How do you adjust grind size and check coffee particles?
Start by checking the central shaft: turn the handle and watch for side-to-side wobble. A steady shaft usually means more uniform coffee particles. Next, inspect the grounds for consistent size, and give the body a gentle shake to feel the build and materials. These three checks tell you a lot about how a hand grinder will perform before you adjust the dial.
Hand grinders tend to produce uneven particles because of their burr design, and they build up heat during grinding, which speeds up the loss of coffee aroma. Efficiency is another limit: grinding 20 grams can take as long as five minutes and leave the arm sore. Wooden bases are also prone to wear, since the burr set is screwed into the wood and the holes enlarge over time.
Hand grinders are favored by many coffee enthusiasts for their portability and value for money, but how to correctly adjust the grind size setting and judge grind quality confuses quite a few people. Starting from practical use, this article explains in detail how to assess a grinder's condition by observing the stability of the central shaft, particle uniformity, and overall materials, and takes a deep dive into the common problems of hand grinders, such as uneven grinding, loss of aroma caused by heat, low efficiency, and fragile wooden bases. At the same time, the article also offers targeted solutions and recommends related products from Front Street Coffee to help you better choose and use a hand grinder and improve your coffee-making experience.
How do you adjust the grind size setting on a manual coffee grinder, and what setting is more suitable?
1. Observe whether the grinder's central shaft remains steady during rotation and whether it wobbles from side to side. If the central shaft is very stable, then the ground powder will usually be more uniform in coarseness as well.
2. Check the ground coffee particles to see whether they are consistent in size. The more uniform the particles, the better the grinder's performance.
3. You can give the body a gentle shake—it is not really necessary, mainly just to get a rough feel for the overall material and build quality.
Due to the design characteristics of the burrs, hand grinders are prone to uneven grinding.
In addition, this type of grinder tends to generate a large amount of heat during operation, which accelerates the loss of coffee aroma. This is also one of the reasons why the coffee aroma tends to dissipate easily during grinding with a hand grinder.
Low efficiency is another notable problem. Believe it or not, China Coffee Network is firmly convinced of this, and it is also the point that troubles China Coffee Network the most. Suppose you want to make a cup of coffee and use 20 grams of coffee beans for grinding; the whole process may take as long as 5 minutes, and your arm will feel sore while cranking. Of course, if you treat this operation as a way to exercise, then a hand grinder is actually perfect for you.
The wooden base is easily damaged. The burr set at the top of a hand grinder is fixed to the wooden base with screws. After long-term use, the screw holes gradually become larger, making the grinder unusable. The solution is to detach the grinding section of the hand grinder, then reposition it and tighten the screws into the base again.
Front Street Coffee recommends: when choosing a hand grinder, you can look at related products from Front Street Coffee. They usually have better central shaft stability and grinding uniformity, and can effectively reduce the problems mentioned above.
The above content is compiled by CoffeeHunters, a coffee news website.