Direct Geared Belted Extruder 1,75mm

thingiverse

Direct Geared Belted Extruder 1,75mm (v1)\nThis model is now outdated and has been replaced by the V2 version.\nNew features include a 90-degree turn: Direct Geared Belted Extruder V2 (1,75mm).\nIf you're looking for a bowden version, check out my Belted Extruder v.3 for 1.75 instead.\nKey Features\nThis compact and accurate extruder is easy to use and install.\nIt's designed for all 1,75mm filaments.\nThe gear ratio is 1:3.75.\nThe total weight of the motor and gears is 316g, which is very light.\nOnly high-quality parts are used for durability and accuracy.\nNo exotic or hard-to-find parts are used in this design.\nSet-and-forget idler system\nPrusa compatible mount hole spacing\nSilent operation due to belt-driven design\nMount holes for optional expansion\nExpansion Options\nOption to install sensors behind the hotend\nCooling solution can be mounted on expansion slots instead of the hotend\nOption to add cable management, motor covers, and fans next to the motor\nNema 17 Used\nA Nema 17 pancake stepper motor is used in this design.\nManufacturer Part Number: 17HM08-1204S\n0.9-degree Nema 17 Stepper Motor with 1.2A current, 11Nm torque, and 42x42x20mm dimensions\nFound on German eBay\nYou can reuse your existing Nema 17 stepper motor, but using a smaller motor will significantly reduce the weight.\nUsage Requirements\nThis extruder has standard Prusa mount hole spacing of 23mm center-to-center.\nTo install it, you'll need to choose one of three options: 16GT-2 or 20GT-2 pulleys and E3D Hobbed Bolt - Hobb-Goblin-8mm-Shaft\nBill Of Materials\n60GT-2 Pulley\n16GT-2 or 20GT-2 Pulley.\nE3D Hobbed Bolt - Hobb-Goblin-8mm-Shaft.\n172-GT2 Belt.\n0-1x m6 Push-Fitting for 1.75mm filament.\n2x 20mm steel springs, 1-1.2mm thick.\n3x 608 bearings, 8x22x7 - Type doesn't matter.\nVarious m3 nuts, screws, and spacers\nDetailed Screw/Nut BOM\n13-17x M3 nuts (if using cable management or motor-covers)\n4x m3 spacers - Fasten Motor\n4x m3 8mm - Expansions bar.\n4x m3 10mm - Fasten Motor.\n3x m3 16mm - Hotend Fastener and Idler.\n2x m3 25mm - Idler and Spring Frame joints.\n2x m3 50mm - Socket Head Screws, Partially Threaded.\n4x m4 - Lock-nuts\nAddons\nEverything for my Belted Extruders can be found in my Collection: Belted Extruders by Dintid\nAddons are still coming in, so hit follow or check back periodically