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Optimized bolt tightening strategies for gasketed flanged pipe joints of different sizes

机译:针对不同尺寸的带垫片法兰管接头的优化螺栓拧紧策略

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摘要

Achieving a proper preload in the bolts of a gasketed bolted flanged pipe joint during joint assembly is considered important for its optimized performance. This paper presents results of detailed non-linear finite element analysis of an optimized bolt tightening strategy of different joint sizes for achieving proper preload close to the target stress values. Industrial guidelines are considered for applying recommended target stress values with TCM (torque control method) and SCM (stretch control method) using a customized optimization algorithm. Different joint components performance is observed and discussed in detail.
机译:对于接头的优化性能而言,重要的是,在接头组装过程中,在垫片式法兰法兰管接头的螺栓中实现适当的预紧力非常重要。本文介绍了针对不同接头尺寸的优化螺栓拧紧策略的详细非线性有限元分析结果,以实现接近目标应力值的适当预紧力。考虑采用行业指南,以使用定制优化算法的TCM(扭矩控制方法)和SCM(拉伸控制方法)应用推荐的目标应力值。观察并详细讨论了不同的关节组件性能。

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