Transactions of the Korean Society of Machine Tool Engineers (한국공작기계학회논문집)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Experimental Verification for Transverse Vibration Behavior of a Spinning Disk with Torque Variation

구동토크의 고주파 변동 성분이 존재하는 회전원판의 횡진동 거동에 대한 실험 검증

  • 이기녕 (한국산업기술평가원 기술평가실) ;
  • 신응수 (충북대학교 공과대학 기계공학부) ;
  • 김옥현 (충북대학교 공과대학 기계공학부)
  • Published : 2005.08.01
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Abstract

This paper intends to identify experimentally the relationship between transverse vibration behavior of a spinning disk and high-frequency fluctuation in the driving torque. A testrig has been developed using a CD-ROM disk, a driving motor with torque-varying capability and a power transmission belt and a laser vibrometer was employed to measure the transverse vibration displacements of the disk for a certain range of the spinning speed. The results show that the spinning speed and the magnitude and frequency of the torque fluctuation affect the stability of the disk. In other word, the torque fluctuation causes the instability of the disk at several ranges of the spinning speed below the critical speed and its effects become larger as the disk spins faster or the magnitude of torque fluctuation becomes bigger. The experimental results are found to be in good agreement with analytical estimation.

Keywords

References

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