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      <title>Unbend/Rebend overview</title>
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      <div class="title_topic3" id="xps10_pagetitle">Unbend/Rebend overview</div>
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               <p class="para_td">Unbend/Rebend</p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/unbend_dialog.html');return(false);">Options</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/build_multi_parts.html');return(false);">Related Topics</a></p>
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      <p class="para_topic">Use the <b class="uiTerm">Unbend/Rebend</b> feature to unform, unform to an angle, or reform cylindrical bend regions. &nbsp;The bend regions can be constructed from straight brake Sheet Metal features such as flanges and bends as well as non&ndash;Sheet Metal features such as sketches and extrusions.
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      <p class="para_topic">Parent self&ndash;forming features will convert into non&ndash;self&ndash;forming features when the <b class="uiTerm">Unbend/Rebend</b> operators are used.
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      <p class="para_topic">You can access the <b class="uiTerm">Unbend/Rebend</b> dialog box from <b class="uiTerm">Modeling&rarr;Insert&rarr;Sheet Metal Feature&rarr;Unbend/Rebend</b> or from the <b class="uiTerm">Sheet Metal Feature</b> . To edit a <b class="uiTerm">Unbend/Rebend</b> operator, use <b class="uiTerm">Modeling&rarr;Edit&rarr;Feature</b> or the <b class="uiTerm">Edit Feature</b>.
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      <p class="para_topic">For suggestions using <b class="uiTerm">Unbend/Rebend</b> see  <a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/appendix_when_to_bend.html');return(false);">When to Use Unbend/Rebend</a>.
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      <div class="title_division">Terminology</div>
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               <p class="para_td">Bend Edge</p>
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               <p class="para_td">A linear edge which defines the stationary side of a bend region.</p>
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               <p class="para_td">Bend Face</p>
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               <p class="para_td">A cylindrical face which is adjacent to the end edge. &nbsp;The bending parameters (e.g. bend angle, bend radius, etc.) derive from the bend face.</p>
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               <p class="para_td">Bend Region</p>
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               <p class="para_td">The collection of faces to unbend or rebend.</p>
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               <p class="para_td">Unbend</p>
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               <p class="para_td">Setting the bend region to the shape it has before any bending or forming has been done to it. &nbsp;For example, the straight brake flange is flat before it is formed.</p>
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               <p class="para_td">Rebend</p>
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               <p class="para_td">Returning the bend region to its final, designed shape. &nbsp;For example, a straight brake flange is usually bent into its formed state.</p>
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               <p class="para_td">Self&ndash;forming Feature</p>
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               <p class="para_td">This is a Sheet Metal feature that forms and unforms its own geometry by changing its state.</p>
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      </table><br><div class="title_division">Procedure</div>
      <p class="para_division">To create an <b class="uiTerm">Unbend/Rebend</b> operation, perform the following steps:
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            <p class="para_item">Select the bend operation: The bend operation can be set to <b class="uiTerm">Unbend</b> (to unform a region), <b class="uiTerm">Rebend</b> (to reform a region to its original shape), or <b class="uiTerm">Unbend&ndash;to&ndash;Angle</b> (to unform a region to a new angle).
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            <p class="para_item">Specify a new bend angle (for <b class="uiTerm">Unbend&ndash;to&ndash;Angle</b> operation).
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            <p class="para_item">Select the bend region to operate on. &nbsp;This can be done by selecting a bend edge adjacent to a cylindrical face or by selecting an existing <b class="uiTerm">Unbend/Rebend</b> operation in the model.
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