DVD / CD stepper slider unit

prusaprinters

<p>Inspired by this thing:<br/> <a href="https://www.thingiverse.com/thing:1765496">https://www.thingiverse.com/thing:1765496</a><br/> ... designed from scratch on Onshape.</p> <p>I added a second guiding rod. The moving part is guided 100% on one rod and only 180° on second. It can be tightened to second rod with a cable tie. This allows for fine tuning of printing tolerances.<br/> I run a drill bit of 3mm in the guiding holes until they moved smoothly.<br/> 3mm guiding rods, stepper motor itself as well as the screws holding the stepper in place are salvaged from old DVD drives.</p> <p>Two of this assemblies along with a pen lifter (see below) go together to a CNC pen plotter shown in YouTube video.</p> <p>Designed in Onshape;<br/> public link to CAD - source files attached:<br/> <a href="https://cad.onshape.com/document-redirect.html?d=/documents/506d71da1204693ca3d05ba2/w/effb6de1e347e385eb5360d2">https://cad.onshape.com/document-redirect.html?d=/documents/506d71da1204693ca3d05ba2/w/effb6de1e347e385eb5360d2</a></p> <p>See fully assembled CNC - Plotter in action:<br/> <figure class="media"> <oembed url="https://www.youtube.com/watch?v=xJS5MQ620vE"></oembed> </figure> </p> <p>Goes together with this design:<br/> <a href="https://www.thingiverse.com/thing:2746210">https://www.thingiverse.com/thing:2746210</a></p> <h3> Print Settings</h3> <p><strong>Printer:</strong></p> <p>Anet A8</p> <p><p class="detail-setting rafts"><strong>Rafts: </strong> <div><p>No</p></div><strong>Supports:</strong></p> <p>Yes</p> <p><p class="detail-setting resolution"><strong>Resolution: </strong> <div><p>0.2</p></div><strong>Infill:</strong></p> <p>26</p> </p></p> Category: DIY