The Microphone Feedback Analogy for Chatter in Machining

<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"> </td><td align="center">Natural frequency (Hz)</td><td align="center">Stiffness (a.u.)</td><td align="center">Viscous damping ratio</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Mode 1</td><td align="center">2215</td><td align="center">17</td><td align="center">0.06</td></tr><tr><td align="left">Mode 2</td><td align="center">3713</td><td align="center">26.2</td><td align="center">0.028</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Parameters for modal fit to microphone/speaker FRF magnitude.

Shock and Vibration

tab1

Table 1

Table 1: The Microphone Feedback Analogy for Chatter in Machining 