Abstract
Engine mounts are used to isolate the influence of the engine’s vibration on the frame and the body. Both rubber isolator and wire-net isolator are applied as engine mounts. In order to make comparison of their vibration characters correctly, theory of vibration was used to construct a six-degree freedom dynamic model of an engine mount system. Tests were also made on their vibration severity. Calculation and test showed that the dynamic model was correct and feasible. Test was further made on the vibration transfer efficiency of wire-net isolator. The wire-net isolator has better characteristics than that of the rubber isolator. The results have reference value in engine’s further design.
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