Is it important to make a coffee grinder or a coffee machine? What about a good bean grinder?

Coffee maker and bean grinder are indispensable to brewing coffee. In the selection and purchase of equipment, many friends have a misunderstanding that a good coffee machine is the key to good taste, but in the eyes of professional baristas, a good bean grinder is more important than a coffee machine. This is why the process of coffee production is the process of extraction, and the ideal state of extraction is to achieve uniform extraction. If the size of each coffee grounds is different, the surface area of contact with water is different, the substance extracted per unit mass is different at the same time, and the ideal uniform extraction cannot be achieved.

An important function of the bean grinder is to grind evenly, and each coffee grounds is of the same size. If the size is different, the inside of the large coffee grounds may not be fully extracted, and the small coffee grounds may be overextracted, so uniform coffee grounds is the key to the ideal extraction.

Coffee machine cutter head is divided into flat knife, cone knife, ghost teeth, different materials have a lot of influence.