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      <title>Cut Elbow overview</title>
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      <div class="title_topic5" id="xps10_pagetitle">Cut Elbow overview</div>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingtools/parts_overview.html');return(false);">Parts Overview</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingtools/part_set_level.html');return(false);">How To</a></p>
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               <p class="para_td">Options</p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingtools/parts_quality.html');return(false);">Related Topics</a></p>
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      </table><br><p align="left"><img align="bottom" src="graphics/ico_t_cut_elbow.gif"></p>
      <p class="para_topic">The <b class="uiTerm">Cut Elbow</b> function, provided with the Routing Mechanical application, allows you to fit a standard 90 elbow at a non&ndash;orthogonal corner, by cutting the elbow to fit.
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      <p class="para_topic">Use <b class="uiTerm">Cut Elbow</b> to place a standard elbow part at a corner with an angle greater than 90&deg; and less than 180&deg;. <b class="uiTerm">Cut Elbow</b> requires the selected elbow part to be a member of an elbow part family. The ELBOW_ANG characteristic from the elbow part table must have a value of 90&deg; to make a standard elbow selectable for placement as a cut elbow. The elbow part family seed part needs to be modeled with expressions named <em>elbow_ang</em> and <em>radius</em>. The elbow_ang expression determines the current elbow angle. The radius expression controls the radius of the elbow. Routing uses and modifies the values of these expressions to determine the final cut elbow.
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      <p class="para_topic">When you select the <b class="uiTerm">Cut Elbow</b> button from the Routing Mechanical toolbar, the following options are available:
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               <p class="para_td"><b class="uiTerm">Selected Part</b></p>
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               <p class="para_td">Displays the currently selected standard elbow part. This elbow part will be cut and placed when <b class="uiTerm">OK</b> is pressed.
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               <p class="para_td"><b class="uiTerm">Choose Part</b></p>
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               <p class="para_td">Use the current Part Library type to choose a standard elbow part.</p>
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               <p class="para_td"><b class="uiTerm">List Part Information</b></p>
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               <p class="para_td">Display information about the currently selected elbow part.</p>
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               <p class="para_td"><b class="uiTerm">Required Characteristics</b></p>
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               <p class="para_td">Values for these characteristics MUST be entered before placing the part. The characteristics listed here will depend on the Routing Mechanical application view. This item will not appear on the dialog box, if no required characteristics are specified in the Routing Mechanical application view.</p>
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               <p class="para_td"><b class="uiTerm">Optional Characteristics</b></p>
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               <p class="para_td">Values for these characteristics may be entered before placing the part. The characteristics listed here will depend on the Routing Mechanical application view. This item will not appear on the dialog box, if no optional characteristics are specified in the Routing Mechanical application view.</p>
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               <p class="para_td"><b class="uiTerm">Screen Selection</b></p>
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               <p class="para_td">A previously placed standard elbow may be selected from the graphics screen, and will be used as the elbow to be cut and placed.</p>
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      </table><br><div class="title_division">Choose the standard elbow</div>
      <p class="para_division">Only standard 90 elbows can be cut and placed. You may use one of two methods to choose a standard elbow part:</p>
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            <p class="para_item">Use <b class="uiTerm">Specify Item</b> to find and select the elbow using the part library option defined in the piping application view, or;
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         <li>
            <p class="para_item">Select a previously added standard elbow directly from the graphics window.</p>
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      <div class="title_division">Select the placement routing control point (RCP)</div>
      <p class="para_division">Select a <b class="uiTerm">Routing Control Point</b> using the <b class="uiTerm">Placement RCP</b> dialog box, such that the angle between the segments emanating from the selected RCP is greater than 90&deg; and less than 180&deg; as shown in the figure below. You may repeat this step to place the selected standard elbow at different corners.
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      <p align="center"><img align="bottom" src="graphics/image87.gif"></p>
      <p class="para_division">You can also select a bend RCP to select the corner. In this case the corner angle will be computed using the segments emanating from the bend segment. </p>
      <p align="center"><img align="bottom" src="graphics/image88.gif"></p>
      <div class="title_division">Confirm the placement</div>
      <p class="para_division">The selected elbow will now be cut and displayed at the placement RCP such that the ports are aligned with the corner segments. Use the <b class="uiTerm">Confirm Orientation</b> dialog box to either accept this position to place the cut elbow or move the cut elbow to any desired position using the <b class="uiTerm">Translate/Rotate</b> dialog box. The figure below shows a cut elbow placed at a 115&deg; corner.
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      <p align="center"><img align="bottom" src="graphics/image90.gif"></p>
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               <p class="para_td"><b class="uiTerm">Accept</b></p>
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               <p class="para_td">Accept the current orientation and set the part into the segments and stock. You may also click to indicate <b class="uiTerm">Accept</b>.
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               <p class="para_td"><b class="uiTerm">Accept and Transform</b></p>
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               <p class="para_td">Accept the current orientation and continue to the <b class="uiTerm">Translate/Rotate</b> dialog box. See  <a class="links" href="javascript:void(0)" onclick="top.openFile('routingtools/paths_move.html');return(false);">Move Path</a>.
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      </table><br><div class="title_division">Cut elbows versus standard elbows</div>
      <p class="para_division"><b class="uiTerm">Cut Elbows</b> can be selected, moved, copied and deleted just like standard elbows. <b class="uiTerm">Unify Path</b> will replace cut elbows with standard elbows matching the unification description characteristics and automatically cut them to orient with corner angle.
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