Abstract
A passive support with a pivot mechanism was previously designed for increasing damping of the vibration modes of a flexible structure. Here, to investigate the influence of the contact conditions between the pivot support and a flexible plate, the contact area is discretised into line contacts using metal rollers. The effect of contact stiffness is also investigated using additional plastic rings. Impact hammering tests are conducted and measured dynamic compliances are compared. Machining tests are subsequently performed to confirm vibration suppression. The line contacts are found to exhibit good vibration suppression capability in both the vibration and machining tests.
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