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fix SoftNcRunner GM code normalization.

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iamboss
2026-05-16 18:08:13 +08:00
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App/wwwroot/HiAPI-docsite/manual/analysis/nc-optimization-principles.html
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@@ -119,6 +119,41 @@ however, for non-re-interpolatable regions, although acceleration/deceleration l
<h2 id="tool-breakage-solutions">Tool Breakage Solutions</h2>
<p>Modify the toolpath to reduce cutting width/depth, or use HiNC's optimization feature to adjust feed rates, bringing the <strong>yielding stress ratio</strong>, <strong>max spindle torque ratio</strong>, and <strong>max spindle power ratio</strong> below 100%.</p>
<p>For detailed descriptions of these indicators and tool breakage criteria, refer to &quot;<a href="machinability.html">Evaluating Process Machinability</a>&quot;.</p>
<h2 id="tuning-peak-tolerance">Tuning Peak Tolerance</h2>
<p>Optimization defaults treat the 100 % line on every ratio as a hard ceiling. In practice some metrics tolerate routine excursions and others don't. The per-metric <code>Opt*UtilizationFactor</code> levers let the optimizer accept higher peaks where physically safe.</p>
<table>
<thead>
<tr>
<th>Metric</th>
<th>Factor (API)</th>
<th>When to raise</th>
</tr>
</thead>
<tbody>
<tr>
<td>Yielding stress</td>
<td><a class="xref" href="../../api/Hi.MachiningProcs.SessionShell.html#Hi_MachiningProcs_SessionShell_OptYieldingUtilizationFactor">OptYieldingUtilizationFactor</a></td>
<td><strong>Per-instant.</strong> Safe to raise. If 150 % is routinely tolerated without breakage, set <code>1.5</code>. Controller corner smoothing and spindle inertia absorb a single-revolution overshoot.</td>
</tr>
<tr>
<td>Spindle torque</td>
<td><a class="xref" href="../../api/Hi.MachiningProcs.SessionShell.html#Hi_MachiningProcs_SessionShell_OptSpindleTorqueUtilizationFactor">OptSpindleTorqueUtilizationFactor</a></td>
<td><strong>Cumulative.</strong> Keep at 1. Sustained excursions stall the spindle: feed continues, rpm drops, feed-per-tooth grows, forces spike further.</td>
</tr>
<tr>
<td>Spindle power</td>
<td><a class="xref" href="../../api/Hi.MachiningProcs.SessionShell.html#Hi_MachiningProcs_SessionShell_OptSpindlePowerUtilizationFactor">OptSpindlePowerUtilizationFactor</a></td>
<td><strong>Cumulative.</strong> Keep at 1. Same reason as torque.</td>
</tr>
<tr>
<td>Thermal yield</td>
<td><a class="xref" href="../../api/Hi.MachiningProcs.SessionShell.html#Hi_MachiningProcs_SessionShell_OptThermalYieldUtilizationFactor">OptThermalYieldUtilizationFactor</a></td>
<td><strong>Long-term.</strong> Can be raised modestly if the calibrated tool material is more thermally tolerant than the conservative defaults — see <a href="machinability.html#thermal-plastic-deformation-of-cutting-edge">Thermal Plastic Deformation of Cutting Edge</a>.</td>
</tr>
</tbody>
</table>
<p>Rule of thumb: relax per-instant per-step metrics based on observed stable extremes; never relax cumulative metrics.</p>
<p>For a complementary feed-rate floor lever — useful when the NC cannot be modified to remove single-revolution peaks — see <a class="xref" href="../../api/Hi.NcOpt.NcOptOption.html#Hi_NcOpt_NcOptOption_MinFeedPerTooth_mm">MinFeedPerTooth_mm</a> (API) and <a href="cam-floating-point-drift.html#when-the-nc-cannot-be-modified">When the NC Cannot Be Modified</a>.</p>
<h2 id="thermal-edge-chipping-solutions">Thermal Edge Chipping Solutions</h2>
<p>After addressing tool breakage issues, reduce the spindle speed to allow sufficient time for the cutting edge to dissipate heat.</p>
<p>Note that whether the coolant is properly directed at the cutting edge has a significant impact.</p>