimized by analyzing machined surface chip and cutting force. Based on the results, a prototype of micro multi-stage gear mold was manufactured.
미세 패턴 롤 금형 가공시스템의 온도변화가 가공정밀도에 미치는 영향 연구
제태진(T. J. Je),박상천(S. C. Park),이강원(K. W. Lee),노진석(J. S. Noh),최두선(D. S. Choi),황경현(K. H. Whang) 한국소성·가공학회 2009 소성가공 : 한국소성가공학회지 Vol.18 No.2
Temperature variation happens in micro prism roll mold processing system during machining the prism pattern roll mold using manufacturing optical films of LCD (liquid crystal display). This temperature variation induces pitch errors of the prism patterns. The temperature variation displaces the positions of the diamond cutting tool on the roll which was coated by the copper. In order to prevent the pitch errors, the stabilizing the temperature of machining environment is needed. Therefore, the researching on the temperature variation of the ultra-precision roll mold processing system on the machining of micro prism roll mold is needed. In this paper, the temperature variation of micro prism roll mold processing system is researched, the influence is analyzed, and the study for reducing the pitch errors carried out.