Taking UG NX as the platform, the paper establishes three-dimensional solid model of the whole structure of hydrastatic burster, and based on NX Nastran, applies finite element analysis and optimization to the key part of the clamping block, making the structure is more reasonable and reducing the whole machine weight, being of important project practical value.%以UG NX为平台,建立了液压换管机整机结构的三维实体模型,并基于NX Nastran对其关键零件夹紧块进行了有限元分析与优化,使其结构更合理,减轻了整机重量,具有重要的工程实用价值.
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