2-DOF Analysis of Friction-Induced Slider Vibrations in a Near-Contact Regime

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  • 3207 粗さ接触/潤滑剤の吸着力を考慮した 2 自由度スライダ接触振動解析

Abstract

This paper presents an analytical and experimental study of friction-induced bouncing vibrations of a flying head slider in a near-contact regime by using a 2-DOF slider model in a translation and pitch motion. During calculation of contact force characteristics between the trailing pad and disk, we considered asperity contact including bulk deformation, adhesive force of lubricant and friction force in the real contact area. We numerically simulated the dynamic behavior of the slider in the near-contact regime. As a result, we can obtain the hysteresis behavior of slider bouncing vibration and severe bouncing vibration with some super-harmonics as seen in the experiment.

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