20 Myths About Coffee Grinders: Debunked > 자유게시판

• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

The Benefits of Using a Coffee Grinder

Experts agree that using a coffee grinder is one of the best upgrades you can make to your daily routine. The most expensive models come with burr grinders, which are made up of two grooved surfaces that can be adjusted to provide an even grind.

In contrast to a blade grinder these types of grinders ward off oxidation and ensure your grounds are even in size.

Conical Burrs

Burr grinders are a stronger type of coffee grinder that makes use of angled opposing cutting surfaces to break down whole beans into small particles. They create fewer fines (also called dust) than blade grinders and they let you control exactly what size of particles are produced by adjusting the gap between the burrs.

There are two kinds of burrs: flat and conical. The distinctions between conical and flat burrs are not obvious but significant. Each type has distinct strengths.

Blade grinders have sharp blade-shaped teeth that grind the coffee with each pass, burr grinders use a pair of disc shaped burrs to grind beans. The two burrs can be moved closer together or further apart to set the desired grind size, from coarse to fine. When they are set properly they will produce a uniform grinding, with less fragments and without heating.

A high-quality burr grinder will include a lubricated mechanism that will reduce friction and prolong the life of the blades. They should be easy to clean, preventing the build-up of coffee residue. While there are some hand powered burr grinders, commercial flat burr grinders are nearly always electrically powered as they require more power than can be generated by a human hand by itself.

Within each category of burr shape there is a variation between different brands and models of grinders. These variations aren't due solely to the shape or the geometry of the burrs, but rather the way their patterns relate to the distribution of size of particles. For instance, some conical burr grinders like the niche grinder Zero have very low retention, while other flat burr grinders like the Iberital MC2 boast high retention.

Some coffee lovers believe that certain burr types can bring out certain flavor profiles in the bean or roast. This is an area where the evidence is mostly anecdotal and not scientifically proven.

Flat Burrs

Flat burrs are circular plates with sharp ridges facing each the other. They crush coffee between them. These are the most commonly used burrs found in commercial and home grinders. They are also the most common burrs that are used in manual grinders.

As compared to conical ones, flat ones may have more trouble maintaining the same size of grind because the angled design of their cutting edges can leave behind grit and fines. This can result in poor extraction and bitter flavors. However, this isn't necessarily a deal breaker for some particular people, especially as new developments in burr design allow for the same clarity associated with flat burrs, albeit with more uniform the distribution of grind size.

The decision between a conical or flat burr grinder will depend on your specific grinding requirements and preferences. A barista who grinds many cups of coffee throughout the day may choose the flat burr mill as it produces less fines and decreases oxidation, making it easier to store.

The amount of heat a burr mill generates in operation is another aspect to take into consideration. This is a crucial factor because it can affect the taste and quality of your coffee. The more friction a grinder generates, the more it will increase its temperature, which can alter the flavor of your beans and lead to excessive extraction. Flat burr grinders generate less heat than conical grinders, which can give you a cleaner overall taste.

If you're looking for a coffee grinder that has flat burrs, there are plenty of options available from reputable brands like Baratza and Eureka. For example, the Fellow Ode Gen 2 is an extremely popular choice due to its easy to calibrate and provides an extremely high level of precision. It's also quiet and suitable for espresso. It doesn't produce the same amount of fines as Baratza and other models of premium and it's difficult to achieve a medium-coarse grind for espresso.

Variable Grind Settings

No matter what type grinding equipment you employ, the process produces various sizes and shapes. It is difficult to measure this accurately, unless you have expensive equipment, such as laser particle difffraction.

Rather than providing an exact measurement of particle size the majority of coffee grinders have a set of adjustment dials that allow the user to select from a variety of sizes. The dials are usually branded with a series of dots or numbers that represent smaller and larger sizes. The numbers are sometimes followed by arrows which indicate which direction the dial should be moving to make the grind coarser or finer.

Many grinders also provide visual representations that can assist you in choosing the correct setting. These can be a series or dots, or a stepped adjustment system. These indicators are useful, but they are only general guidelines, and you'll have to experiment with different settings.

For instance for instance, a dot that appears close together could mean that the burrs are set very fine, while an asterisk or number that appears to be further away indicates they're set extremely coarse. When deciding on a grinder's setting, you should be aware that even small adjustments can make an enormous difference.

Dialing in a grinder is finding the best grind setting for the coffee and the method of brewing. The best grind setting allows the brew to have the fullest and balanced flavor that is possible while staying within an acceptable range for extraction limitations. This is a constant process because even minor variations can result in coffee that has been over- or under-extracted.

For espresso, a very fine grind is the best because it maximizes the amount of water that comes into contact with the grounds during the limited time it takes for extraction. A setting that is similar in consistency to powdered sugar is suitable for all brewing methods, including pour-over, French press, Aeropress and Turkish coffee.

Easy Cleaning

When coffee grinds move through your grinder old grounds and oils are accumulated in the crevices. Eventually, these oil build-up becomes rancid and start to impact the taste of your professional coffee grinder. Regular cleaning can prevent the accumulation of stale coffee in your coffee maker and keep it running at its peak.

To clean your grinder, begin by unplugging it, then remove the hopper. Then, you can remove the burrs. Be careful not to scratch the burrs' sharp edges. They could easily scratch or scratch the inside of your grinder. If you have a grinder cleaner brush, use this on the burrs to remove any coffee that is stuck. Otherwise, employ a toothpick or soft brush to gently lift ground beans from burrs. After you have removed the burrs and any other coffee particles from the machine, clean it down with a clean dry cloth.

Cleaning your grinder regularly is essential, regardless of whether you use a burr or blade grinder. The aroma and flavor of coffee beans disappear once the beans are ground. The best coffee bean grinders espresso is made of freshly ground coffee. Grinders that are too fine can cause over-extraction and bitterness, while those that are too coarse could cause under-extraction and a sour or weak flavor.

Cleaning your grinder frequently is the only way to ensure that it stays in optimal condition and continues to produce top-quality grounds for your morning coffee. The lingering of oil residues and old ground coffee to accumulate in the nooks and crevices can result in obstructions to the blades and poorer quality coffee. The flavor of coffee can be affected by allowing coffee that is stale to accumulate on the burrs.

There are many ways to clean a grinder, but one of the most effective is by using a coffee grinder cleaning tablet (such as Urnex Grindz). These tablets are made from edible grains that bind with and eliminate coffee oils. These tablets are an excellent alternative to soaking your burrs in a solution of water, which could harm or dull them. You can also clean your burrs by using brushes or blowing them away using compressed air or a keyboard air blower.