Because coffee machine extraction coffee is extracted by high temperature, high pressure and rapid extraction, it has special requirements for grinding degree. If the grinder is not fine enough, it will lead to insufficient coffee extraction; if the grinding is uneven, it will lead to uneven extraction. The general grinder can only grind the coffee powder into coarse particles, and the grinding can not be very uniform. The coffee machine special grinder can grind the coffee beans evenly into fine powder (with a certain granular feeling), so the coffee machine will be equipped with a special grinder.
Coffee machine special grinder according to blade classification can be roughly divided into two categories: one is flat blade, one is conical blade.
The following is a comparison of the two blade grinders and the use table.
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