Abstract
The structure, strength, and stiffness of disc springs are analyzed or investigated. Based on the previous studies, two finite element models of combined disc springs are established and their loading and unloading deformation patterns are analyzed to determine the optimal combination of disc springs for a desirable vibration isolator of high-speed press. The structural parameters and loading data of JF75G-200 high-speed press are used for simulation and other experiments. The dynamic working points of disc springs in different combinations are drawn, and complete test data are collected. Results show that combined vibration isolator, an isolator with nonlinearly combined disc springs functioning as a whole for vibration isolation, is the best choice. Results from both simulation and tests confirm the feasibility and validity of the proposed isolator. The isolator can efficiently minimize the vibration of the high-speed press.
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