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      <title>Center Drill Operation</title>
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      <div class="title_topic3" id="xps10_pagetitle">Center Drill Operation</div>
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      <p class="para_topic">This operation will center drill the holes. Because this operation is identical to the existing drill operation (except for the drill size), you can simply copy and paste the existing operation inside a different tool group in the Operation Navigator and then change the operation name.</p>
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            <p class="para_item">Create a center drill tool or retrieve one from the Tool Library.</p>
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            <p class="para_item">In the Machine Tool view of the Operation Navigator, highlight the DRILLING operation (do not double-click or you will open the operation).</p>
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            <p class="para_item">Using the third mouse button (MB3), choose Copy. <img align="bottom" src="graphics/ont_examplefi41.gif" border="0"></p>
            <p class="para_item">In this next step, you will paste the operation inside of the center drill tool group.</p>
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            <p class="para_item">Highlight the tool ugti0322_001 and choose MB3, Paste Inside. In this one step, you have both duplicated the operation and changed the inherited tool. Notice that the copied operation is preceded by a symbol indicating that the tool path is out of date. The tool path at some time will need to be generated for this operation. <img align="bottom" src="graphics/ont_examplefi40.gif" border="0"></p>
            <p class="para_item">In this next step, you will rename the operation.</p>
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            <p class="para_item">With the copied operation highlighted as illustrated below, click once on the operation name (DRILLING_COPY).</p>
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            <p class="para_item">Key in the name: CENTER_DRILL. <img align="bottom" src="graphics/ont_examplefi39.gif" border="0"></p>
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