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缠绕式等静压机工作缸密封特性研究

DOI: 10.3969/j.issn.1674-0696.2014.04.32, PP. 155-159

Keywords: 机电工程,密封结构,等效应力,工作缸,接触应力,electromechanicalengineering,sealstructure,equivalentstress,workingcylinder,contactstress

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Abstract:

:?利用大型有限元软件ABAQUS建立了缠绕式等静压机工作缸组合式密封结构的有限元分析模型,对密封结构的工作过程按实际工况进行了数值模拟,重点分析了组合式密封结构中V形橡胶圈和三角金属环的应力分布规律以及密封结构密封面处接触应力随压力载荷变化的规律。得出了在不同工作载荷状态下橡胶圈和三角金属环的等效Mises应力值,以及密封面上接触应力随工作载荷的变化情况,并证实了密封结构各部件满足材料强度要求,且能够满足实际密封要求。

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