Grinding your own coffee beans is a fairly easy to ensure freshness in your cup of coffee, that way. Shredders can be cheap, and some manufacturers of espresso coffee machines or even integrated.
There are basically two types of grinders: blade or cutter.
Blade grinders
Most factories use cheap sheet metal cutting grains. The blade cuts the grains and control how long the fineness of the mill is running. Unfortunately, the resulting coffee be unequal in size, leading to inconsistent brew quality. Another disadvantage is that if you are grinding, and so leaves the grain in the mill for a longer period are fine, there may be a large amount of heat generated by the blades. This may be your final coffee tastes burnt to give. The wheels are good for basic use, but that's it.
Burr Grinders
Burr grinders crush the beans between a moving grinding wheel and a non-moving surface. The positioning of the knife is what the size of the earth so that grinding, more uniform. In the category of errors, there are two different types.
Wheel Burr - The cheaper of the two mills. The wheel turns very quickly, and these mills can be noisy. The higher speed make this Messier and mills.
Conical Burr - The best grinders you can get are conical mill wheel. The cutter rotates slower than the wheel model, so that it quieter and less chaotic. You can use a conical grinder for oily or flavored coffees and is not likely to plug, as well as other types of grinding machines. These are the best kind, but you will pay the price.
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