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ICS 27.040 K59 中 华 人 民 共 和 国 能 源 行 业 标 准 NB/T XXXXX—XXXX 螺杆膨胀机 转子动平衡 Dynamic balance of screw expander rotor 报批稿 XXXX - XX - XX发布 XXXX - XX - XX实施 发 布 Ⅰ 目 次 前 言 .................................................................................................................................................... 1 1 范围 ........................................................................................................................................................ 2 2 规范性引用文件 .................................................................................................................................... 2 3 术语和定义 ............................................................................................................................................ 2 3.1 平衡 ............................................................................................................................................. 2 3.2 不平衡状态 ................................................................................................................................. 2 3.3 不平衡矢量 ................................................................................................................................. 2 3.4 许用剩余不平衡量 ..................................................................................................................... 2 3.5 螺杆膨胀机(刚性)转子的状态 ............................................................................................. 3 4 螺杆膨胀机转子动力学和平衡的基础 ................................................................................................ 3 4.1 总则 ............................................................................................................................................. 3 4.2 不平衡分布 ................................................................................................................................. 3 4.3 转子的振型 ................................................................................................................................. 3 4.4转子不平衡的情形 ...................................................................................................................... 4 5 评定标准 ................................................................................................................................................ 4 5.1 总则 ............................................................................................................................................. 4 5.2 平衡品质 ..................................................................................................................................... 4 5.3 许用不平衡量 ............................................................................................................................. 4 5.4 许用不平衡量向校正平面的分配 ............................................................................................. 4 5.5 综合误差 ..................................................................................................................................... 5 5.6 剩余不平衡量的评定 ................................................................................................................. 5 6 转子动平衡方法 .................................................................................................................................... 6 6.1总则 .............................................................................................................................................. 6 6.2 校正平面的选择 ......................................................................................................................... 6 6.3 初始不平衡 ................................................................................................................................. 6 6.4 平衡方法 ..................................................................................................................................... 6 6.5 评定方法 ..........................................................
NB-T 11386-2023 螺杆膨胀机 转子动平衡
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