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김법민(Bup Min Kim),최원선(Won Sun Choi),하재용(Jae Young Ha),김태형(Tae Hyoung Kim) Korean Society for Precision Engineering 2011 한국정밀공학회지 Vol.28 No.8
In order to manufacture precision parts which are used for IT and BT Industry by machining, users need higher speed & precision machining center. So, for development of this kind of machine, we designed gantry type machining center which is piling of 3 axes on one moving body and the 2-axis rotary table is fixed on the base. It is applied linear motor that is instead of ballscrew and servo-motor combination and 50,000 rpm high-speed spindle. Composite material structure called mineral casting or resin concrete is applied also. This paper presents design technology and evaluated results of high speed and precision machining center.