Research Article
On the Free Vibration Modeling of Spindle Systems: A Calibrated Dynamic Stiffness Matrix
Table 2
Spindle natural frequencies versus various spinning speeds, for flexible boundary conditions;
N/m.
| | Mode | 9.55
(RPM) | 4784.2
(RPM) | 9558.9
(RPM) | 14334
(RPM) | 19108
(RPM) | 23883
(RPM) | 28657
(RPM) | 33432
(RPM) |
| | 1 | 1004.27 | 924.69 | 845.11 | 765.54 | 685.96 | 606.38 | 526.80 | 447.23 | | 2 | 1004.59 | 1084.16 | 1143.21 | 1063.63 | 984.06 | 904.48 | 824.90 | 745.32 | | 3 | 1302.37 | 1222.79 | 1163.741 | 1134.14 | 1054.56 | 974.98 | 895.41 | 815.83 | | 4 | 1302.68 | 1293.29 | 1213.716 | 1243.32 | 1322.90 | 1402.47 | 1468.05 | 1388.47 | | 5 | 1372.87 | 1382.26 | 1461.838 | 1541.42 | 1541.42 | 1547.62 | 1482.05 | 1561.63 | | 6 | 1373.19 | 1452.77 | 1532.344 | 1611.92 | 1627.20 | 1700.57 | 1780.15 | 1859.73 |
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