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      <title>Fifth Axis Parameters</title>
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      <div class="title_topic4" id="xps10_pagetitle">Fifth Axis Parameters</div>
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      <p class="para_topic">The Rotary Axis Configuration dialog allows you to define the Plane of Rotation and Address Leader for both the fourth and fifth axis. You can access this dialog from either the fourth or the fifth axis configuration dialogs. See the  <a class="links" href="javascript:void(0)" onclick="top.openFile('postbuilder/mach_fourth_axis.html');return(false);">Fourth Axis Parameters</a> section for details. 
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      <p class="para_topic">The option Fourth Axis Rotary Center to Fifth Axis Rotary Center allows you to define the distance between the center of the fourth axis to the center of the fifth axis. This 3D distance is usually set to zero. For a dual rotary five-axis machine tool, this vector represents distance between the axis vectors of the fourth axis and the fifth axis. For a dual head five-axis machine tool, this distance is the distance between the pivot points of the fourth and fifth axes. Program this value correctly so the postprocessor can map correctly between the MCS programmed in NX and the Machine Tool Coordinate System. See  <a class="links" href="javascript:void(0)" onclick="top.openFile('postbuilder/appendixa.html');return(false);">Modal Word Groups and mom Variables</a> for a complete description. 
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      <p class="para_topic">For the remainder of the options for the fifth axis parameters, see the descriptions under  <a class="links" href="javascript:void(0)" onclick="top.openFile('postbuilder/mach_fourth_axis.html');return(false);">Fourth Axis Parameters</a>. The parameter descriptions are the same for both the fourth and fifth axes.
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