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최정섭(J. S. Choi),경진호(J. H. Kyung),노승국(S. K. Ro),박종권(J. K. Park) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
The design of a miniaturized air spindle system suspended a magnetic bearing is discussed in this paper. We designed and manufactured for the machine tool of micro factory system. The proposed spindle is consisted of air bearing unit for supporting both side of the radial and axial direction and a magnetic bearing unit for controlling in the radial direction. The used air bearing is aero-static type and the equipped magnetic bearing is a homo-polar type magnetic bearing which has 4 poles and 4 coils. This magnetic bearing is located in the top side of the spindle for improvement of damping of air spindle. The diameter and length of the spindle are 84㎜ and 112㎜, respectively. We discussed the performance of an air bearing and a magnetic bearing in analytical and experimental approach.