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 Post subject: Naniwa ss chipping
PostPosted: Sun Sep 16, 2012 7:47 pm 
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I don't use these often but it seems like every time I use the naniwa ss I am gettting corner chipping after flattening and useing, my snow white doesn't have this problem is this tipical of the superstones and is their any way to stop it because they are good stones and I don't want to abandon them their still 90% left on these btw it's the 3k and 5k that's posing the problem. Peace jmbullman



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 Post subject: Re: Naniwa ss chipping
PostPosted: Sun Sep 16, 2012 10:19 pm 

Joined: Tue May 29, 2012 12:29 am
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You 45 the edges?

Too much pressure?

Sharpening a recurve?


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 Post subject: Re: Naniwa ss chipping
PostPosted: Mon Sep 17, 2012 12:43 am 
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Yes edges are chamfered all around the stones, I am not famous for excessive pressure it's possible for me to do that, I generally use a very medium to light verifying the slurry from heavy to fine. These are the only stones I have a problem with I've had them 2 yrs and it just started doing that but I will say it was a marathon sharpening with excessive amout of soak time. It's just the edges I'll pick the stone out of the water and the edges will be real soft just the corners not the sides or middle. My other naniwa snow white gives no issues at all . Peace and thanks for the ideas that could be causing it. Jmbullman



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 Post subject: Re: Naniwa ss chipping
PostPosted: Mon Sep 17, 2012 2:46 am 

Joined: Tue May 29, 2012 12:29 am
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I had a 12kSS a while back that would chip off if I looked at it funny. I got a 1k Nubatama that just the corner ends chip, and a natural Aoto that gets a new crack every time I put it in water. If you rule out the obvious then I think it comes down to individuality of each stone.


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 Post subject: Re: Naniwa ss chipping
PostPosted: Mon Sep 17, 2012 4:07 am 

Joined: Tue May 01, 2012 9:37 pm
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Aren't the Superstones splash 'n' go and shouldn't be soaked?


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 Post subject: Re: Naniwa ss chipping
PostPosted: Mon Sep 17, 2012 5:10 am 
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Rick wrote:Aren't the Superstones splash 'n' go and shouldn't be soaked?


Yeah, that's my understanding also.. didn't seem like my 8k needed any soak at all



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 Post subject: Re: Naniwa ss chipping
PostPosted: Mon Sep 17, 2012 9:56 am 
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I just checked the website and shaun you were rite I thought they were soakers? Found my problem, that's why I asked. Read directions first and u know we all read directions we we work on something first. Thanks, jmbullman



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 Post subject: Re: Naniwa ss chipping
PostPosted: Mon Sep 17, 2012 11:40 am 
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Jason B. wrote:I had a 12kSS a while back that would chip off if I looked at it funny. I got a 1k Nubatama that just the corner ends chip, and a natural Aoto that gets a new crack every time I put it in water. If you rule out the obvious then I think it comes down to individuality of each stone.


Not sure that you are supposed to soak the Aoto either, but that's stone-to-stone thing. I don't soak mine at all.

James, you know we don't read nuffin' because we are men, and instructions are for people with no imagination. :D



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 Post subject: Re: Naniwa ss chipping
PostPosted: Mon Sep 17, 2012 1:46 pm 
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Amen bro! Thanks for the advice. Jmbullman



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 Post subject: Re: Naniwa ss chipping
PostPosted: Fri Sep 21, 2012 4:16 am 
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The Naniwa Superstones and Choceras should not be soaked excessively and certainly not permanently. I've heard of people doing it, but don't recommend it. Just because George Burns lived to ~ 100 years old and smoked cigars ... well you get where I'm going here.

Also the Nubatama 4k and 6k ume shouldn't be perma soaked but the others seem to be OK. I dont permasoak, so this is just (well not 'just') the feedback I get from my customers that are using it.

Natural stones like various Aoto shouldn't be perma soaked but just wet on the surface. All stones should be gradually dried and not exposed to direct sunlight. In general I wouldn't recommend perma soaking naturals. Some do. I don't. There are exceptions. If you are concerned about cracking, sealing the sides of your stone properly will help.

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Ken



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