A simulation method in which grooves are virtually distributed on the slider air bearing instead of on the grooved medium surface has been developed and used to investigate the performance of sliders flying over the surface of a discrete-track medium. The simulated flying height loss due to a discrete-track medium coincides well with the measured data, whereas the average-estimation method overestimates flying height loss. Among the characteristics of a slider flying over the surface of a discrete-track medium that were studied are the flying attitude, the effect of groove parameters on flying profile, and the flying height losses due to manufacturing variation and altitude. The results indicate that when a slider is flying over the surface of a discrete-track medium, it will have a higher of flying height, be more sensitive to altitude, and will have a greater flying height loss.
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October 2007
Technical Papers
Performance of Sliders Flying Over Discrete-Track Media
Jianhua Li,
Jianhua Li
Central Research Laboratory,
Hitachi Ltd.
, 1, Kirihara, Fujisawa, Kanagawa, 252-8588, Japan
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Junguo Xu,
Junguo Xu
Central Research Laboratory,
Hitachi Ltd.
, 1, Kirihara, Fujisawa, Kanagawa, 252-8588, Japan
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Yuki Shimizu
Yuki Shimizu
Central Research Laboratory,
Hitachi Ltd.
, 1, Kirihara, Fujisawa, Kanagawa, 252-8588, Japan
Search for other works by this author on:
Jianhua Li
Central Research Laboratory,
Hitachi Ltd.
, 1, Kirihara, Fujisawa, Kanagawa, 252-8588, Japan
Junguo Xu
Central Research Laboratory,
Hitachi Ltd.
, 1, Kirihara, Fujisawa, Kanagawa, 252-8588, Japan
Yuki Shimizu
Central Research Laboratory,
Hitachi Ltd.
, 1, Kirihara, Fujisawa, Kanagawa, 252-8588, JapanJ. Tribol. Oct 2007, 129(4): 712-719 (8 pages)
Published Online: June 11, 2007
Article history
Received:
May 7, 2006
Revised:
June 11, 2007
Citation
Li, J., Xu, J., and Shimizu, Y. (June 11, 2007). "Performance of Sliders Flying Over Discrete-Track Media." ASME. J. Tribol. October 2007; 129(4): 712–719. https://doi.org/10.1115/1.2768069
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