Impact System Dynamic Characteristics of Hydraulic Rock Drill Based on an Overlapped Reversing Valve

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Number</td><td class="align_center">Opening form</td><td class="align_center">Opening quantity (mm)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">Underlapped</td><td class="align_center">0.6</td></tr><tr><td class="align_left">2</td><td class="align_center">Zero</td><td class="align_center">0</td></tr><tr><td class="align_left">3</td><td class="align_center">Overlapped</td><td class="align_center">−0.6</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

tab2

Table 2

Table 2: Impact System Dynamic Characteristics of Hydraulic Rock Drill Based on an Overlapped Reversing Valve 