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      <title>Defining Patch Surfaces</title>
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      <div class="title_topic3" id="xps10_pagetitle">Defining Patch Surfaces</div>
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      <p class="para_topic">Each of the two internal openings must have a shut-off or patch sheet to define the boundary between cavity steel and core steel. </p>
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         <p class="para_action1"><img src="../graphics/actarrow.gif">Choose the <b class="uiTerm">Create/Delete Patch Surfaces</b> button <img align="bottom" src="../graphic_library/icons/dialogs/wizards/parting_manager/create_delete_patch_surfaces.gif" border="0"> from the Parting Manger dialog box.
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            <td valign="top" align="left"><img align="left" src="../graphics/note.gif" alt="Note" title="Note"></td>
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                  <p class="para_note_body">You may have to open the dialog box by clicking its title bar on the <b class="uiTerm">Dialog Rail</b>.
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      <p class="para_topic">The Patch Loops Selection dialog box appears.</p>
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         <p class="para_action1"><img src="../graphics/actarrow.gif">Verify that the Loop search method is <b class="uiTerm">Region</b>.
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         <p class="para_action1"><img src="../graphics/actarrow.gif">Verify that Display loop type is <b class="uiTerm">Internal Loop Edges</b></p>
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      <p class="para_topic">The two elongated openings in the bottom of the tray are highlighted at the cavity side.</p>
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         <p class="para_action1"><img src="../graphics/actarrow.gif">Choose <b class="uiTerm">Auto Patch</b>.
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                  <p class="para_note_body">Auto Patch utilizes some of the functionality from the Mold Tools toolbar. The more complex the shut-off becomes, the more that these tools will be required. To learn more about the <a class="links" href="javascript:void(0)" onclick="top.popUpPage('moldwizard/index.html?goto=moldwizard/tools_oview.html&amp;vars=-aux,-home','link','menubar=yes,status=yes,resizable=yes,toolbar=yes,scrollbars=yes,location=no,directories=no');return(false);">Mold Tools</a> functions, see the Online Help.
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         <p class="para_action1"><img src="../graphics/actarrow.gif">Rotate the part and review the newly created patch sheets.
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      <p align="center"><img align="bottom" src="graphics/intro/parting_patches_1.gif"></p>
      <p class="para_topic">Two patch sheets can be seen on the graphics screen. Corresponding features appear in the Part Navigator.</p>
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         <p class="para_action1"><img src="../graphics/actarrow.gif">Choose <b class="uiTerm">Back</b> to close the dialog box.
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      <p class="para_topic">Parting preparations are complete.</p>
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