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lawgicau
2021-07-16 18:09:31 +10:00
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calibration.html
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<div id="intro">
<h2>Introduction</h2>
<p>This page serves as a companion for this video: <a href="https://www.youtube.com/watch?v=rp3r921DBGI" target="_blank">3D printer calibration revolutionised - Step by step to better print quality</a></p>
<p>It has received a major update to bring it up to V2 which is explained in this video: <a href="https://www.youtube.com/watch?v=rp3r921DBGI" target="_blank">3D printer calibration revolutionised - Step by step to better print quality</a></p>
<p>It has received a major update to bring it up to V2 which is explained in this video: <a href="https://www.youtube.com/watch?v=9kDK7czgMxc" target="_blank">3D printer calibration site V2 - Still free and better than ever!</a></p>
<iframe width="480" height="360" src="https://www.youtube.com/embed/rp3r921DBGI" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<img src="371-thumb.jpg" height="360"/>
<!--
<iframe width="480" height="360" src="https://www.youtube.com/embed/rp3r921DBGI" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
-->
<iframe width="480" height="360" src="https://www.youtube.com/embed/9kDK7czgMxc" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<p>It aims to make calibrating your 3D printer as easy as possible. If you find it helps you and you would like to say thank you, here is a donation link: <a href="https://paypal.me/testlawgicau" target="blank">PayPal.me</a></p>
<p>Special thanks to my <a href="http://www.patreon.com/teachingtech" target="_blank">Patrons</a> for suggesting this video, helping define the contents and testing/proofing.</p>
<p>Watch the videos and then work through each tab. I have created a custom gcode generator to assist in making testing towers. This used to be a laborious process and beyond the skills of many users. Other times pre-sliced gcode was used from the internet, but it is impossible to have gcode available for every printer configuration. <i>Until now!</i></p>
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<h2>Interpreting Results:</h2>
<p>Please use the following video as a guide to this test:</p>
<iframe width="640" height="480" src="https://www.youtube.com/embed/SIsKQIyuzYs" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<p>You may initially think the X and Y labels are facing the wrong way, but they do not. This is explains and demonstrated in the video above.</p>
<p>You may initially think the X and Y labels are facing the wrong way, but they are not. This is explained and demonstrated in the video above.</p>
<p>You may also notice a few bits of stringing. These are a quirk of how the test was originally sliced and can safely be ignored.</p>
<p>Inspect your finished print. Hopefully, there will be a clear difference between the segments that reflect the acceleration values you entered. In the example below (Ender 3 direct drive, PLA, linear advance enabled), acceleration varied from 300 to 800 in 100 mm/sec/sec increments. Junction deviation was left at the default 0.08. The difference between each segment is subtle, but there is increased ghosting around the letter Y on the higher segments. In the lowest segment, the gentle acceleration means the nozzle spends more time in the corners and they tend to bulge. This would be more evident if linear advance was disabled.</p>
<p>The ideal segment will have the best compromise between low acceleration corner bulging and high acceleration ringing.</p>

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js/createform.js
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@ -162,7 +162,7 @@ var retractionReg = `<h4>Retraction</h4>
<p><label>Retraction distance (mm): <input type="number" name="retdist" value="5" min="0" max="20" step="0.1"></label>
<label>Retraction speed (mm/sec): <input type="number" name="retspeed" value="40" min="5" max="150" step="1"></label></p>
<p><label>Extra restart distance (mm): <input type="number" name="retdistextra" min="-10" max="10" value="0" step="0.1"></label>
<label>Z hop (mm): <input type="number" name="zhop" min="0" max="10" value="0" step="0.1"></label></p>`;
<label>Z hop (mm): <input type="number" name="zhop" min="0" max="10" value="0" step="0.1"></label> (zero disables Z hop)</p>`;
var retractionTower = `<h4>Retraction</h4>
<p>For initial tests, you can leave the retraction speed at 40 mm/sec. For a bowden tube printer, 6mm is a likely retraction distance. For direct drive, a starting value of 1mm may be suitable. Vary either side of this for each segment. <span class="sug">Suggested increments for how much to vary the value for each segment are shown in green.</span>.</p>