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특허분석을 통한 공작기계 자동공구교환장치의 기술 현황과 발전방향
김동현(Dong Hyeon Kim),지현수(Hyun Su Chee),이춘만(Choon Man Lee) Korean Society for Precision Engineering 2013 한국정밀공학회지 Vol.30 No.3
Automatic tool changer(ATC) is typically provided to a machine tool to improve the efficiency of the machine tool significantly by saving time in moving, switching, installing and storing tools as well as adjusting a calibrating the machine tool. In this study, technical trend of machine tools automatic tool changer are analyzed by patent mapping. And future development direction of automatic tool changer has suggested. The analysis is carried out by using problem solution map for the applied patent during 2000 and 2010 in USA, Japan, Europe and Korea.
특허분석을 통한 공작기계 이송계의 기술 현황과 발전방향
은인웅(In-Ung Eun),지현수(Hyun Su Chee),이지원(Ji Won Lee) Korean Society for Precision Engineering 2012 한국정밀공학회지 Vol.29 No.5
Feed drive systems are used to position the machine tool components carrying the cutting tool and workpiece to the desired location. Hence, their positioning accuracy and speed determine the quality and productivity of machine tools. In this paper, technical trend of machine tools feed drive systems are analyzed by patent mapping. And this paper suggested future development direction of feed drive systems. The analysis is carried out by using problem solution map (PSM) for the applied patent during January 2000 and December 2009 in Korea, Japan, EU and U.S.A.