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Update filament_flow.html

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Some few changes
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neophrema 2020-06-14 21:00:33 +02:00 committed by supermerill
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resources/calibration/filament_flow/filament_flow.html
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<body> <body>
<h1>Filament Flow Calibration</h1> <h1>Filament Flow Calibration</h1>
<p><strong>You need to do the bed level calibration before this one.</strong></p> <p><strong>You need to do the bed level calibration before this one.</strong></p>
<p>This test will print five tests samples with various level of flow. You can choose the flow difference between each steps. You should start with the 10% one. <p>This test will print five test samples with various level of flow. You can choose the flow difference between each steps. You should start with the 10% one.
After verifying the result with the help of the table below, you have to modify the filament extrusion multiplier in your filament preset (if the -20 is the best, change the multiplier from 1 to 0.8, see the formula below). Don't forget to save it afterwards! You can continue with the 2.5 step if you want a bit more precision.</p> After verifying the result with the help of the table below, you have to modify the filament extrusion multiplier in your filament preset (if the -20 is the best, change the multiplier from 1 to 0.8, see the formula below). Don't forget to save it afterwards! You can continue with the 2.5 step if you want a bit more precision.</p>
<h2>Results</h2> <h2>Results</h2>
<h4>Example:</h4> <h4>Example:</h4>
@ -28,8 +28,8 @@ After verifying the result with the help of the table below, you have to modify
<td style="text-align: center;">Flat surface<br />and good circle</td> <td style="text-align: center;">Flat surface<br />and good circle</td>
</tr> </tr>
</table> </table>
<p>The flow you want to choose is the lowest that does not create gaps in the top surface. Here it seems that the good flow is below +20. So you have to change your extrusion multiplier to 1.2 and print the second set of test (or put 1.15 and call it a day).</p> <p>The flow you want to choose is the lowest that does not create gaps in the top surface. In this example it seems that the good flow is below +20. So you have to change your extrusion multiplier to 1.2 and print the second set of test (or put 1.15 and call it a day).</p>
<p>Don't look at the surface quality of the letter, it should be only good at the 0, as it's for this flow we calibrated the bed height. Here, going with +20% flow, i should lower the bed a bit (redoing the bed level calibration).</p> <p>Don't look at the surface quality of the letter, it should be only good at the 0, as it's for this flow we calibrated the bed height. Here, going with +20% flow, you should lower the bed a bit (redoing the bed level calibration).</p>
<h4>Second step, starting from +20%:</h4> <h4>Second step, starting from +20%:</h4>
<table> <table>
<tbody> <tbody>
@ -62,17 +62,17 @@ second step i choose +5, so i have ((100+5)/100) * 0.9 = (1.05) * 0.9 = 0.945
<li>Put the filament through it (by hand or using the software control)</li> <li>Put the filament through it (by hand or using the software control)</li>
<li>Cut the filament flush with the output of the extruder. Measure with your spring-steel ruler that you measure just 0mm. If not, note the value and don't forget to remove it from every other measure you do.</li> <li>Cut the filament flush with the output of the extruder. Measure with your spring-steel ruler that you measure just 0mm. If not, note the value and don't forget to remove it from every other measure you do.</li>
<li>Ask your extruder to extrude 200mm of filament (gcode: G1 E200).</li> <li>Ask your extruder to extrude 200mm of filament (gcode: G1 E200).</li>
<li>Measure the length o the extruded filament. Repeat this process two times more if you want to be more precise.</li> <li>Measure the length of the extruded filament. Repeat this process two times more if you want more precision.</li>
<li>You have to change your extruder multiplier (estep, step_distance) by multiplying (or dividing, depending on your firmware) the current value by (200 / average_measured_value).</li> <li>You have to change your extruder multiplier (estep, step_distance) by multiplying (or dividing, depending on your firmware) the current value by (200 / average_measured_value).</li>
<p>Note that this value may change if you change the pressure the extruder exerts against the filament.</p> <p>Note that this value may change if you change the pressure the extruder exerts against the filament.</p>
</ul> </ul>
<h2>Notes</h2> <h2>Notes</h2>
<p>It's very difficult to tune the flow below the 2% mark, and no filament is consistent enough to warrant it anyway. Filament's that have a guarantee of +-0.03mm has a ~7% variation between the low and high end cross section.</p> <p>It's very difficult to tune the flow below the 2% mark, and no filament is consistent enough to warrant it anyway. Filament's that have a guarantee of +-0.03mm has a ~7% variation between the low and high end cross section.</p>
<p>Most of the calibrations need to done is the right order. This one should be the second.</p> <p>Most of the calibrations need to be done in the right order. This one should be the second.</p>
<p>You may want to re-do the bed level calibration if the result is below 0.9 or higher than 1.1.</p> <p>You may want to re-do the bed level calibration if the result is below 0.9 or higher than 1.1.</p>
<p>Note that the filament extrusion multiplier can change with a different filament material, as a softer one can be squished/dented more by the extruder and so have a lower diameter in the extruder gears.</p> <p>Note that the filament extrusion multiplier can change with a different filament material, as a softer one can be squished/dented more by the extruder and so have a lower diameter in the extruder gears.</p>
<p>If your printer extruder eats the filament and can't complete the top layer, you will have to increase the ironing distribution (by 5% increments). (Expert setting, print -> infill)</p> <p>If your printer extruder 'eats' the filament and can't complete the top layer, you will have to increase the ironing distribution (by 5% increments). (Expert setting, print -> infill)</p>
<p>This test set the setting "Complete Individual objects" to true, so you may want to reset your print settings afterwards</p> <p>This test sets the setting "Complete Individual objects" to true, so you may want to reset your print settings afterwards</p>
<p>Licence for models used for this calibration test: CC BY-SA 3.0</p> <p>Licence for models used for this calibration test: CC BY-SA 3.0</p>
</body> </body>
</html> </html>