基于振动响应重构的电主轴径向回转误差测量

阮佳豪,康为民,傅建中

Measurement of radial rotation error of electric spindle based on vibration response reconstruction

Jiahao RUAN,Weimin KANG,Jianzhong FU

表 2 电主轴有限元模型修正前后各阶固有频率

Tab.2 Inherent frequency of each order before and after modification of finite element model of electric spindle

模态阶数 f/Hz ε/% 修正前 修正后 实验结果 1 270.53 275.92 282.55 0.93 2 445.54 452.21 460.27 1.98 3 538.54 554.38 564.33 1.76 4 820.58 826.15 832.46 0.76 5 924.59 947.24 950.78 0.37 6 1 042.61 1 048.75 1 050.59 0.18