Analysis and Testing of Load Characteristics for Rotary-Percussive Drilling of Lunar Rock Simulant with a Lunar Regolith Coring Bit

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2017/3012749/figures/3012749.fig.0012a.svgz" name="3012749.fig.0012a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Torque on bit versus drilling depth</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2017/3012749/figures/3012749.fig.0012b.svgz" name="3012749.fig.0012b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Weight on bit versus drilling depth</td></tr></table>

<div>Comparison of the LRCB drilling load before and after percussion applied.</div>

Shock and Vibration

fig12

Figure 12

Figure 12: Analysis and Testing of Load Characteristics for Rotary-Percussive Drilling of Lunar Rock Simulant with a Lunar Regolith Coring Bit 