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首页> 外文期刊>Engineering failure analysis >Decreasing of vibration amplitudes of the converter pedestal by design changes and changes in prestress of the bolted joints
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Decreasing of vibration amplitudes of the converter pedestal by design changes and changes in prestress of the bolted joints

机译:通过设计变化和螺栓连接的预应力变化来减小转换器基座的振动幅度

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摘要

A new converter was installed on the pedestals on which the original converter sat. During the testing operation of the new converter there were found excessive deflections of the converter pedestals in locations of the bearing houses of the converter vessel. A detailed analysis based mainly on experiments showed the cause of these excessive vibrations of the converter pedestal. With proposal and implementation of design improvements in the location of bolt connections as well as changes both in anchoring of the pedestal and of the prestress in the bolts, the deflections were decreased below the allowed value.
机译:在原始转换器所在的基座上安装了新的转换器。在新转炉的测试过程中,发现转炉基座在转炉容器轴承座位置的过度偏转。主要基于实验的详细分析显示了转换器基座过度振动的原因。通过提议和实施设计来改进螺栓连接的位置,以及改变底座和螺栓中预应力的锚固,将挠度减小到允许值以下。

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