There are a lot of vibration and friction phenomena in the operation of mechanical systems. Interaction between vibration and friction often occurs when a machine is running. The effects of friction on mechanical systems are sometimes beneficial but sometimes harmful, so it is of great significance to study the influence of vibration on friction. Based on the self-built experimental platform, this paper studies the effect of vibration on interface friction reduction when tangential relative

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... ing velocity changes. The results show that under the condition of fixed vibration frequency and amplitude, the slower the tangential relative velocity, the greater the effect of vibration on the friction reduction between the interfaces, the faster the tangential relative velocity, the smaller the effect of vibration on the friction reduction between the interfaces.