Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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A Fundamental Study on the Development of a Variable Preload Device Using Toggle Joint Mechanism

토글 조인트장치를 이용한 가변예압장치 개발을 위한 기초 연구

  • Choi, Chi Hyuk (R&D Cluster, Changwon National Univ.) ;
  • Cha, Na Hyeon (Department of Mechanical Design & Manufacturing Engineering, Changwon National Univ.) ;
  • Lee, Choon Man (Department of Mechanical Design & Manufacturing Engineering, Changwon National Univ.)
  • 최치혁 (창원대학교 R&D 클러스터사업단) ;
  • 차나현 (창원대학교 기계설계공학과) ;
  • 이춘만 (창원대학교 기계설계공학과)
  • Received : 2013.01.11
  • Accepted : 2013.01.15
  • Published : 2013.03.01
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Abstract

To increase the machine accuracy by improving the stiffness of spindle bearings, preload was applied to the spindle bearings. The methods of fixed position preload, convertible preload, constant pressure preload, and variable preload are used to apply the preload to the spindle bearing. The previous studies performed by the author of this study were variable preload methods using rubber pressure and centrifugal force based on mechanical systems. This study proposed a toggle joint mechanism that could be applied to variable preload method using centrifugal force and rubber pressure to increase the preload. Also, a finite element analysis was conducted to predict the deformation of the rubber and change of the preload. And the analysis results showed that the preload by the device using rubber pressure only was increased by the toggle joint mechanism using rubber pressure.

Keywords

References

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