Conical vs Flat Burr Coffee Grinders: What's The ...
2020-5-12 · With a burr grinder, coffee is ground through pressure as it passes between two surfaces or burrs. ... the coffee is pushed sideways out of the burr set. This takes a lot of force, and to achieve this, the grinder’s engine rotates at a higher RPM. ... conical burr grinders run at a lower RPM because gravity is doing a lot of the work for them ...
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