Belt grinder

grinders
https://www.youtube.com/watch?v=5M5KmmJ_BHE 1h40min long, laser cut parts avlb. for purchase. Mechanism for orienting tracking wheel. https://www.youtube.com/watch?v=gaIVzdJ2V5w https://www.youtube.com/watch?v=n03JraRgD2k Belt grinder from scrap.

links
Machine design