CR6 Top Mount Spool Installation Kit
prusaprinters
<p>I like the original <a href="https://www.printables.com/model/175549-cr6-top-gantry-spool-mount">https://www.printables.com/model/175549-cr6-top-gantry-spool-mount</a> model, but it bothered me that the tolerances in mine allowed the spool to sag a tad toward the unsupported side. </p><p>I decided to remix that model to allow me to install a second holder arm and design a couple of adapters, to add a support on that other side; one which I could easily pivot out of the way, when I am mounting or unmounting the spool. Of course, then I needed a way to add support from that 2nd arm to the end of the spool holder shaft.</p><p>This kit assumes that you, as do I, will use my <strong>Spool Holder System, </strong>which is available here: <a href="https://www.printables.com/model/128653-spool-reel-holder-system-with-adaptors-bearings-fo">https://www.printables.com/model/128653-spool-reel-holder-system-with-adaptors-bearings-fo</a>. (Not pushing my stuff, just explaining what it takes to make use of this kit.) </p><p>To connect the “unsupported-end” of the spool holder to the 2nd (pivoting) arm, I designed a two-part version of the <strong>CR-6_SE_to_26mmDiaSpoolHolder_Adaptor.stl</strong> <a href=" [https://media.printables.com/media/prints/128653/stls/1233221_67463113-2f85-4a90-a87b-b78dc24ea538/cr-6_se_to_26mmdiaspoolholder_adaptor.stl#_ga=2.159614973.1389269173.1664673088-1707186522.1648682390]"> [Available at </a><a href="https://media.printables.com/media/prints/128653/stls/1233221_67463113-2f85-4a90-a87b-b78dc24ea538/cr-6_se_to_26mmdiaspoolholder_adaptor.stl#_ga=2.159614973.1389269173.1664673088-1707186522.1648682390]">https://media.printables.com/media/prints/128653/stls/1233221_67463113-2f85-4a90-a87b-b78dc24ea538/cr-6_se_to_26mmdiaspoolholder_adaptor.stl#_ga=2.159614973.1389269173.1664673088-1707186522.1648682390]</a></p><p>The full top-mount spool installation kit therefore consists of:</p><ul><li>All 3 of the models posted here:<ul><li>1 x <strong>open-sided holder arm bracket</strong></li><li>1 x <strong>arm-holder-to-shafted-cap-adapte</strong>r</li><li>1 x <strong>shafted-cap</strong></li></ul></li></ul><p> + one original <strong>CR6 Top Gantry Spool mount</strong></p><p> + the <strong>original CR6 side-mounted spool holder arm</strong> (injection-molded & likely stronger than the FDM-printed arm)</p><p> + one of either <a href="https://www.printables.com/model/287215-cr6-spool-holder-arm">https://www.printables.com/model/287215-<strong>cr6-spool-holder-arm</strong></a> (or the original arm by grdesign on Thingiverse, the pivot of which I remixed.)</p><p> +<i> at least</i> one <strong>CR-6_SE_to_26mmDiaSpoolHolder_Adaptor.stl </strong>and one <strong>shaft_26mmDia.stl </strong>from my <strong>Spool Holder System</strong></p><p> + two each of whichever of my <strong>Spool-to-Shaft Adaptors [Bearings] </strong>fit your filament spools</p><p> + 6 x <strong>M5x10mm bolts</strong></p><p> + 6 x <strong>M5 T-Nuts</strong></p><p> + 2 x <strong>M5 x 40mm bolts</strong></p><p> + 2 x <strong>M5 nuts</strong> (e.g. nyloc locknuts)</p><p> </p><p><strong>Post-Printing Tips:</strong></p><ul><li>Remember to find and remove all supports from the print</li><li>Test-fit the bayonet connections (may require a little xacto knife trimming of stubborn support material off the bayonet stubs inside the 3D printed arm hole….)</li></ul><p> </p><p><strong>To install this kit:</strong></p><ol><li> Using 3 x <strong>M5 x 10mm bolts</strong> and 3 x <strong>M5 T-nuts</strong>, bolt the open-sided holder arm bracket to the top rail of the printer gantry, to the immediate left of the printer handle, with the open side pointing away from the handle.</li><li>Using the remaining <strong>M5 x 10mm bolts</strong> and <strong>M5 T-Nuts</strong>, bolt the <strong>CR6 Top Gantry Spool mount</strong> to the immediate right of the printer handle.</li><li>Using 1 x <strong>M5 x 40mm bolt</strong> and one <strong>M5 nut</strong>, bolt the original CR6 side-mounted spool holder arm into the <strong>CR6 Top Gantry Spool mount. NOTE: Position the arm with the spool holder toward the rear of the printer!</strong></li><li>Using the remaining <strong>M5 x 45mm bolt</strong> and <strong>M5 nut</strong>, bolt the <strong>3D-printed spool holder arm</strong> into the <strong>open-sided arm bracket</strong>, also with the spool holder toward the rear of the printer.</li><li>Screw the <strong>CR-6_SE_to_26mmDiaSpoolHolder_Adaptor.stl </strong>to the <strong>shaft_26mmDia.stl</strong></li><li>Install the bayonet-end of the assembly from step 5 into the original spool holder arm.)</li><li>Install a spool of filament onto the 26mm shaft (preferably, but optionally, with two of the plastic bearings installed in the center holes of the filament spool.)</li><li>Screw the <strong>shafted-cap</strong> into the end of the 26mm shaft</li><li>Fit the <strong>arm-holder-to-shafted-cap-adapter</strong> in through the left side of the hole in the 3D-printed spool holder arm, sliding the adapter over the end of the shaft of the <strong>shafted-cap</strong>, and twisting the adapter into the bayonet connection on the arm.</li></ol><p> </p>
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