- 學位論文
立式綜合加工機之減振設計
Design of Vibration Reduction of Vertical Type Machining Center
並列摘要
In the present, high precision and high cutting speed have become the main developing trend of Machine Tools. The amplitude of vibration of the machine affects the machine accuracy. Therefore, it is important to investigate the rigidity and dynamic characteristics of the Machine Tools designed in order to avoid resonance phenomena and upgrade the efficiency and lifetime of the machine. The structural analysis of a selected Vertical Type Machining Center based on 3D finite element model are conducted to obtain the structural natural frequencies and associated mode shapes, and the harmonic responses. And use the dynamic vibration absorber amplitudes to reduce resonances arising. The preliminary results show that amplitude of vibration is reduced 71.87 % for first mode, 68.46 % for second mode and 63.21 % for third mode as compared to original design.
參考文獻
延伸閱讀
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