Anti-Vibration Tribometer Using Viscous Damping Effect Generated by Lateral Slip

This paper proposes a simple and novel principle for suppressing frictional vibration using viscous damping effect generated by “lateral slip” given to a typical sliding system. This principle was applied to the measurement of friction coefficient and an anti-vibration tribometer (AVT) was developed. The AVT suppressed frictional vibration caused by the negative dependence of the friction coefficient on the relative velocity, and it enabled one to measure friction coefficient accurately in the force balance between the friction force and spring force. If using the mean value of oscillating spring force to calculate friction coefficient under frictional vibration, it was found that considerable errors (e.g., approximately 30%) appears.