On the Grind: All About Grinders—Part 2

Last week we talked about the basics of burrs and grinders. You can find that post here!

This week it's all about control and motors. Let's jump in!

Control

Grind control is another extremely important aspect of choosing a grinder. When we talk about "control" we mean opening and closing the burrs of the grinder to achieve a finer or coarser grind. Finer grounds are used for espresso and Turkish coffee. Coarser grinds are typically used for drip and press brew methods.

There are two different control methods most commonly found on coffee grinders: stepped and stepless. Stepped grinders tend to "click" into place at set intervals. This is very useful if you need to switch between drip and press grind levels. On the other hand, stepless grinders don't feature this clicking between settings. Instead, they smoothly adjust from setting to setting. While this can make switching back and forth a pain, it helps for dialing in the perfect expresso grind immensely.

But what does this mean for you? You should look for a control type that fits your needs. Stepless is great for espresso fans, while stepped grinders are better if you switch between drip and press methods a lot.

Motors

Also of great importance is the motor in your grinder! This can be a hard thing to gauge without trying a grinder for yourself, but it's a key part of the machine. The motor spins the burrs in the grinder, which, of course, grinds the beans. The biggest concern when considering motors is reliability. It's easy to replace burrs, and controls very rarely fail, but a bad motor can be costly to fix.

Motor quality can be hard to judge, but generally you can feel it when the grinder kicks on. Motors will sound consistent and strong if they are of good quality. You should also notice some torque when it comes on as well.

The other aspects of a motor are volume, speed, and consistency. Noise reduction can be achieved with baffling and other techniques, but speed and consistency are all in the motor! You'll want a motor that works fast, but stays consistent with it's grinding. This is fairly easy to achieve with home grinders, but often techniques like gear reduction will be used to manage speed and consistency on commercial machines.

What's next?

Next week we'll dive even deeper and discuss all of the odds and ends that put grinders over the top. Join us then, and remember to make coffee you love!

 

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