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      <title>Engage page</title>
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      <div class="title_topic3" id="xps10_pagetitle">Engage page</div>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('mfgmilling/noncut_moves_ov.html');return(false);">Overview</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('mfgmilling/ncm_list_opt.html');return(false);">Options</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('mfgmilling/ncm_list_rt.html');return(false);">Related Topics</a></p>
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                  <p class="para_td"><b class="uiTerm">Open Area</b> group
                  </p>
                  <p class="para_td"></p>
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                  <p class="para_td"><b class="uiTerm">Engage Type</b></p>
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                  <ul>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear</b></p>
                        <p align="center"><img align="bottom" src="graphics/linr_mvmnt.gif"></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear &ndash; Along Vector</b><img align="bottom" src="graphics/def_orient_vec.gif" border="0"></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear &ndash; Normal to Part</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Parallel to Tool Axis</b> creates an arc move in the plane defined by the engage or retract vector and the tool axis.
                        </p>
                        <p class="para_item">The arc end may not necessarily be tangent to the Cut Vector.</p>
                        <div class="figure">
                           <p align="center"><img align="bottom" src="graphics/arc_parall_toolax.gif"></p>
                        </div>
                        <div class="title_figure">Arc: Parallel Tool Axis</div>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Normal to Tool Axis</b> creates an arc move in the plane normal to the tool axis.
                        </p>
                        <p class="para_item">The arc end is perpendicular to the tool axis but not necessarily tangent to the cut vector. This movement type outputs a G02/G03 record in the machine file.</p>
                        <div class="figure">
                           <p align="center"><img align="bottom" src="graphics/arc_norm_toolax.gif"></p>
                        </div>
                        <div class="title_figure">Arc: Normal Tool Axis</div>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Tangent to Approach</b> creates an arc move in the plane defined by the cut vector and the tangent vector at the end of the approach move.
                        </p>
                        <p class="para_item">The arc move is tangent to both the cut vector and the approach move.</p>
                        <div class="figure">
                           <p align="center"><img align="bottom" src="graphics/arc_tangappr.gif"></p>
                           <p align="center"><img align="bottom" src="graphics/appr_cutvector.gif"></p>
                        </div>
                        <div class="title_figure">Arc: Tangent to Approach</div>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Normal to Part</b></p>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Normal to Part</b>uses the Engage or Retract Vector and the Cut Vector to define a plane containing the arc tool move. The Arc end is always tangent to the Cut Vector.
                        </p>
                        <div class="figure">
                           <p align="center"><img align="bottom" src="graphics/arc_parallelcut.gif"></p>
                        </div>
                        <div class="title_figure">Arc &ndash; Normal to Part</div>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Helical Clockwise</b> <b class="uiTerm">Helical Counter Clockwise</b></p>
                        <p class="para_item">Create an engage that ramps in a circular fashion about a fixed axis downward into the material. The center line of the helix is always parallel to the tool axis. This option is best used with cut patterns such as Follow Pocket or Concentric Arcs that allow enough material around the engage axis to avoid gouging boundary walls or check surfaces. If the part geometry is provided, then Helical uses <b class="uiTerm">Climb Conventional</b> as shown below. If part geometry is not provided, then Helical uses <b class="uiTerm">Clockwise</b> or <b class="uiTerm">Counterclockwise</b> as specified on this dialog box.
                        </p>
                        <div class="figure">
                           <p align="center"><img align="bottom" src="graphics/hel_convfolpock.gif"></p>
                        </div>
                        <div class="title_figure">Helical: Conventional Used with Follow Pocket Cut Pattern</div>
                        <p class="para_item"><b class="uiTerm">Ramp Angle</b> specifies the steepness for <b class="uiTerm">Helical</b> engages. The software may slightly reduce the specified <b class="uiTerm">Ramp Angle</b> to create full helical revolutions. The angle is referenced from a plane normal to the center line of the helix.
                        </p>
                        <div class="figure">
                           <p align="center"><img align="bottom" src="graphics/25degmaxrampang.gif"></p>
                        </div>
                        <div class="title_figure">Twenty-Five Degree Maximum Ramp Angle</div>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Plunge</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">None</b></p>
                     </li>
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                  <p class="para_td"><b class="uiTerm">Against Part/Check</b> specifies engage/retract moves at check geometry.
                  </p>
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                  <p class="para_td"><b class="uiTerm">Against Part/Check</b> is applied at engage or retract points when they can not be extended tangentially without a gouge or collision.
                  </p>
                  <p class="para_td"><img align="bottom" src="graphics/ncm_sc_wall_check.gif" border="0"></p>
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                  <p class="para_td"><b class="uiTerm">Engage Type</b></p>
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               <td bgcolor="#F0F0F0" colspan="1" rowspan="1">
                  <ul>
                     <li>
                        <p class="para_item"><b class="uiTerm">Same as Open Area</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear &ndash; Along Vector</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear &ndash; Normal to Part</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Plunge</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">None</b></p>
                     </li>
                  </ul>
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                  <p class="para_td"><b class="uiTerm">Initial</b> group specifies parameters for the first engage move that precedes the cutting moves.
                  </p>
                  <p class="para_td">Initial allows you to </p>
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            <tr>
               <td bgcolor="#F0F0F0" colspan="1" rowspan="1">
                  <p class="para_td"><b class="uiTerm">Engage Type</b></p>
               </td>
               <td bgcolor="#F0F0F0" colspan="1" rowspan="1">
                  <ul>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear &ndash; Along Vector</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Linear &ndash; Normal to Part</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Parallel to Tool Axis</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Normal to Tool Axis</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Tangent to Approach</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Arc &ndash; Normal to Part</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Helical</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">Plunge</b></p>
                     </li>
                     <li>
                        <p class="para_item"><b class="uiTerm">None</b></p>
                     </li>
                  </ul>
               </td>
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         </tbody>
      </table><br><a class="endOfDocLinks" href="ncm_sc_arc_moves.html">Arc moves</a><br></body>
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