Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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A Study on Ultra Precision Rotational Device Using Smooth Impact Drive Mechanism

스무즈 임팩트 구동 메커니즘을 이용한 초정밀 회전장치에 관한 연구

  • 이상욱 (울산대학교 대학원 기계자동차공학과) ;
  • 전종업 (울산대학교 기계자동차공학부)
  • Published : 2008.04.01
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Abstract

This paper represents an ultra precision rotational device where the smooth impact drive mechanism (SIDM) is utilized as driving mechanism. Linear motions of piezoelectric elements are converted to the rotational motion of disk by frictional forces generated between the rotational disk and the friction part that is attached to the piezoelectric element. This device was designed to drive the rotational disk using slip-slip motion mechanism instead of stick-slip motion mechanism occurred in conventional impact drive mechanism. Experimental results show that the angular velocity is increased in proportion to the magnitude and frequency of supplied voltage to piezoelectric element and decreased as the preload is increased. In our device, the smooth rotational motion was obtained when the driving frequency has been reached to 500Hz under the driving voltage of 100V.

Keywords

References

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