Type of coffee been grinder

At present, there are three main methods for the classification of bean grinder:
1. Coffee extraction methods can be divided into two categories: single Coffee Grinder and Italian coffee grinder;
2. Grinding disc structure can be divided into three categories: flat knife, taper knife and ghost tooth;
3. The working mode can be classified into hand grinder and Electric Grinder.

The difference between the grinding plates of the bean grinder: generally, they can be divided into three categories: flat knife, tapered knife and ghost teeth. The grinding plate determines the main performance of the bean grinder and also determines the price of the bean grinder.

Coffee Grinder

Working principle of flat knife: a metal blade is installed on a Motor rotor. When the motor is started, the upper and lower cutter heads are rotated to generate cutting action to cut beans into broken particles.
Application: All kinds of single coffee.

Advantages: accurate design and positioning, product quality is in direct proportion to grade of the grinder and diameter of the grinding plate.

Conical knife principle: it is through squeezing and grinding between two conical knife thorns, a moving grinding wheel and a stationary contact surface, and the coffee can be pushed out without pushing between particles.
Suitable for: espresso, Türkiye coffee, French coffee press pot.

Advantages: Compared with the flat knife bean grinder, the cone knife grinds the particles more evenly, and produces less fine powder. It is not easy to produce miscellaneous taste and astringent taste, which improves the hierarchy of coffee flavor.

Working principle of Ghost Teeth: coffee beans are mainly grinded into granules by grinding, so its shape is mainly oval. Suitable for: single coffee or coffee powder with coarse granules.
Advantages: It has a good sense of balance and thickness, more uniform grinding degree, and is cleaner and fuller than flat knives and taper knives.
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