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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.
송준엽(J.Y. Song),이창우(C.W. Lee),하태호(T.W. Ha),정연욱(Y.W. Jung),김영규(Y.G. Kim),이명철(M.C. Lee) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
In this study, automatic assembly and evaluation system for phone camera module is conceptually designed. The designed core(Auto focus & UV curing, Image Test) equipments adopts a clustering mechanism and compactible structure using index table for minimum tact time. Using a ball screw actuator and absolute encoder in each axis, we can verifies the repeatability and position accuracy of system within ±3㎛. In result of simulation test, the proposed system is expected up to 30% in productivity than manual operation.
송준엽(J. Y. Song),박화영(H. Y. Park),김현종(H. J. Kim),정연욱(Y. W. Jung),김용래(Y. R. Kim) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
In this study has developed analysis system for automatic inspection of FPD(Flat Panel Display) characteristic, such as brightness, view angle, color ratio in the manufacturing process. Developed system consists of inspection-sensor part, acquiring a data by 3-CCD Color CCD camera and Inspection-stage part, driving a FPD holder to rotation and tilt direction. In experiment results, we could have ensured easily brightness distribution, available view angle, color reproduce and could expect to improve the quality, productivity, and yield.
송준엽(J.Y. Song),이승우(S.W. Lee),장주수(J.S. Jang) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
There are many methodologies for doing analysis of system’s reliability in early design stage. Among the methods, PRISM is, as compared to MIL-HDBK-217, a newly developed technology but not easy to use. Because PRISM provides models that predict a part failure rate and field database, called EPRD and NPRD that can be combined with prediction models. This paper presents some capabilities of the prediction models in PRISM and usability of EPRD and NPRD database in system level reliability prediction.