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I found out that DE-250 smaller than DF-250 and DC-250 during sharpening knife. I measured its diameter with a caliper and found that to be true.

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Hello.

I don't use T-2. But my customers claim that diamond wheel grind jig.

What could be causing the problem?

Sharpco,

I am pleased, but not surprised, that Tormek is providing excellent service.
Incidentally, was your wheel broken in for the photo?

Ken

PS Your knife showed the excellent bevel control I would expect from your work.
Well done!

Hello Ken,

Thank you.
"Break in" was not matter. I think that the diamond wheel should make uniform scratch pattern even at new.

Tormek acknowledged the issue(wobble) and agreed to replace it. I had a great experience with the DC-250 and DF-250, so I'm looking forward to the new DE-250.

Maybe the uneven scratch pattern is due to the diamond break-in not having happened yet. I found this effect to be most noticeable on the DE, as the scratch marks left byt the protruding diamonds would stand out.

I used a CBN wheel #1000 before, but there was no uneven pattern.

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Hello everyone,
I decided to use a diamond wheels. DC-250, DF-250 was fine. But DE-250 has some problems. I found uneven scratch pattern after using DE-250. Of course I sent this image to Tormek. But umfortunately, they didn't understand what the problem was.

That wasn't the only problem.

Wobbling.

I trust Tormek's quality control very much and have never been disappointed. Except for the diamond wheels. I hope the quality of the diamond wheels improves.

Hello.
I found this video. What do you think about it? I guess the CW-220 will work properly when used with the Tormek diamond wheels.

So? What?  Would you have complained if Tormek had said "up to 9.2mm?  It is what it is, be happy that it does what its primary purpose is - self centering - up to 9.2mm.  If you can't be happy with that, take initiative, substitute longer screws. 

Rick

This is instruction of KJ-45.
As you can see, jaws have to contact with surface of blade. So if there is no bevel(e.g. scandi grind), jaws must be parellel.

"The KJ-45 Centering Knife Jig centers knife blades up to 10 mm thick."
(https://tormek.com/en/products/grinding-jigs/kj-45-centering-knife-jig)

How???

The knob shown in the picture was fully tightened.

Easily clamped an object 9mm wide...



... I don't understand...   

Hello.
The jaws of your jig are not parallel.

Personally, I get to a maximum of 9,2 mm. But then it does not clamp optimally. Then I have to go back to 6 mm.

Hello.
The jaws of your jig are not parallel.

How what?  I don't understand your question.

Sorry.

Tormek said KJ-45 can be used at 10mm thick blade, but I found it's impossible.

"The KJ-45 Centering Knife Jig centers knife blades up to 10 mm thick."
(https://tormek.com/en/products/grinding-jigs/kj-45-centering-knife-jig)

How???

The knob shown in the picture was fully tightened.

If it isn't very high abrasive resistant steel(e.g. CPM-S110V), I don't care. Remember, honing is the most important stage. I do it with freehand on the leather wheel. And as final finish, I strop it with very find diamond emulsion(e.g. Jende 0.25micron or Gunny juice 0.25micron)

Here is result
https://www.youtube.com/shorts/f6_DOwLmoag

The 2nd link in my signature is a website that shows every calculator I know of to date.

Thank you very much, cbwx34.

Then what do you mean by "the same way" ?

Oh! I could find what I want on his list. Thank you.