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Frequency Characteristics of Stiffness and Damping Effect of a Ferrofluid Bearing

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Abstract

Damping characteristics and frequency characteristics of a ferrofluid bearing spindle were measured using a high-frequency vibration base driven by a piezo actuator. They show that ferrofluid bearing spindles have effective damping. In this experiment, the damping effect became larger with higher spindle rotational speed.

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References

  1. S. Noguchi, K. Tanaka and K. Ono, IEEE Trans. Magn. 35, (1999).

  2. T. Hirayama and H. Yabe, in: Proceedings of JAST Tribology Conference Tokyo 2000-5, in Japanese (2000) p. 275.

  3. K. Ono, Machine Dynamics (Baihuukan, 1999).

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Authors and Affiliations

  1. Department of Opto-Mechatronics, Faculty of Systems Engineering, Wakayama University, 930 Sakaedani, Wakayama, 640-8510, Japan

    M. Miwa, H. Harita, T. Nishigami & R. Kaneko

  2. Ferrotec Corporation, 1-4, Midoridaira, Yokaichiba, Chiba, 289-2131, Japan

    H. Unozawa

Authors
  1. M. Miwa
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  2. H. Harita
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  3. T. Nishigami
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  4. R. Kaneko
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  5. H. Unozawa
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Corresponding author

Correspondence to M. Miwa.

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Miwa, M., Harita, H., Nishigami, T. et al. Frequency Characteristics of Stiffness and Damping Effect of a Ferrofluid Bearing. Tribology Letters 15, 97–105 (2003). https://doi.org/10.1023/A:1024448930757

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  • DOI: https://doi.org/10.1023/A:1024448930757

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