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Thread: Ozuku asagi (koppa)
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02-27-2012, 08:57 PM #1
Ozuku asagi (koppa)
this is one of my new j-nats its a Ozuku asagi (koppa) it s 5 3/4 in. long and 3 1/4 in. wide 3/4 in. thick enjoy
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02-27-2012, 09:03 PM #2
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Thanked: 1263I'd almost want that on my coffee table just to look at. Nice looking stone..congrats
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10-29-2015, 10:56 AM #3
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Thanked: 168How are Ozucos compared to nakyama Kiita asagi stones . i know that they varie but the main opinion for them is ........
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10-29-2015, 11:11 AM #4
RusenBG,
I think you will have to get into the WABAC machine to get the OP's answer.
"Call me Ishmael"
CUTS LANE WOOL HAIR LIKE A Saus-AGE!
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10-29-2015, 01:27 PM #5
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Thanked: 458is that from CKTG?
I had an ozuku koppa (I still have it in small pieces) that was from CKTG and it was so dense and hard that it could work through about any range. The only issue was that you couldn't just hone on it with clear water very long or it completely stopped cutting.
For the $70 or whatever it was, though, you could find a nagura and work an edge and then polish it and have a really nice result.
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10-29-2015, 01:30 PM #6
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Thanked: 458Depends on how soft the nakayama stone is, but they have a bit different feel than any nakayama stone I've used. Smoother and slower cutting. If your kiita is like most kiita stones, meaning a bit softer and smoother than many finishers, ozukus are usually bullet hard. Some are more of a plate for a nagura than necessarily a very good stone to use by itself.
I've got one (ozuku) for tools, too, that's a little less dense, and it is also extremely hard despite being a little too coarse for razors. Tools tolerate that hardness a little better, though, especially if they have a soft lamination - the lamination will keep the surface of a stone a little more fresh.
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10-29-2015, 05:19 PM #7
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Thanked: 168i have 2 kiitas 1 - level 4 and 1 Ultra hard = I have DMT and Jasper slury stones so i will raise a slurry dont worry , the only thing i whant to know is a slurry speed and finess of those stones
If is slow like C12 K but far more fine i agree , but if it is the same cuting power as PHIGS i dont need another phig
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10-29-2015, 05:34 PM #8
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Thanked: 458If you raise a slurry with a diamond hone, it is strong cutting and harsh. All of the jnats are pretty much the same combination of aluminum oxide (15-20%) and silicon dioxide (60-65%), I think it's more a matter of how the stones work under an abrasive slurry, and how they work without the slurry. (as in, I don't think the harsh has anything to do with the abrasiveness of the particles themselves, but rather with how they interact with the stone surface being so hard).
I found mine to be a bit harsh like a very hard nakayama can be sometimes if you raise an aggressive slurry with it, but it is capable of a fine edge, too, if you work it right.
And just like a hard nakayama stone, if you raise a slurry that's not too wet, you can make the cut very aggressive.Last edited by DaveW; 10-29-2015 at 05:49 PM.
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10-29-2015, 08:00 PM #9
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Thanked: 168When the slurry get sticky it cuts a lot . I make a diamond plate slurry and work it and after 60 circles and 20 xstrokes it is very fine , already = i use my ultra hard jasper sluryes when i touchup to raise a faint slurry and a fine one .
But there is a diference between a Kiita slurry and the carasu slurry - i think so .