Modeling and Distribution Laws of Drilling Force for Staggered Teeth BTA Deep Hole Drill

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/3691468/figures/3691468.fig.004a.svgz" name="3691468.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Thrust</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/3691468/figures/3691468.fig.004b.svgz" name="3691468.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Torque</td></tr></table>

<div>The thrust and torque during the drill entrance (I, central and intermediate tooth cutting, II, external tooth cutting, and III, guide pads burnishing).</div>

Mathematical Problems in Engineering

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Figure 4

Figure 4: Modeling and Distribution Laws of Drilling Force for Staggered Teeth BTA Deep Hole Drill 