Modelling the Dynamics of a CNC Spindle for Tool …
1062 C. Li et al. where, d 1, D 1 is the inner diameter and outside diameter of the reference bearing and d 2, D 2 is the inner diameter and outside diameter of the actual spindle bearing. And then the bearing damping could be obtained and shown in Table 2. 2.3 Modal Analysis of Spindle Rotor System The bearing stiffness and damping can be calculated …
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