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      <title>Output Die Curves</title>
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      <div class="title_topic1" id="xps10_pagetitle"><img align="bottom" src="graphics/ico_t_output_die_curves.gif" border="0">&nbsp;Output Die Curves
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      <p class="para_topic">This function allows you to output a variety of curves useful in the development of a die. These curves include but are not limited to the punch opening line, addendum/binder tangency, and edge of blank.</p>
      <p class="para_topic">To use this option you must first create a DIE_ADD_SECTION feature and supply one of the section curves from this feature as input. The system then displays key points of interest along that section. You can select any of these points to indicate that a curve is to be created through this key point on all of the sections. </p>
      <p class="para_topic">A &quot;T&quot; is displayed at the location of the trim point in the section curve. &nbsp;A &quot;C&quot; is displayed at the location of the corrected trim point (based on geometrical and metal forming calculations) in the section curve. Selecting either of these points for creation of the trim line produces two curves: the curve located at the geometric trim point and the curve corrected for metal formability. &nbsp;</p>
      <p class="para_topic">You can also specify limit points to control the length of the curve, and an offset value that causes the curve to be offset in a direction perpendicular to the punch direction.</p>
      <p class="para_topic">The curves created here are &quot;dumb&quot; curves that have no associative relationship to any of the section curves from which they are derived. This means that the curves do not update when changes to other die engineering features are made.</p>
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            <th bgcolor="#c0c0c0" colspan="2" rowspan="1" valign="top"><a name="options_die_out_diecrves_dialog_options"></a><p class="para_th">Output Die Curves Dialog Options</p>
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               <p class="para_td">Selection Steps</p>
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               <p class="para_td"> <img align="bottom" src="graphics/out_diecrves_ssteps_ico.gif" border="0">  
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               <p class="para_td">Die Addendum Section - Allows you to select one curve from a DIE_ADD_SECTION feature. &quot;X&quot; point indicates generation of the trim curve in the laid out flange position.</p>
               <p class="para_td">Limit Points - Lets you limit the length of the curve created. Otherwise a closed curve is created. You must always select points that lay on the addendum tangency curve.</p>
               <p class="para_td">Point - Lets you indicate the key point through which a curve is to be created. When this step is chosen, all data except the section selected in the first step is blanked and the section is displayed in its true view. Key points (first and last points of each segment, the theoretical intersection of each straight segment, and the trim point) are displayed on the curve.</p>
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               <p class="para_td">Filter</p>
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               <p class="para_td">Aids in object selection. The Die Addendum Section selection step allows you to select only curves representing the DIE_ADD_SECTION feature. The Limit Points selection step only allows you to select points on the addendum tangency curve. The Point selection step only allows key points displayed on the section to be selected.</p>
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               <p class="para_td">Reverse</p>
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               <p class="para_td">Lets you reverse the area between the limit points in which the curve is built.</p>
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               <p class="para_td">Insert Point</p>
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               <p class="para_td">Lets you insert a point on the addendum tangency curve as a limit point.</p>
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               <p class="para_td">Offset</p>
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               <p class="para_td">Lets you indicate the amount of offset to be applied to the output curve. The direction of offset is perpendicular to the punch direction in the plane of the section. Positive offset values cause the curve to be offset toward the center of the part. A temporary point is displayed to indicate this direction. A slider bar is also available to dynamically adjust the offset distance.</p>
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               <p class="para_td">Confirm Upon Apply</p>
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               <p class="para_td">Lets you preview the results and accept, reject or analyze them. This option is common to Selection Steps dialogs. Please see the Modeling Help for details.</p>
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      </table><br><div class="title_division">Basic Procedure</div>
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            <p class="para_item">Use the Die Addendum Section selection step to select a curve from a DIE_ADD_SECTION feature to be used as the &quot;template&quot; to indicate which die curves to output.</p>
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            <p class="para_item">Use the Limit Points selection step to select points along the addendum tangency curve that controls the length of the die curve created. Use the Snap Point tool, if necessary to specify the point. If you select no limit points, a closed curve is created. This step is optional.</p>
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            <p class="para_item">Use the Point selection step to indicate the location of the die curve to be created. Use the Snap Point tool, if necessary to specify the point. </p>
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            <p class="para_item">Provide an Offset value if you would like to offset the die curve.</p>
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            <p class="para_item">Choose OK or Apply to create the die curve. The dialog remains active so that you can change the offset value or select another point to create additional die curves. An undo mark called &quot;DIE_CURVE&quot; is created after each OK/Apply.</p>
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