Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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The Technical Trend and Future Development Direction of Machine Tools Spindle System by Patent Analysis

특허분석을 통한 공작기계 주축기술현황과 발전방향

  • Park, Dong-Keun (R&D Cluster, Changwon National Univ.) ;
  • Choi, Jun-Young (Department of Mechanical Design & Manufacturing Engineering, Changwon National Univ.) ;
  • Choi, Chi-Hyuk (R&D Cluster, Changwon National Univ.) ;
  • Lee, Choon-Man (Department of Mechanical Design & Manufacturing Engineering, Changwon National Univ.)
  • 박동근 (창원대학교 R&D 클러스터사업단) ;
  • 최준영 (창원대학교 기계설계공학과) ;
  • 최치혁 (창원대학교 R&D 클러스터사업단) ;
  • 이춘만 (창원대학교 기계설계공학과)
  • Received : 2012.03.13
  • Accepted : 2012.03.19
  • Published : 2012.05.01
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Abstract

Recently, a high speed spindle is an essential part of machine tools to satisfy latest demand of high precision product and machining of hard materials. But, there are many disadvantages such as heat generation of built-in-motor, bearing friction, noise, vibration and displacement because of the high speed. Many researches on spindle systems have been conducted for solving these problems. In this study, technical trend of machine tools spindle systems are analyzed with patent PSM, mapping and grouping. The analysis is carried out for the applied patent during January 2000 and December 2009 in Korea, Japan, EU and U.S.A. And development of the direction, strategy and promising technologies of the spindle system are suggested.

Keywords

References

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