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

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Direction</td><td align="center">Stiffness (N/m)</td><td align="center">Number of stiffness elements</td><td align="center">Parameters of stiffness elements</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Normal</td><td align="center">5.07 × 10<sup>10</sup></td><td align="center">16</td><td align="center">3.12 × 10<sup>9</sup></td></tr><tr><td align="left">Tangential</td><td align="center">2.02 × 10<sup>10</sup></td><td align="center">16</td><td align="center">1.26 × 10<sup>9</sup></td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Stiffness of bolted joints and parameters of stiffness elements.

Shock and Vibration

tab1

Table 1

Table 1: Effect of Stiffness of Rolling Joints on the Dynamic Characteristic of Ball Screw Feed Systems in a Milling Machine 