Do Coffee Grinders Need Sharpening?

Yes, you need to sharpen the blades of your grinder monthly. The frequency can be more or less depending on how often you use the grinder.

When the quality of your coffee declines or the consistency of the coffee changes, it’s time to sharpen.

This means that if you’re not using a quality blade for your coffee maker, you’ll notice how quickly it becomes dull and slows down.

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It’s important to keep in mind how often you use your machine so that you can maintain its sharp edge.

Beforehand, you need to read your manual. This will tell you how often the grinder should be sharpened, and what kind of blade it has.

Grinders with a steel blade can grind coffee beans without getting dull or requiring too much pressure on the handle, but they are more expensive than plastic blades which tend to wear out quicker.

How Do You Sharpen Coffee Grinder Blades?

There are two methods you can use to sharpen the grinder blades. One, use the normal manual sharpening method and using rice.

The manual method involves disassembling the grinder and accessing the blades to sharpen.

The other one is using rice. This method is faster. Moreover, it not only sharpens but also cleans the coffee grinder blades.

All you do is grind grains of rice. Here’s an article from Home guides for a detailed procedure.

Steps to Sharpen Your Coffee Grinder Blades Manually

If you think your grinder needs sharpening, take the following steps:

Remove any coffee beans or grinds from inside the grinder before taking it apart.

Unscrew the screws and remove the blade cover.

Carefully inspect the blade for metal wear (around corners) If there is noticeable damage to a corner of the blade then it needs to be sharpened

Sharpen the blade.

Replace the blade cover and tighten the screws.

After this, run a few test grinds in a coffee pot or grinder jar to make sure it’s working properly again.

It should look like powder-coated sand when done well! If not then you may have missed some steps; go back to step one and check again.

Don’t forget to clean your grinder before using it next!

How Often Should Coffee Grinder Burrs Be Replaced?

A typical coffee grinder has two burrs to grind the beans. These burrs can quickly become dull and need to be replaced periodically.

If the burrs on your grinder are worn down or broken, they’ll do more harm than good. That’s why we recommend replacing them every six months.

Coffee grinders are a very important part of the coffee brewing process. The grind determines how coarse or fine your coffee will be.

They can range in price from $5 to $500. If you use the grinder often, you must replace burrs regularly so that they continue to work as efficiently as possible.

Here’s a video showing how to change your coffee grinder burrs:


With frequent use, the blades of the grinder need sharpening and cleaning. The two methods of sharpening include using rice and manual sharpening.

You also need to replace the burrs of the grinder to maintain the quality of your coffee. Also, check out the Common Coffee Maker Problems.


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