BDJILKA - 28BYJ-48 drived lightweight carriage for D-Bot (2020 Y guide)

thingiverse

Human: 13.05.2019 installed a new fan mount and nozzle.\r\n08.04.2019 adjusted the angle of the 5015 fan, adding a bottom fixture to the rail carriage.\r\n\r\nThe rail can be placed on top or at the bottom of the profile.\r\nSources included:\r\n\r\nI purchased these motors from [here][1].\r\n[1]: http://buyeasy.by/cashback/view/pn1agmnckf5ou2ovc7sff5mf7co13wuw/?to=https%3A%2F%2Fru.aliexpress.com%2Fitem%2F28BYJ-48-DC-5-4%2F32944937475.html%3Fcv%3D0%26af%3D208%26aff_platform%3Ddefault%26cpt%3D1550345755924%26afref%3D%26sk%3DccfBY4yg%26aff_trace_key%3D4fdaee87e50f4687b3162fbe80cddb2b-1550345755924-08068-ccfBY4yg%26cn%3D43pn1afvcu8xw7slbxvqe22neqn9eu5u%26dp%3Dv5_43pn1afvcu8xw7slbxvqe22neqn9eu5u%26terminal_id%3Dec3e41dde24d481189b945da6ac8c158\r\n\r\nThe 28BYJ-48 motor must be converted to bipolar.\r\nhttps://hackaday.com/2014/07/29/changing-unipolar-steppers-to-bipolar/\r\n\r\nA test case for these drives is available here: https://www.thingiverse.com/thing:3432494\r\n\r\n<b>Videos</b>\r\nNozzle 0.4, layer height 0.2 : https://youtu.be/48Q6w46tLd4\r\n\r\n<b>Approximated BOM:</b>\r\n\r\nM3x8 - 2pcs (2 motor fix)\r\nM3x10 - 9pcs (2 optical endstop, 2 wire guide, 4 belt fixture,1 idler bearings)\r\nM3x12 - 13pcs (2 5015 fan detail, 2 bltouch, 2 bltouch detail, 4 MGN12H carriage, 2 support bearings, 1 "in" detail)\r\nM3x16 - 8pcs (4 back plate fix, 4 4010 fan)\r\nM5x10 - 1pcs (spring)\r\nM5 nut - 1pcs (spring)\r\nM3x20 - 2pcs (2 e3d v6 fixture)\r\nM3x25 - 6pcs (2 5015 fan, 2 front detail, 2 belt tensioners)\r\nM3 washers\r\nM3 nut - ~36pcs\r\n\r\nSpring for Ultimaker hotbed\r\nMK8 gear (9x5x11mm)\r\n3pcs 623zz bearings\r\n28BYJ-48 5V stepper drive\r\ne3d v6 extruder\r\n5015 fan\r\n4010 fan\r\nPTFE tube\r\nOptical endstop\r\n\r\n<b>I use it with</b>\r\n- TMC2208 drivers, current 110mA\r\n\r\n<b>Slicer settings:</b>\r\nInfill and Travel speeds - 150 mm/s\r\n\r\n<b>Marlin settings:</b>\r\nDEFAULT_MAX_FEEDRATE { 150, 150, 4, 80 }\r\nDEFAULT_MAX_ACCELERATION { 3000, 3000, 100, 100 }\r\nDEFAULT_ACCELERATION 3000\r\nDEFAULT_RETRACT_ACCELERATION 100\r\nDEFAULT_TRAVEL_ACCELERATION 3000\r\nDEFAULT_EJERK 3.0\r\n\r\ntensioner_inner.stl and wire_guide.stl are compatible with NickRimmer's carriage.\r\nhttps://www.thingiverse.com/thing:2590868\r\n\r\nMaterial: PETG/Copet or ABS\r\n\r\nThanks to the Ukrainian 3D printer community and mrStump.)\r\nPrevious versions can be found in the "obsolete" subfolder.