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Research on Stick-Slip Noise around Hub Bearings in Driven Wheels

Article of Honda R&D Technical Review Vol.15 No.1

Summary

Micro-slip motion occurs in the metal contact surfaces around the hub bearings of the driven wheels when automotive driving torque is applied. A stick-slip noise can accompany this slip motion. Analysis of the occurrence of stick-slip has shown that it is caused by a combination of factors. The research described in this paper has discovered previously unknown causes. Excess insertion load or axial force causes non-uniform strain in the bearing inner race; this strain builds up even after the load is released. Changes occur in the lubrication conditions of the press-fit face of the hub and the bearing inner race with varying insertion speed and humidity conditions, leading to the generation of excess insertion load. An effective method for prevention of stick-slip is proposed on the basis of this analysis.

Reference

(1) Takahashi, N., Kashiwaya, S.: High resolution transmission electron microscopy observation of the MoS2-Au interface formed due to Stick-Slip of MoS2 sliding on Au in relation to the friction trace, Wear, 206, p. 8-14 (1997)

Author (organization or company)

Mikio KASHIWAI(Tochigi R&D Center)、Haruo SHINOHARA(Tochigi R&D Center)、Nobuo NIWA(Honda Motor Co,. Ltd.)、Ikuo YAMAKAWA(Honda Motor Co,. Ltd.)、Shigeki OIDE(Honda Motor Co,. Ltd.)、Kunio MIZUNO(Honda Motor Co,. Ltd.)

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