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이희관,김연술,김도형,노상흡,양균의,Lee, Hi-Koan,Kim, Yeun-Sul,Kim, Do-Hyung,Roh, Sang-Heup,Yang, Gyun-Eui 한국기계가공학회 2003 한국기계가공학회지 Vol.2 No.4
This paper presents the formed tool to machine a milli-structure mold. The formed tool is used to machine the geometrical shape of bearing rubber seal for precision machining. The bearing rubber seal has milli-sized complex geometry. Because it is difficult to machine the unique shape exactly by the conventional tool, the formed tool is used in machining die of the bearing seal. In this paper, it is performed to investigate properties of the formed tool; tool wear, cutting force and machined surface roughness. Tool wear increases rapidly with clearance angle Increase. Thus, the dimension accuracy is affected by the clearance angle.