Gregs Wade Accessible Belt Drive Extruder Free 3D print model

cgtrader

**Fresh update posted: http://www.thingiverse.com/thing:456025 This redesign combines Greg's Wade extruder with Terawatt Industry's belt drive extruder. It joins the zero backlash benefits of the Terawatt 00str00der design with a robust, dependable framework.\nCheck out the video at: http://youtu.be/cY4r6K0P9Qk\n12/05/13 - Filament option for 1.75mm added\n5/30/14 - Corrected belt sizeInstructionsComponents Needed:\n65T plastic (carbide) GT2 pulley w/8mm bore, flanges, set-screw\n17T aluminum GT2 pulley w/5mm bore, flanges, set-screw\nGT2 belt, 2mm pitch, 88T, 196mm length, 6mm-with, fiberglass-reinforced, closed-loop\nPulleys and belt can be sourced from stock drive products, Terawatt industries, eBay, etc.\nHobbed Bolt\n608 bearings, a minimum of three (additional ones could be used as spacers on the hobbed bolt)\n2x M4 x 55 SHCS\n2x springs\n1x M8 axle or stud for idler pulley\n4x M3 SHCS for stepper mount\n4x M3 washers for stepper mount\nother assorted M3 / M4 hardware\nAssemble this like you would any Greg's style extruder. Use the slots in the stepper mount to tighten the belt. Don't forget to recalibrate your E steps after installation. You may need to reverse the direction of your extruder stepper in your firmware too.\nPlease note, the photos demonstrate assembly with Terawatt Industries' elastomer bumpers for the idler tension springs. It's a good idea to use steel springs instead, they perform significantly better.\nEnjoy quieter, backlash-free printing!