Modeling of Preload Bolted Flange Connection Structure for Loosening Analysis and Detection

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">The test bolt preload</td><td class="align_center">300 N</td><td class="align_center">5000 N</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left"><i>Q</i><sub>1</sub></td><td class="align_center">1.70<i>E</i>6</td><td class="align_center">1.01<i>E</i>6</td></tr><tr><td class="align_left">Δ<i>Q</i><sub>1</sub></td><td class="align_center">0.68</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div><i>Q</i><sub>1</sub> and Δ<i>Q</i><sub>1</sub> under different loose bolt preload of the connection structure with 6 bolts under 1500 N impact load with standard preload of 5000 N.</div>

Shock and Vibration

tab8

Table 8

Table 8: Modeling of Preload Bolted Flange Connection Structure for Loosening Analysis and Detection 