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Flexibility Analysis of the Welded Metal Bellows of Mechanical Seal

机译：机械密封焊接金属波纹管的柔韧性分析

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摘要

In this study, the stiffness and the flexibility of welded metal bellows of mechanical seal is studied numerically by changing the number of bellows membrane and the loading condition. The relationship between the number of membrane and the displacement, the stress and the flexibility are analyzed. For further improved the axial displacement, overall stiffness and the flexibility of the welded metal bellows membrane, the finite element analysis are conducted. The numerical results show that the maximum stress keeps constant value with increasing the number of bellows membrane under the same loading condition. The relationship between number of bellows membrane and stiffness as will as the flexibility are obtained. It is shown, stiffness is decreased and flexibility is increased with increasing of the number of the bellows membrane.
机译：在这项研究中，通过改变波纹管膜的数量和载荷条件，对机械密封的焊接金属波纹管的刚度和挠性进行了数值研究。分析了膜的数目与位移，应力和柔韧性之间的关系。为了进一步改善焊接金属波纹管膜的轴向位移，整体刚度和柔韧性，进行了有限元分析。数值结果表明，在相同载荷条件下，最大应力随波纹膜数量的增加而保持恒定。波纹管膜的数量与刚度之间的关系以及柔韧性都将获得。如图所示，随着波纹管膜数目的增加，刚度减小并且柔韧性增加。

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