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What to use to flatten high grit stones

Tue Mar 05, 2013 12:32 pm

Hi,

I use an Atoma 140 plate to flatten all of my stones. This includes my Chosera 10K and Shapton 15K. (What I do is flatten the stone using the Atoma 140 and then rub them for a while against a lower-grit stone, for example the 10K Chosera against a 5K SS.)

I wonder whether using the Atoma 140 is the best solution for this. Or is it better to use a higher-grit Atoma?

Re: What to use to flatten high grit stones

Tue Mar 05, 2013 4:34 pm

I'm wondering something similar. I ordered the DMT XXC yesterday to do the same thing with my edge pro stones.

Re: What to use to flatten high grit stones

Tue Mar 05, 2013 5:37 pm

I do all my stones on a DMT XXC, EP and freehand. If I ever wear it out, I'll be doing them all on an Atoma 140. I can't bring myself to pop the wallet for an Atoma now when the DMT still does the job very well. I have not found the need to use a finer plate or stone on any of my stones following the DMT either.

Re: What to use to flatten high grit stones

Wed Mar 06, 2013 11:38 am

I use a 1200 grit atoma. On the back of it you can adhere a 4 micron film.

Re: What to use to flatten high grit stones

Wed Mar 06, 2013 6:21 pm

I use a DMT XXC to flatten my 1,000.....then use the 1,000 to flatten anything finer.

Re: What to use to flatten high grit stones

Thu Mar 07, 2013 10:36 am

Hey Adam,

Your 1000 ... what? A waterstone?

Re: What to use to flatten high grit stones

Thu Mar 07, 2013 2:35 pm

Sorry, yeah....in this case either a King Hyper 1k or Bester 1200.

If the higher grits are well dished, I'll flatten them with the XXC first and then smooth the surface with the 1k waterstone. Just keep them well wet...they can get stuck together with some force.

Re: What to use to flatten high grit stones

Thu Mar 07, 2013 5:04 pm

MARK <> I use an Atoma 1200, but I LOVE Michiel's idea of a 5k diamond film mounted on it's back to smooth out the 1200 scratch pattern.

Re: What to use to flatten high grit stones

Thu Mar 07, 2013 8:52 pm

I use a xxc for all flattening up to 10K. I don't usually sharpen above that and switch to strops.

I answer this question more than almost any other.

Scratches on a stone don't impart or transfer to the edge as far as I can tell. Even if they do I don't have a problem getting my knives screaming sharp without using other plates or stones to massage the surface after my dmt.

The atoma is flatter and the matrix they use is smoother. The downside is cost and it seems to get a little rusty if you don't dry it after use. I like it better for other stuff like metal removal, chip and tip repairs etc but for flattening which I consider donky work I use the dmt.

Re: What to use to flatten high grit stones

Thu Mar 07, 2013 9:14 pm

"Donkey work".....I like that.
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