In this paper, the design condition of a single-degree-of-freedom (1DOF) contact slider over a random wavy surface of a disk is analyzed statistically. It is numerically confirmed that when the slider is in contact with a disk, spacing variation histograms are close to Gaussian even if surface waviness histogram is not close to Gaussian. The design condition of the slider and the surface waviness necessary for perfect contact sliding is derived from where and δ are the standard deviation of spacing variation and the static penetrating depth, respectively, and it is verified both numerically and experimentally. The necessary condition for wear durability under uniform contact pad pressure is also derived. An example of the slider-to-disk interface design which satisfies both perfect contact sliding and wear durability is shown. In order to evaluate adequately, frequency response of slider must be integrated over the range from to where is the contact resonance frequency. It is found that a disk surface should be extremely smooth to satisfy both the perfect contact sliding and wear durability conditions. [S0742-4787(00)03001-0]
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January 2000
Technical Papers
Statistical Analysis of Perfect Contact and Wear Durability Conditions of a Single-Degree-of-Freedom Contact Slider
Kyosuke Ono, Professor,,
Kyosuke Ono, Professor,
Department of Mechanical Engineering and Science,
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Kohei Iida
Kohei Iida
Graduate School of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8852, Japan
Search for other works by this author on:
Kyosuke Ono, Professor,
Department of Mechanical Engineering and Science,
Kohei Iida
Graduate School of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8852, Japan
Contributed by the Tribology Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS and presented at the STLE/ASME Tribology Conference, Orlando, FL, October 10–13, 1999. Manuscript received by the Tribology Division March 29, 1999; revised manuscript received July 14, 1999. Paper No. 99-Trib-39. Associate Technical Editor: J. L. Streator.
J. Tribol. Jan 2000, 122(1): 238-245 (8 pages)
Published Online: July 14, 1999
Article history
Received:
March 29, 1999
Revised:
July 14, 1999
Citation
Ono , K., and Iida , K. (July 14, 1999). "Statistical Analysis of Perfect Contact and Wear Durability Conditions of a Single-Degree-of-Freedom Contact Slider ." ASME. J. Tribol. January 2000; 122(1): 238–245. https://doi.org/10.1115/1.555369
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