一水泵振动频谱大家分析一下高频400和450处的尖峰是什么 ...? Bearing frequencies : NU 2217 ECM Input parameters [tr] [td] n i Rotational speed of the inner ring [/td] [td=208] 1500 r/min [/td] [/tr] [tr] [td] [/td] [/tr][/tr] Result [tr] [td] f i Rotational frequency of the inner ring [/td] [td=301] 25.0 Hz [/td] [/tr] [tr] [td] f e Rotational frequency of the outer ring [/td] [td=301] 0.0 Hz [/td] [/tr] [tr] [td] f c 滚动元件和保持架组件的旋转频率 Rotational frequency of the rolling element and cage assembly [/td] [td=301] 10.601265822784809 Hz [/td] [/tr] [tr] [td] f r 滚动元件绕轴旋转的频率 Rotational frequency of a rolling element about its own axis [/td] [td=301] 80.39293248945147 Hz [/td] [/tr] [tr] [td] f ip 过滚动内圈上的一个点的频率 Over-rolling frequency of one point on the inner ring [/td] [td=301] 244.77848101265823 Hz [/td] [/tr] [tr] [td] f ep 过滚动外圈上的一个点的频率 Over-rolling frequency of one point on the outer ring [/td] [td=301] 180.22151898734177 Hz [/td] [/tr] [tr] [td] f rp 过滚动的滚动元件上的一个点的频率 Over-rolling frequency of one point on a rolling element [/td] [td=301] 160.78586497890294 Hz [/td] [/tr][/table] B Bearing frequencies : 6314 fr Input parameters n i Rotational speed of the inner ring 1500 r/min n e Rotational speed of the outer ring (only used to calculate the bearing frequencies) 0 r/min [table=548] Result [tr] [td] f i Rotational frequency of the inner ring [/td] [td=308] 25.0 Hz [/td] [/tr] [tr] [td] f e Rotational frequency of the outer ring [/td] [td=308] 0.0 Hz [/td] [/tr] [tr] [td] f c Rotational frequency of the rolling element and cage assembly [/td] [td=308] 9.613636363636363 Hz [/td] [/tr] [tr] [td] f r Rotational frequency of a rolling element about its own axis [/td] [td=308] 51.2474946313529 Hz [/td] [/tr] [tr] [td] f ip Over-rolling frequency of one point on the inner ring [/td] [td=308] 123.0909090909091 Hz [/td] [/tr] [tr] [td] f ep Over-rolling frequency of one point on the outer ring [/td] [td=308] 76.9090909090909 Hz [/td] [/tr] [tr] [td] f rp Over-rolling frequency of one point on a rolling element [/td] [td=308] 102.4949892627058 Hz [/td] [/tr] 查看更多1个回答 . 4人已关注