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Table 4 Double damping oil film, liquid membrane for the main shaft frequency and amplitude

From: Research on fine boring simulation based on squeezed liquid film damper

Gap/mm Width/mm Oil film Liquid film Non-liquid film
Frequency/Hz Amplitude/μm Frequency/Hz Amplitude/μm Frequency/Hz Amplitude/μm
0.05 40 1102 1518 72.102 1114 1529 78.107 1023 1503 83.112
60 1113 1507 68.98 1098 1516 70.100 1098 1464 74.106
80 1132 1572 60.90 1132 1582 68.92 1135 1454 73.99
100 1129 1602 63.86 1176 1580 68.88 1097 1570 66.93
120 1205 1618 59.81 1212 1610 60.84 1153 1592 67.85
0.10 40 1016 1527 71.89 1021 1521 73.91 0986 1508 85.107
60 1035 1556 69.80 1039 1535 77.83 1024 1527 86.104
80 1038 1600 68.76 1056 1586 72.81 1038 1580 88.96
100 1096 1626 60.75 1087 1603 65.78 1069 1596 85.92
120 1123 1633 52.68 1108 1618 53.71 1123 1624 79.81
0.15 40 1023 1581 77.106 1009 1556 79.108 1010 1545 85.116
60 1034 1556 74.98 1031 1567 75.99 1056 1531 83.108
80 1078 1595 70.89 1046 1605 71.91 1035 1584 79.103
100 1100 1613 66.85 1106 1627 70.88 1078 1615 78.99
120 1135 1653 60.84 1097 1632 68.85 1110 1665 71.93
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