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      <title>Introduction</title>
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      <div class="title_topic1" id="xps10_pagetitle">Introduction</div>
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      <p class="para_topic">NX Aerospace Sheet Metal accelerates designing of the most common type of sheet metal part found in airframes. This application provides a focused environment for designing structural support ribs and various other types of brackets that typically mate with the mold line of an aircraft body. The features provided by Aerospace Sheet Metal permit the user to define flanges that are associated with mold line surfaces and are joggled around other supporting structures. The application also provides the ability to form and unform the flanges using aerospace standards for flat pattern production. For easy and flexible design workflows, flanges may be shaped in formed or unformed states.</p>
      <p class="para_topic">NX Aerospace Sheet Metal provides special features for <b class="uiTerm">Aerospace Flange</b>, <b class="uiTerm">Aerospace Joggle</b>, <b class="uiTerm">Form</b>, and <b class="uiTerm">Reform</b>. It also includes features from Modeling and NX Sheet Metal that are required to completely design airframe ribs. These features include, but are not limited to <b class="uiTerm">Tab</b>, <b class="uiTerm">Normal Cutout</b>, <b class="uiTerm">Flat Solid</b>, <b class="uiTerm">Bead</b>, <b class="uiTerm">Hole</b>, and <b class="uiTerm">Extrude</b>. NX Aerospace Sheet Metal design uses many of the features found in Modeling and NX Sheet Metal. Users should become familiar with Modeling and NX Sheet Metal before using Aerospace Sheet Metal.
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