Gray Relational Optimization of the Surface Performance of Splines Formed by Cold Roll-Beating

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/mpe/volume-2018/4346015/figures/4346015.fig.007a.svgz" name="4346015.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The fourth group test</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/mpe/volume-2018/4346015/figures/4346015.fig.007b.svgz" name="4346015.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The twelfth group test</td></tr></table>

<div>Image of the cold roll-beating spline’s surface quality.</div>

Mathematical Problems in Engineering

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Figure 7

Figure 7: Gray Relational Optimization of the Surface Performance of Splines Formed by Cold Roll-Beating 