Anet A8 direct drive replacement/extension carriage (MK8 extruder compatible)

prusaprinters

<p>This carriage is designed to:</p> <ul> <li>Replace the original carriage by providing a maximum of compatibility with original parts (you only have to replace the fan duct, all the other original parts can be used)</li> <li>Provide similar positioning of the nozzle, so you not even have to change the firmware when coming from the original A8</li> <li>Provide ab platform for any direct drive design you want to put on your Anet A8</li> </ul> <p>And the reason I did it:</p> <ul> <li>Provide the possibility to use upgraded extruder designs like the MK8 (<a href="https://www.amazon.de/Geeetech-MK8-Extruder-f%C3%BCr-Prusa-I3-3D-Drucker/dp/B06X9KNXZC/ref=sr_1_10?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&amp;keywords=extruder&amp;qid=1554543845&amp;s=gateway&amp;sr=8-10&amp;tag=thingiverse09-20">https://www.amazon.de/Geeetech-MK8-Extruder-f%C3%BCr-Prusa-I3-3D-Drucker/dp/B06X9KNXZC/ref=sr_1_10?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&amp;keywords=extruder&amp;qid=1554543845&amp;s=gateway&amp;sr=8-10</a>) in da direct drive setup on the Anet A8 (on the original carriage you are not able to use a design with a lever you you had to cut the carriage which took away the bracket for the fan.</li> </ul> <p>Tested Upgrades which are compatible with the carriage:</p> <ul> <li>improved linear chain to Extruder on Anet A8 (<a href="https://www.thingiverse.com/thing:1905344">https://www.thingiverse.com/thing:1905344</a>)</li> <li>Anet A8 X Belt holder and tensionner (<a href="https://www.thingiverse.com/thing:2425783">https://www.thingiverse.com/thing:2425783</a>)</li> <li>Anet A8 bed level holder (12mm inductive sensor) (<a href="https://www.thingiverse.com/thing:1884118">http://www.thingiverse.com/thing:1884118</a>)</li> </ul> <p>Additional parts needed:</p> <p>Chain fan interface:</p> <ul> <li>2 pcs. M4x10 screws</li> </ul> <p>Fan bracket:</p> <ul> <li>2 pcs. M3x20 screws</li> <li>2 pcs. M3 nuts</li> </ul> <p>Fan:</p> <ul> <li>2 pcs. M4x25 screws</li> <li>2 pcs. M4 nuts</li> <li>2-4 pcs. M4 washers</li> </ul> <h3>Print Settings</h3> <p><strong>Printer Brand:</strong></p> <p>Anet</p> <p><strong>Printer:</strong></p> <p>A8</p> <p><strong>Rafts:</strong></p> <p>Yes</p> <p><strong>Supports:</strong></p> <p>No</p> <p><strong>Resolution:</strong></p> <p>0,15 (duct) 0,25 (other parts)</p> <p><strong>Infill:</strong></p> <p>30</p> <p><strong>Filament:</strong> Sunlu PETG</p> <p>blue How I Designed This ===================</p> <p><strong>freeCAD Tinkercad</strong></p> <p>as always the model is included</p> <p>Since the fan duct was tricky and unable to convert to solid, I used Tinkercad for this job.</p> Category: 3D Printer Parts