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KevinOConnor
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<a href="#adaptive-meshes" class="md-nav__link">
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Adaptive Meshes
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Adaptive Meshes
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@@ -1782,9 +1796,29 @@ faulty_region_4_max: 45.0, 210.0
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<p>L'immagine seguente illustra come vengono generati i punti di sostituzione quando un punto generato si trova all'interno di una regione difettosa. Le regioni mostrate corrispondono a quelle nella configurazione di esempio sopra. I punti di sostituzione e le relative coordinate sono identificati in verde.</p>
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<p><img alt="bedmesh_interpolated" src="img/bedmesh_faulty_regions.svg" /></p>
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<h3 id="adaptive-meshes">Adaptive Meshes<a class="headerlink" href="#adaptive-meshes" title="Permanent link">¶</a></h3>
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<p>Adaptive bed meshing is a way to speed up the bed mesh generation by only probing the area of the bed used by the objects being printed. When used, the method will automatically adjust the mesh parameters based on the area occupied by the defined print objects.</p>
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<p>The adapted mesh area will be computed from the area defined by the boundaries of all the defined print objects so it covers every object, including any margins defined in the configuration. After the area is computed, the number of probe points will be scaled down based on the ratio of the default mesh area and the adapted mesh area. To illustrate this consider the following example:</p>
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<p>For a 150mmx150mm bed with <code>mesh_min</code> set to <code>25,25</code> and <code>mesh_max</code> set to <code>125,125</code>, the default mesh area is a 100mmx100mm square. An adapted mesh area of <code>50,50</code> means a ratio of <code>0.5x0.5</code> between the adapted area and default mesh area.</p>
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<p>If the <code>bed_mesh</code> configuration specified <code>probe_count</code> as <code>7x7</code>, the adapted bed mesh will use 4x4 probe points (7 * 0.5 rounded up).</p>
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<p><img alt="adaptive_bedmesh" src="img/adaptive_bed_mesh.svg" /></p>
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<div class="highlight"><pre><span></span><code>[bed_mesh]
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speed: 120
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horizontal_move_z: 5
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mesh_min: 35, 6
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mesh_max: 240, 198
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probe_count: 5, 3
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adaptive_margin: 5
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</code></pre></div>
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<ul>
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<li><code>adaptive_margin</code> <em>Default Value: 0</em> Margin (in mm) to add around the area of the bed used by the defined objects. The diagram below shows the adapted bed mesh area with an <code>adaptive_margin</code> of 5mm. The adapted mesh area (area in green) is computed as the used bed area (area in blue) plus the defined margin.<img alt="adaptive_bedmesh_margin" src="img/adaptive_bed_mesh_margin.svg" /></li>
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<p>By nature, adaptive bed meshes use the objects defined by the Gcode file being printed. Therefore, it is expected that each Gcode file will generate a mesh that probes a different area of the print bed. Therefore, adapted bed meshes should not be re-used. The expectation is that a new mesh will be generated for each print if adaptive meshing is used.</p>
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<p>It is also important to consider that adaptive bed meshing is best used on machines that can normally probe the entire bed and achieve a maximum variance less than or equal to 1 layer height. Machines with mechanical issues that a full bed mesh normally compensates for may have undesirable results when attempting print moves <strong>outside</strong> of the probed area. If a full bed mesh has a variance greater than 1 layer height, caution must be taken when using adaptive bed meshes and attempting print moves outside of the meshed area.</p>
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<h2 id="gcodes-della-mesh-del-piatto">GCodes della mesh del piatto<a class="headerlink" href="#gcodes-della-mesh-del-piatto" title="Permanent link">¶</a></h2>
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<h3 id="calibrazione">Calibrazione<a class="headerlink" href="#calibrazione" title="Permanent link">¶</a></h3>
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<p><code>BED_MESH_CALIBRATE PROFILE=<nome> METHOD=[manuale | automatico] [<parametro_sonda>=<valore>] [<mesh_parameter>=<valore>]</code> <em>Profilo predefinito: default</em> <em>Metodo predefinito: automatico se viene rilevata una sonda, altrimenti manuale</em></p>
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<p><code>BED_MESH_CALIBRATE PROFILE=<name> METHOD=[manual | automatic] [<probe_parameter>=<value>] [<mesh_parameter>=<value>] [ADAPTIVE=[0|1] [ADAPTIVE_MARGIN=<value>]</code> <em>Default Profile: default</em> <em>Default Method: automatic if a probe is detected, otherwise manual</em> <em>Default Adaptive: 0</em> <em>Default Adaptive Margin: 0</em></p>
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<p>Avvia la procedura di sondaggio per la calibrazione della mesh del piatto.</p>
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<p>La mesh verrà salvata in un profilo specificato dal parametro <code>PROFILE</code>, o <code>default</code> se non specificato. Se viene selezionato <code>METHOD=manual</code>, si verificherà il rilevamento manuale. Quando si passa dal probing automatico a quello manuale, i punti mesh generati verranno regolati automaticamente.</p>
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<p>È possibile specificare parametri mesh per modificare l'area sondata. Sono disponibili i seguenti parametri:</p>
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<li>Tutti i piatti:<ul>
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<li><code>ALGORITHM</code></li>
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<li><code>ADAPTIVE</code></li>
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<li><code>ADAPTIVE_MARGIN</code></li>
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</ul>
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<p><code>BED_MESH_CLEAR</code></p>
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<p>Questo gcode può essere utilizzato per cancellare lo stato della mesh interna.</p>
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<h3 id="applicare-gli-offset-xy">Applicare gli offset X/Y<a class="headerlink" href="#applicare-gli-offset-xy" title="Permanent link">¶</a></h3>
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<p><code>BED_MESH_OFFSET [X=<value>] [Y=<value>]</code></p>
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<p>Ciò è utile per le stampanti con più estrusori indipendenti, poiché è necessario un offset per produrre la corretta regolazione Z dopo un cambio utensile. Gli offset devono essere specificati rispetto all'estrusore primario. Vale a dire, è necessario specificare un offset X positivo se l'estrusore secondario è montato a destra dell'estrusore primario e un offset Y positivo se l'estrusore secondario è montato "dietro" l'estrusore primario.</p>
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<p><code>BED_MESH_OFFSET [X=<value>] [Y=<value>] [ZFADE=<value>]</code></p>
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<p>This is useful for printers with multiple independent extruders, as an offset is necessary to produce correct Z adjustment after a tool change. Offsets should be specified relative to the primary extruder. That is, a positive X offset should be specified if the secondary extruder is mounted to the right of the primary extruder, a positive Y offset should be specified if the secondary extruder is mounted "behind" the primary extruder, and a positive ZFADE offset should be specified if the secondary extruder's nozzle is above the primary extruder's.</p>
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<p>Note that a ZFADE offset does <em>NOT</em> directly apply additional adjustment. It is intended to compensate for a <code>gcode offset</code> when <a href="#mesh-fade">mesh fade</a> is enabled. For example, if a secondary extruder is higher than the primary and needs a negative gcode offset, ie: <code>SET_GCODE_OFFSET Z=-.2</code>, it can be accounted for in <code>bed_mesh</code> with <code>BED_MESH_OFFSET ZFADE=.2</code>.</p>
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</article>
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