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      <title>Machine Zero to Rotary Axis Center</title>
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      <div class="title_topic5" id="xps10_pagetitle">Machine Zero to Rotary Axis Center</div>
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      <p class="para_topic">This option allows you to define where the center of the fourth axis is in relation to your machine zero. The default value for this distance is (0,0,0). This value must be specified for the post processor to map correctly between the MCS programmed in NX and the Machine Tool Coordinate System.</p>
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