Shock and Vibration / 2015 / Article / Tab 6

Research Article

Effect of Stiffness of Rolling Joints on the Dynamic Characteristic of Ball Screw Feed Systems in a Milling Machine

Table 6

Comparison of natural frequencies under the two modeling methods of joints.

Modal orders1234

Flexible connection (Hz)44.449.485.598.2
Rigid connection (Hz)66.869.8160.0178.8
Absolute error (Hz)22.420.174.580.6

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