Study on Discrete Manufacturing Quality Control Technology Based on Big Data and Pattern Recognition

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Key indicators</td><td class="align_center" colspan="3">Before quality control</td><td class="align_center" colspan="3">After quality control</td></tr><tr class="thead"><td class="align_center">Index requirements/mm</td><td class="align_center"><i>C</i><sub><i>pk</i></sub></td><td class="align_center">Quality level</td><td class="align_center">Index requirements/mm</td><td class="align_center"><i>C</i><sub><i>pk</i></sub></td><td class="align_center">Quality level</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Spiral pattern</td><td class="align_center">0.3–0.5</td><td class="align_center">0.57</td><td class="align_center">3<i>σ</i></td><td class="align_center">0.2–0.4</td><td class="align_center">1.03</td><td class="align_center">4<i>σ</i></td></tr><tr><td class="align_left">Straightness</td><td class="align_center">0.5–1.0</td><td class="align_center">0.62</td><td class="align_center">3<i>σ</i></td><td class="align_center">0.3–0.9</td><td class="align_center">1.07</td><td class="align_center">4<i>σ</i></td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of process capability analysis before and after quality control.</div>

Mathematical Problems in Engineering

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Table 3

Table 3: Study on Discrete Manufacturing Quality Control Technology Based on Big Data and Pattern Recognition 