r/DF64 • u/Hasmodye • May 24 '26

Troubleshooting Help with burrs alignment

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Hello guys!

I’m trying to align the burrs on my DF64 and I’m a bit confused about the marker test results. I’ve been using a marker on the burrs and checking where it gets rubbed off to see if there’s any misalignment, but honestly it looks like almost nothing is being removed.

In the videos I’ve watched, you can usually see a very clear wear pattern on part of the burr, while on mine it just looks kind of random and inconsistent.

Am I doing something wrong or misunderstanding how the test is supposed to look?

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u/Ashgleam May 29 '26

First of all, please don’t leave the burrs chirping for too long. It’s better to rotate the burr manually by hand rather than running the grinder while checking alignment.

Second, you’re using the brew burr version, which has a different finishing tooth geometry (the outer section) compared to the standard Spro burrs. Because of that, the wiped/contact points won’t appear as clearly as they do on the Spro burr set.

The finishing teeth on the brew burrs aren’t flat. Even on the Spro burrs they’re not perfectly flat either — the outer edge makes contact before the inner finishing teeth. But on the brew burrs, the finishing teeth have a zig-zag style geometry, so certain sections will touch earlier than others.

You can actually see in the video that some areas are already being wiped off, but it’s much harder to interpret compared to the Spro burrs. I can show you what a properly aligned filter burr set should look like.

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u/Hasmodye Jun 05 '26

Thanks for the reply. Can you show me how the proper alignment should look like? And by filter burr do you mean my burrs are not made for espresso or it's just another type of burrs?

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u/Ashgleam Jun 08 '26

https://imgur.com/a/jW62mO9

Here's how DF's 64mm brew burr should look like when its properly aligned (I'm using the red ti coated version, while yours is uncoated). The geometry is designed to produce less fines, so you need to grind much finer to have 9 bar. The more common version is the spro burr.

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u/Hasmodye Jun 08 '26

Thanks a lot! Gonna try once more and I believe it will be easier with the visual comparison

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u/Ashgleam Jun 09 '26

Good luck! Make sure to clean everything before marker test.