Test Measurement on Mechanics parameters of Rubber Spring for Vibration Screen

In order to have a more detail understanding on the mechanics of the vibration rubber spring, a test method was applied to measure the rigidity, dampin g, dynamic damping ratio and other mechanics parameters of the vibration rubber spring.The measured results showed that the distinguishing point between the linear and nonlinear rigidity of the rubber spring would be 10% of the deformation value.The different loading speed would have a low influence to the rigidity of the rubber spr ing at the linear stage, would have a large influence to the nonlinear rigidity and would be linearly increased in tendency.The higher rigidity of the rubber spring, the sm aller dynamic damping coefficient and dynamic damping ratio would be.The damping coefficient of rubber spring measured in the test was 0.031 1320.033 854 and the dynamic damping ratio was 0.046 8330 .062 062.