Stiffness Calculation Model of Thread Connection Considering Friction Factors

<table class="fixed-width table-group" id="tab4"><tr><td><table class="table"><colgroup><col style="width:2.71em"/><col style="width:9.22em"/><col style="width:4.65em"/><col style="width:5.39em"/><col style="width:8.97em"/></colgroup><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="2">No.</td><td class="align_center" rowspan="2">Size code of threads</td><td class="align_center" rowspan="2">Material</td><td class="align_center" colspan="2">Theory</td></tr><tr><td class="align_center">This study</td><td class="align_center">Yamamoto method</td></tr><tr><td class="align_left" colspan="5"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">M10×1.5×9</td><td class="align_center" rowspan="3">Steel</td><td class="align_center">1759.23</td><td class="align_center">2006.2</td></tr><tr><td class="align_left">2</td><td class="align_center">M10×1.25×9</td><td class="align_center">2083.17</td><td class="align_center">2177.1</td></tr><tr><td class="align_left">3</td><td class="align_center">M10×1×9</td><td class="align_center">2324.30</td><td class="align_center">2375.2</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Stiffness of threaded connections with different pitch (kN/mm).</div>

Mathematical Problems in Engineering

tab4

Table 4

Table 4: Stiffness Calculation Model of Thread Connection Considering Friction Factors 