Monday, August 21, 2006

coffee grinders : How Coffee Grinders Work

A coffee grinder is a device used to grind roasted coffee beans in preparation for brewing a hot beverage known as coffee. Less expensive coffee grinders use two blades, operating at high speeds to chop and grind coffee beans. Consistency in grind size is important for the brewing process. Because of the grinding action, coffee grinders generally do not produce a uniform grind, resulting in some coffee granules that are too big and others that are too small. When grinds are larger in size, they may cause the brewed coffee to be too bitter. When they are smaller than the average grind, the coffee may be too weak.

The Best Coffee Grinders

The best coffee grinders are not those that grind or crush the coffee beans. Instead, they slice them according to a predetermined size range. The slicing action is carried out between a stationary and a moving blade. This type of coffee grinder is known as a burr, or milling style, and ensures a perfect cup of coffee by producing a uniform grind for the coffee beans.

How Coffee Grinders Work

Coffee grinders operate the same way, no matter their sizes. There are three basic components to coffee grinders: the hopper, the motor and blades, and the grind bin. The roasted coffee beans are placed in the hopper, and the unit is turned on. As the beans are ground, they enter the grind bin where they are stored until the grinding is completed.

In addition to the power switch, there are settings that allow the user to set the type of grind -- fine, medium, and coarse grind -- to accommodate the grind size required for a range of coffee makers.

By Heleigh Bostwick

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