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      <title>What is the MCS</title>
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      <div class="title_topic4" id="xps10_pagetitle">What is the MCS</div>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('mfggeneral/parent_geom_mcs_over.html');return(false);">Overview</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('mfggeneral/07topic_9.html');return(false);">How To</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('mfggeneral/parent_group_mcs.html');return(false);">Options</a></p>
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      </table><br><p class="para_topic">The Machine Coordinate System is the base location for all subsequent tool path output points. If you move the MCS, you re-establish the base location for the subsequent tool path output points. You may find the MCS useful for the following:</p>
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            <p class="para_item">Outputting the tool path in relation to the machine home position or any other frequently used setup location.</p>
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            <p class="para_item">Reorienting the machine tool axes to the work piece when the part size requires it.</p>
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            <p class="para_item">Machining large parts which need to be shifted after succeeding tool paths.</p>
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            <p class="para_item">Setting up on parts which no longer have a reference point (such as a tooling hole which has been machined away or a part cut from another part).</p>
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            <p class="para_item">Reestablishing setup position and orientation after rotary table movement and after compound axis movement.</p>
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            <p class="para_item">Maintaining critical dimensions otherwise lost to warpage or tolerance buildup and establishing basic and true positions.</p>
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      <p class="para_topic">Initially, the MCS position is matched to the Absolute Coordinate System. The position of the MCS is saved in the part file.</p>
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