Grind Your Way to the Perfect Cup: The Magic Behind Coffee Grinders
If you're a coffee enthusiast and love a good brew, you will no doubt agree that the grinder is a key piece of equipment for brewing good coffee!
A coffee grinder works by grinding whole coffee beans into smaller particles that can be used to brew coffee. There are several different types of coffee grinders, but the most popular type is a burr grinder.
A burr grinder consists of two revolving abrasive surfaces (burrs) that crush the coffee beans between them. The distance between the two burrs can be adjusted, allowing the user to choose the size of the coffee grounds. The beans are fed into the grinder through a hopper at the top, and the grounds are collected in a container at the bottom.
The burrs in a coffee grinder can be made of various materials, including steel, ceramic, and even titanium. Some grinders also have conical burrs, which are angled and can produce a more consistent grind than flat burrs.
There are also blade grinders, which use a spinning steel lade to chop up the coffee beans.
Following is more information on some of the different types of coffee grinders available in the market. Here are the main types:
Blade grinders: Blade grinders use a spinning blade to chop the coffee beans. The grounds produced by blade grinders are not always uniform in size, and the heat generated during grinding can affect the flavour of the coffee.
Burr grinders: Burr grinders use two revolving abrasive surfaces (burrs) to grind the coffee beans. Burr grinders produce a more consistent grind than blade grinders, and they allow for greater control over the size of the coffee grounds.
Available here: Quality Espresso, Cunill Tron Automatic On Demand Coffee Grinder. The Burrs are hardened steel grinding blades (62/65 HRc) 60mm in diameter. These patented burrs produce a consistent grind that is accurate and fine enough to produce a fantastic coffee.
Manual grinders: Manual grinders are operated by hand, and they are typically smaller and more portable than electric grinders. They are a good option for people who want to grind their coffee while traveling or camping.
Electric grinders: Electric grinders are powered by electricity, and they are the most common type of coffee grinder. They come in various sizes and designs, from small blade grinders to large, commercial-grade burr grinders.
Conical grinders: Conical grinders have a conical shape instead of a flat shape like traditional burr grinders. This shape is said to produce a more consistent grind, especially for coarser grinds used in French press or cold brew.
When selecting a coffee grinder, it's important to consider your brewing method and how often you need to grind and the amount of coffee.
Overall, a burr grinder is the preferred type of coffee grinder for coffee enthusiasts, as it produces a consistent grind and allows for greater control over the size of the coffee particles.