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Explain the movement of the outer burr and how/why that pulls the beans in and makes for faster speeds

Explain the movement of the outer burr and how/why that pulls the beans in and makes for faster speeds

Aggressive helical grooves cut into the top of the rotating outer ring burr are what actively pull beans down between the burrs, while another helical compressor ring at the base of the rotating ring burr gathers the resultant grinds and compresses them slightly while guiding them out, which helps dissipate static charge. “You need coffee to bunch up a little bit after it’s been ground,” said Anderson, “or you will have a static nightmare.”