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최정섭(J. S. Choi),경진호(J. H. Kyung),노승국(S. K. Ro),김창기(C. K. Kim),박종권(J. K. Park) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
The design of a miniaturized spindle system applied active magnetic bearings(MB) is discussed. The proposed system is consisted of radial and axial magnetic bearings. The radial magnetic bearing is hybrid type, permanent magnet for bias magnetic flux and electromagnet for control current. And the axial magnetic bearing is only used electromagnet. Therefor this system is a 5 degrees of freedom active control system. In this paper, we suggest the design specification, such as stiffness, length and width of each part, including permanent magnet. We will apply this spindle system to micro machine tool system for micro factory.
최정섭(J. S. Choi),경진호(J. H. Kyung),노승국(S. K. Ro),김창기(C. K. Kim),박종권(J. K. Park) 한국생산제조학회 2006 한국생산제조시스템학회 학술발표대회 논문집 Vol.2006 No.5
The design of a miniaturized spindle system applied active magnetic bearings(MB) is discussed. The proposed system is consisted of radial and axial magnetic bearings. The radial magnetic bearing is hybrid type, permanent magnet for bias magnetic flux and electromagnet for control current. And the axial magnetic bearing is only used electromagnet. Therefor this system is a 5 degrees of freedom active control system. In this paper, we suggest the design specification, such as stiffness, length and width of each part, including permanent magnet. We will apply this spindle system to micro machine tool system for micro factory.
Reconfigurable μ-Factory 조립 통합제어 기술개발
송준엽(J. Y. Song),이창우(C. W. Lee),하태호(T. H. Ha) 한국생산제조학회 2005 한국공작기계학회 추계학술대회논문집 Vol.2005 No.-
The manufacturing system is demanded to reduce the size, in order to have a competitiveness. The μ- factory is small-size production systems that is suitable for fabrication and manufacturing of small-sized parts and products. The μ-factory is remarkable because it cuts a production energy, is easy contamination control, bring light investment, reduce running cost The μ-factory of this research is used to assemble a cellular phone camera lens module. This research has two suggestions. One is the infra table that make reconfigurable μ-factory easily. The other is self-adjustment module that can adjust one part to the other part automatically.
Reconfigurable μ-Factory 조립 통합제어 기술개발
송준엽(J. Y. Song),이창우(C. W. Lee),하태호(T. H. Ha) 한국생산제조학회 2005 한국생산제조시스템학회 학술발표대회 논문집 Vol.2005 No.10
The manufacturing system is demanded to reduce the size, in order to have a competitiveness. The μ- factory is small-size production systems that is suitable for fabrication and manufacturing of small-sized parts and products. The μ-factory is remarkable because it cuts a production energy, is easy contamination control, bring light investment, reduce running cost The μ-factory of this research is used to assemble a cellular phone camera lens module. This research has two suggestions. One is the infra table that make reconfigurable μ-factory easily. The other is self-adjustment module that can adjust one part to the other part automatically.
최정섭(J. S. Choi),경진호(J. H. Kyung),노승국(S. K. Ro),박종권(J. K. Park) 한국생산제조학회 2006 한국생산제조시스템학회 학술발표대회 논문집 Vol.2006 No.5
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.
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.
최정섭,경진호,노승국,박종권 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 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 84mm and 112mm, respectively. We discussed the performance of an air bearing and a magnetic bearing in analytical and experimental approach.
조성락(Sungrak Cho),경진호(Jinho Kyung),노승국(Seungkook Ro),박종권(Jongkweon Park),노명규(Myounggyu Noh) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
A micro magnetic bearing system with five degrees of freedom active control has been designed for a miniature spindle to be used in a μ-factory. A shaft of the micro spindle is suspended by five set of hybrid magnetic bearings at each side of the shaft. Permanent magnets produce bias magnetic flux for the magnetic bearings and an electric motor(Φ 24,70W) is set between the magnetic bearings. Five eddy current sensors are used to measure the shaft position. An analytical model of the system is developed for the design purpose. This model is verified through 3-D finite element analysis. A prototype spindle is designed and currently under construction.