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28th August 2021, 03:11 PM #1Member
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How to clean a loaded coarse (120 grit) shapton ceramic stone?
I would be grateful for some tips on how to clean a loaded Shapton 120 grit ceramic stone. One side is OK but the other has a glazed quality . I looked around on the net but surprisingly I didn't find much on cleaning loaded ceramic stones.
ThanksMan can wait long time with open mouth for roast duck to fly in!!
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28th August 2021 03:11 PM # ADSGoogle Adsense Advertisement
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28th August 2021, 04:03 PM #2SENIOR MEMBER
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- Dec 2012
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- Australia
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Are you able to flatten it? I use a nanohone lapping plate but a diamond lapping plate or even sandpaper on a piece of float glass or similar would work.
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28th August 2021, 04:20 PM #3Member
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- Oct 2005
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- Mid North Coast NSW
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Hi , Yes I have a DMT diamond 600/320 grit. maybe I need something a little coarser? Or patience . It definitely raises slurry but does not appear to be affecting the loading .
Man can wait long time with open mouth for roast duck to fly in!!
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28th August 2021, 05:21 PM #4
some observations ...
the Shapton 120 can be used as either an oil stone or a water stone -- at least that is what the packaging says.
were you using oil or water to carry the swarf away?
or did you use the stone dry? The packaging says you shouldn't use a Shapton stone dry.
I acquired a 120 Shapton about two months ago. It is a very coarse stone. I've been using glass cleaner as a lubricant / swarf lifter.
Cleaning the 120 Shapton is usually done by flattening it using a diamond plate. I suspect that coarse (80 or 120 grit) wet or dry silicon carbide abrasive stuck to a glass plate will also work, but as I have a suitable diamond diamond plate I use that.
To flatten the stone, use the diamond plate, or 80 or 120 grit wet and dry, with plenty of water. I use the kitchen sink and wash the stone residue down the drain.
The side effect of flattening the stone will be getting rid of the glazing.Last edited by ian; 28th August 2021 at 05:33 PM. Reason: some days my grammar is appalling, as is my spelling
regards from Alberta, Canada
ian
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28th August 2021, 05:50 PM #5GOLD MEMBER
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- Nov 2012
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- SE Melb
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I have the same 120 grit stone, its got a nice feel to it. If you want to roughen or flatten the stone, diamond stone of similar grit is the way, I manage with a 250 grit stone, it seems to work OK, I also use a sanding cleaning stick if all I want is to remove the "glaze" which is basically loaded with steel swarf. some people say this rust eraser is pretty good.
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29th August 2021, 12:42 AM #6
I've one of these 24 grit Naniwa blocks.
Its like a little block of sintered cement!
s-l500.jpg
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29th August 2021, 08:42 AM #7I now have 3 sheds
- Join Date
- Aug 2010
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- Soldiers Point, NSW
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- 60
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- 185
Wow WP, how did you decipher the description before you bought the naniwa whetstone? I did have a bit of a chuckle to myself when I read it. For those that haven't looked at the link I copied and pasted the description below.
100% Authentic! All packages are shipped directly from Japan!
Size: 170 �~ 55 �~ 30mm
particle size: extra fine th # 220
Fixed indentation wherein
wheel. If the care of
range receive may use the
gold steel sand, you finish the more clean quickly.
specification
grain size: # 220 (ultra fine eye)
grinding wheel size: 170 �~ 55 �~ 30mm
Regards
Twosheds
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12th September 2021, 01:31 AM #8Novice
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- May 2021
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- SA
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- 24
Or... keep one side glazed and use it to finish! Passing the hanging hair test off a coarse stone (120) | Kitchen Knife Forums
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12th September 2021, 07:17 AM #9Senior Member
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- Jan 2006
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- United States Of America
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- 194
Use a flat diamond sharpener / plate. Whatever you use to cut and flatten should harder than the stone being cut.
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