Thermal Errors Classification Compensation without Sensor for CNC Machine Tools

<table class="fixed-width table-group" id="tab5"><tr><td><table class="table"><colgroup><col style="width:5.69em"/><col style="width:3.10em"/><col style="width:2.79em"/><col style="width:9.65em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Model</td><td class="align_center">STD</td><td class="align_center">MR</td><td class="align_center">Error sum of squares</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Theory</td><td class="align_center">2.8</td><td class="align_center">7.1</td><td class="align_center">512</td></tr><tr><td class="align_left">Correction</td><td class="align_center">1.1</td><td class="align_center">1.5</td><td class="align_center">68</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Prediction results of △<i>L</i> (unit: <i>μ</i>m).</div>

Mathematical Problems in Engineering

tab5

Table 5

Table 5: Thermal Errors Classification Compensation without Sensor for CNC Machine Tools 