Research Article
On the Free Vibration Modeling of Spindle Systems: A Calibrated Dynamic Stiffness Matrix
Table 3
Spindle natural frequencies; experimental versus CDSM for a nonspinning spindle system, with flexible boundary conditions;
N/m.
| Nonspinning bending modes (Hz) | CDSM ( RPM) | Experimental (x-axis/y-axis) | Difference (%) (x-axis/y-axis) |
| | 1004.27/1004.59 | 929.81/926.51 | 8.0%/8.4% | | 1302.37/1302.68 | 1301.51/1310.67 | 0.07%/0.06% | | 1372.87/1373.19 | 1601.44/1583.86 | 14.3%/13.3% |
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