NEMA17 Universal Belted 2:1 Reduction Drive
thingiverse
This is a universal 2:1 NEMA17 reduction drive, based mostly on parts used to build a Voron Mobius extruder (http://mzbot.us/voron_mobius). Thanks to the use of pulleys and a belt instead of gears, this setup is very quiet. BOM: 1x GT2 40T pulley 1x GT2 20T pulley 1x GT2 110mm belt loop 1x 5x50mm steel rod (shaft) 2x 625 bearings 2x M5 washers to separate the bearings from the 40T pulley 2x M3x10 socket hex screws 2x M3x25 socket hex screws 4x M3x25 OR LONGER socket hex screws for mounting the top plate and anything on it.
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