To grind those beans, coffee mills use either burrs –â ¯abrasive surfaces that rotate and grind the beans between them –â ¯or regular blades, not unlike those that you’d find on a hand blender or food ...
As the disc gets larger, the grinder itself must be larger to handle the cutting strength. This translates to a heavier tool that’s more likely to cause hand fatigue than small angle grinders.
I try to break up each nug into super small chunks and remove any tiny stems in the process. That being said, this grinder works well and reliably. It's only a bonus that it's a cool party trick.
Blade grinders (like the one in the picture below) have a spinning blade inside that cuts the beans into smaller pieces, similar to a blender. Burr coffee grinders have a small gear-like mechanism ...
If you brew espresso at home and your machine doesn't have a built-in grinder, an espresso grinder ... and one that you're able to adjust in small increments to perfection," says professional ...