Numerical Analysis of a Small Pneumatic Hammer Performance Based on Evaluation Method of Friction Force

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Inlet pressure (bar)</td><td class="align_center">4</td><td class="align_center">5</td><td class="align_center">6</td><td class="align_center">7</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left"><svg height="15.9799pt" id="M80" style="vertical-align:-3.4294pt" version="1.1" viewbox="-0.0498162 -12.5505 8.47692 15.9799" width="8.47692pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><rect height="0.65243" width="8.37729" x="0" y="-11.8482"></rect><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M619 670C619 686 593 712 555 712S459 686 410 634S335 504 320 430H250L219 400L222 388H312L258 73C223 -133 201 -166 187 -180C175 -191 158 -199 140 -199C123 -199 88 -188 74 -172C68 -166 63 -164 54 -171C38 -185 23 -201 23 -215C23 -236 60 -261 93 -261C122 -261 161 -247 207 -200C268 -138 300 -71 337 94C365 220 376 277 394 387L501 399L521 430H401C432 623 464 665 501 665C524 665 544 651 567 627C577 617 583 618 592 625C601 631 619 651 619 670Z"></path></g></svg> (N)</td><td class="align_center">10.27</td><td class="align_center">12.51</td><td class="align_center">14.56</td><td class="align_center">16.73</td></tr><tr><td class="align_left">Relative error, %</td><td class="align_center">1.07</td><td class="align_center">1.15</td><td class="align_center">1.12</td><td class="align_center">1.05</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mean friction force at different inlet pressure.</div>

Shock and Vibration

tab2

Table 2

Table 2: Numerical Analysis of a Small Pneumatic Hammer Performance Based on Evaluation Method of Friction Force 