Nav: Home > Coffee Technology >

Calibration adjustment, cleaning and maintenance of hand bean grinder and the difference between hand bean mill and electric bean mill

Published: 2026-04-06 Author: World Gafei

Last Updated: 2026/04/06, Manual bean grinder is relatively cheap, except for the espresso coffee machine can be applied basically, although a little slower, but this kind of expectation is also pleasant. Adjustment of the hand bean grinder: grab the top fixed screw, gently move up and down, you will find that there will be a very small range of activity space, the size of this activity space determines the thickness and activity of the coffee powder.

Manual bean grinder is relatively cheap, except for the espresso coffee machine can be applied basically, although a little slower, but this kind of expectation is also pleasant.

Adjustment of the hand bean grinder: grab the top fixed screw, gently move up and down, you will find that there will be a very small range of activity space, the size of this activity space determines the size of the coffee powder, the activity space is large, of course, the coffee powder is coarse, and vice versa. Remove the upper parts in turn and rotate the gear screw clockwise in a positive direction. When the screw moves down, the room for class and class activities of the rotating shaft will be reduced, and the powder will become thinner. If you want to be thicker, adjust the screw counterclockwise.

Cleaning of hand grinder: if it is not clean, the residual coffee powder will absorb the smell and directly affect the taste of the next brewed coffee. Turn it upside down and pour out the remaining coffee inside the grinding core; you can use a toothbrush and other brushes to remove the coffee powder from the coffee box and the movement below; finally, it will be better to blow it with a hair dryer. Before re-use, put a little bit of beans to grind, pour out and then grind, which can remove the influence of residual coffee powder to the greatest extent.

Source: Beibei Coffee Alumni Association

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。