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12-31-2010, 06:43 AM #1
I've used the Ha no Kuromaku 12k, and i prefer the naniwa stones. I had a lot of trouble with stiction on mine, and it felt like the particle distribution was uneven...the swarf was concentrated in little points, rather than evenly spread across the stone.
As far as I can tell, the ha no Kuromaku are the same stones as the pros. they have the same specs and color scheme, anyway.
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12-31-2010, 07:33 AM #2
Thanks Jim. I'll try & borrow these again & watch for the things you mentioned but IIRC my little Genco test razor honed nicely with no stiction. I must try a wedge tho.
“The white gleam of swords, not the black ink of books, clears doubts and uncertainties and bleak outlooks.”
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12-31-2010, 02:57 PM #3
me too.
Ha no Kuromaku (AKA Shapton) are developed for woodworking tools
like planes and chisels
they are very good for this role, because they keep the form better than other artificial stones (but glazes)
finest Shaptons like 8000, 12000 and 30000 are not as good as natural japanese stones (=jnats) while their price is comparable to jnats
As for edge finishing I'd definitely prefer jnats.
Jnats give better edge holding, better control while sharpening and so on
Curently I sold both my Shaptons 12000 and 15000 (same as 12000 but for USA market) and got some more jnats ( thanks to JimR )
Comparing NANIWA Chosera and Shapton Pro I think NANIWA is better for general sharpening (knives, etc), while Shapton Pro are better for woodworking tools (if you use sharpening withhoning guide (fixture).
So I bought a bunch of NANIWAs for primary sharpening and jnats for finishing.
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12-31-2010, 05:07 PM #4
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Thanked: 3795Maybe this should be moved to the Hones section?
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onimaru55 (12-31-2010)
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12-31-2010, 06:23 PM #5
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Thanked: 8I use a sigma power 120 grit. It cuts fast regardless of the type of steel. It's perfect when you have a pile of tools that all need new bevels angles. I would not use it on a razor though--unless I needed to remove a very deep nick.
My next investment is going to be a sigma 8k. According to tools from japan, you can jump from 1k to 8k without problems--it would really simplify my sharpening process.
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12-31-2010, 06:27 PM #6
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12-31-2010, 06:45 PM #7
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12-31-2010, 06:50 PM #8
I haven't tried that so I can't say anything from experience. I would think you would have to spend a lot of time on the finisher to make up for skipping the intermediate stones ?
One more thought, Sham (hi_bud_gl) and I were talking once and he pointed out that if you go to an Escher or an expensive J-nat, coticule ..... whatever finisher, you are wearing the expensive stone with work that could be accomplished with a cheaper and easily replaceable synthetic. Made sense to me and I've changed my honing practices accordingly.Be careful how you treat people on your way up, you may meet them again on your way back down.
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Utopian (12-31-2010)
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12-31-2010, 06:32 PM #9
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The Following User Says Thank You to JimmyHAD For This Useful Post:
onimaru55 (12-31-2010)
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12-31-2010, 07:06 PM #10
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Thanked: 8I was mainly interested in jumping from 1k to 8k on knives and chisels, but I'm going to try it on my razors too.
I'm hoping that going from 1k to 8k with the sigma will decrease honing time. If it turns out using a 4k intermediate stone is faster, then I'll stick with my current system. Also, there are some stainless knives that my shaptons wont touch. I end up having to switch to dmt's for those. If the sigma 8k works equally well on the types of steel the 120 grit sigma works on, I wont need to switch hones for different types of metal.