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Flattening Shapton Glass EP and OEM EP Stones?

Mon Dec 17, 2012 11:15 am

Have the Apex 4 Edge Pro Set (120/220/400/600/1000) stones.

Am upgrading/adding the Shapton Glass (320/1K/2K/4K/8K) EP stones.

Also have regular full size (non EP) Chosera 600 / 1K / 5K stones.


Is there 1 plate (ATOMA or DMT) that is suitable for flattening them all? Or will I require 2 separate plates?

Been looking at the ATOMA 140x or 400x or some of the DMT plates.

Re: Flattening Shapton Glass EP and OEM EP Stones?

Mon Dec 17, 2012 2:26 pm

I'd just make sure to buy a full size plate....i.e. roughly 8" x 3"

I'd get the 140 Atoma or the DMT XXC....with my preference towards the Atoma but based purely on others reviews I trust. I have the DMT and debate often whether to spend money on a new Atoma.

Re: Flattening Shapton Glass EP and OEM EP Stones?

Mon Dec 17, 2012 6:07 pm

You don't need two flattening plates. The DMT XXC or the Atoma 140 will be capable of doing the chore you need for ANY of the stones you may ever have.

Re: Flattening Shapton Glass EP and OEM EP Stones?

Mon Dec 17, 2012 7:06 pm

I keep hearing that the Atoma 140 will scratch and groove any stones over 1K and that most use an Atoma 400 or DMT C for finer grits...

Re: Flattening Shapton Glass EP and OEM EP Stones?

Mon Dec 17, 2012 10:16 pm

Not in my experience.

Re: Flattening Shapton Glass EP and OEM EP Stones?

Tue Dec 18, 2012 2:06 pm

Perhaps when the plate is very new that is more true. But, once the plate (at least in the case of the DMT XXC) is broken in I can and do use it upto my 10,000 grit Naniwa SS.

Re: Flattening Shapton Glass EP and OEM EP Stones?

Wed Dec 19, 2012 2:28 am

I never use anything but a XXC on all my stones. There is no reason to use finer grit plates that I can figure. As Adam said the plate needs to be broken in (just flatten a couple lower grit stones and your good) but after that it works great and any scratches that are imparted on the stones are not transferred to the finish of the knife.

Re: Flattening Shapton Glass EP and OEM EP Stones?

Wed Dec 19, 2012 9:56 am

Get the 140 Atoma, and put abrasive film (the type with adhesive backing) to the back of the plate to refine the 140 scratch pattern. I have a 140 with a 600 grit film on the back. Works great!

Re: Flattening Shapton Glass EP and OEM EP Stones?

Wed Dec 19, 2012 3:34 pm

Where do you get these "films"? I have never seen one? Link?

Re: Flattening Shapton Glass EP and OEM EP Stones?

Wed Dec 19, 2012 4:15 pm

I get mine from Lee Valley. 3M makes them.

http://www.leevalley.com/en/wood/page.a ... at=1,43072
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