How to adjust the thickness of the rough dial of the bean grinder

Coffee grinding bean scale

The thickness of a single product is a variable, and everyone uses it differently. Not only is the scale different caused by different machines, but also the extraction method affects it.

For example, hand punch, scale is a variable, speed, technique, temperature, bean baking degree, these are all variables, as long as I am different from one of you, the scale is meaningless, the result is different.

You can judge it this way, for example, if you flush it by hand, the recommended medium scale is as thick as sugar, and if you rush out with obvious astringency or excessive extraction, it may be finer or slower, you can try to make it thicker, but because there are too many variables, you can only move one variable each time, that is, you adjust the technique, the speed of water injection, the number of circles, the size of the water column, and the thickness of the powder. Temperature and other variables, but can only change one, if it is more obvious miscellaneous bitterness, you can first consider the powder thickness.

If you try it a few more times, you can feel your own suitable scale. Remember that fine is a sense of over-abstraction, thick is a sense of mediocrity, and everyone's scale will not be the same.

Different bean grinders have different adjustment dials, so you should check the model of the coffee grinder and read the instructions carefully to determine the direction and strength of the dial. In general, if you keep in the habit of checking the settings of the bean grinder, you only need to make very small adjustments. As long as you move the turntable within 3 mm, you can change the thickness of the powder. Although 3 mm is a very small number, the grinding time of the same coffee beans will change for 3-5 seconds to observe the coffee powder. High-quality coffee powder should be powdery and gravel. If the coffee powder is soft, like flour, it means the powder is fine. On the contrary, if the coffee powder feels tough and rough, it means the powder is too coarse. When the coffee bean enters the grinder, the blade in the grinder will crush the coffee bean into powder. The smaller the distance between the blade and the blade, the smaller the coffee beans will be ground into smaller particles. The finer the ground particles are, the tighter they will be.

Turn on the grinder for 10 seconds and discard the coffee powder (these are coffee powders that have not been adjusted).

Use the coffee powder to make a cup of coffee to ensure the accuracy of the steps of serving, flattening and pressing powder. Test the quality of the coffee and the extraction time. Constantly adjust the dial to make the powder reach a perfect thickness.