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Bean grinder | Fine Coffee Bean Mill flat knife Grinding Plate Grinding characteristics description and introduction of flat knife Bean Grinder Flavor

Published: 2026-04-04 Author: World Gafei

Last Updated: 2026/04/04, A good coffee grinder, the grinding cutter head is the key factor, it is no exaggeration to say that buying a bean grinder is more like buying a grinding cutter head, which can be divided into three categories according to its structure, including flat knives, cones and ghost gears. At present, the largest number of cutters on the market are flat cutters, and its structure is divided into upper and lower layers, a fixed wheel,

A good coffee grinder, the grinding cutter head is the key factor, it is no exaggeration to say that buying a bean grinder is more like buying a grinding cutter head, which can be divided into three categories according to its structure, including flat knives, cones and ghost gears.

At present, the largest number of cutters on the market are flat cutters, and its cutter head structure is divided into two layers, a fixed wheel and a movable wheel. Adjust the size of coffee grinding particles by adjusting the turntable or twisting the turntable to adjust the distance between the cutters.

The coffee particles ground by the flat knife grinder are flaky, and the surface area of the flake coffee particles in contact with water increases, which increases the extraction efficiency of coffee, and can improve the concentration and extraction rate of coffee liquid in a short time. On the other hand, excessive extraction is easy to occur. It is easy to extract bitterness and astringency.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。