The authors developed a computer simulator for in-contact head slider motion where a 3-DOF model of head-suspension assembly was introduced and effects of meniscus force between the slider and the disk were considered. The contact force between a contact pad and a disk surface was taken into account and the dynamic characteristics of an in-contact head slider were discussed from the viewpoints of both bouncing vibration and wear durability by not only 3-DOF head-suspension assembly model over a sinusoidal disk surface undulation but also 1-DOF head-suspension assembly model over a sinusoidal disk surface undulation. In addition to the critical frequency of bouncing, the critical frequency of pressure was introduced. As a result of 3-DOF simulation and 1-DOF analysis, it was found that there exists an optimum surface energy at which the stability of bouncing vibration and wear durability becomes highest under perfect contact condition. Furthermore, the behavior of the optimum point for several design parameters were made clear.
Dynamic Characteristics of an In-Contact Head Slider Considering Meniscus Force: Part 3—Wear Durability and Optimization of Surface Energy of Liquid Lubricant Under Perfect Contact Condition
Contributed by the Tribology Division for publication in the ASME JOURNAL OF TRIBOLOGY. Manuscript received by the Tribology Division May 4, 2001 revised manuscript received April 9, 2002. Associate Editor: C.-P. R. Ku.
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Matsuoka, H., Fukui, S., and Kato, T. (September 24, 2002). "Dynamic Characteristics of an In-Contact Head Slider Considering Meniscus Force: Part 3—Wear Durability and Optimization of Surface Energy of Liquid Lubricant Under Perfect Contact Condition ." ASME. J. Tribol. October 2002; 124(4): 801–810. https://doi.org/10.1115/1.1484112
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