Sim Racing Belt Tensioner Universal Roller
thingiverse
Universal Roller for Belt Tensioner system. Has two styles for bearing holders - mounting holes inside/outside. Roller can be extended in slices to fit your seat belt guides. Uses standard bearings and M3/M5 hardware. Stable design, been using mine for more than 6 months without issues. At first I assembled with M5 screws on each side, worked for a month but then both rollers broke (printing vertically of course is not that strong). Since then switched to full length threaded M5 rod with nuts on each side - no issues whatsoever, holding up nicely. Belt tensioner demo video: https://www.youtube.com/watch?v=9a0rFGwfBp4 Instructions, project documentation and SimHub files here: https://github.com/StuyoP/Belt-Tensioner-Robot-Servo Needed hardware: 1. Ball bearings - 635zz : 5mm*19mm*6mm - https://www.aliexpress.com/item/4001058241232.html?spm=a2g0o.order_detail.0.0.1ab9f19cWd9iD6 2. M3 mounting hardware - 15mm M3 screw and nut 3. M5 hardware - nuts and threaded rods by length. Works with M5 bolts but not that stable Supercapacitor PSU + Arduino enclosure here: https://www.thingiverse.com/thing:5490068
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