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Thread: kamisori honing advice needed

  1. #1
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    Default kamisori honing advice needed

    A while ago I picked up this kamisori for cheap, because I wanted to try one but didn't want to spend much. It needed to be honed, and I figured I was up to the challenge because I've successfully honed my Hoshi Tombo 6000, which has an asymmetrical grind.

    Anyways, once it was on the 1k, I noticed that the toe on the back side wasn't making contact. There's a fair amount of hone wear, which doesn't help. In the photo, hopefully you can see the spot I mean, it's darker because of the marker test.

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    If this were a normal razor I'd do a rolling x stroke, but that doesn't seem to work with this grind. And in order to make the two bevels meet, it seems to me that I'd need to take off an awful lot of metal. Unless I did a weird stroke with the spine off of the hone, which I'm not really willing to do.

    So how would you overcome this problem? Is it possible to fix?

    If it's not realistic to hone it out I won't be too broken up, I spent very little money on this razor. But it would be a shame, nonetheless.

    Thanks!

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    Gatling-Gun Jerry Gasman's Avatar
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    Incant help ya as i havent learned much about these besides how to shave with them. But Glen, Oz and Jamie know. It just might be a bit before they show up. Good luck. I will be watching to learn.
    It's just Sharpening, right?
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    At this point in time... gssixgun's Avatar
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    Are those Flat spots from honing???

    It looks as though, from the Chattering marks on the face somebody did a "Japanese Regrind" on it
    rolodave likes this.
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    Yes, I suppose the flat spots are hone wear, pretty substantial.

    Iím not really sure what you mean about the Japanese Regrind. Iím obviously not an expert on kamisoris, but many Iíve seen are quite rough looking on the back sides, even if the front looks perfect, so I didnít think too much about this one.

    But the hone wear is not nearly as concerning to me as the bevel at the toe, which is not in line with the rest of the razor.

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    Gatling-Gun Jerry Gasman's Avatar
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    I've read there is a way to cut the hollow out so that you don't have as much flat. This might be what Glen is talking about. I see those on eBay all the time too. Don't know enough to pull the trigger and repair one.
    It's just Sharpening, right?
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    At this point in time... gssixgun's Avatar
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    The hone wear is what is causing your issues with the bevel not hitting even

    Reginds

    Mostly when one of us regrinds a razor we use a 2x72 Belt Grinder and whatever size wheel we can get to match the grind as close as possible, a "Japanese Regrind" is done with a tool called a Sen, when it is used on Hardened steel you get that Chattered look in the hollow..

    I do not know if that Kami can be Reground again using a belt, I am pretty sure you can add 2-3 layers of tape, maybe even using some imaginative taping to get the bevel sitting even again to get a Shaving edge back

    Tape is cheap and easy, a regrind is expensive and iffy

    I have two different Kamisori honing vids on my channel, one is for an easy straight forward Kami, the other gives some tricks on how to get one shaving that is "Off"

    here




    I hope that helps but feel free to ask more questions as you go..
    Last edited by gssixgun; 12-19-2019 at 08:52 PM.
    rolodave and Gasman like this.
    "No amount of money spent on a Stone can ever replace the value of the time it takes learning to use it properly"
    Very Respectfully - Glen

    Proprietor - GemStar Custom Razors Honing/Restores/Regrinds Website

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    The First Cut is the Deepest! Magpie's Avatar
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    I have successfully honed a kami using tape only on the one side, rather than attempt to restore the "hollow" to it. Thinking about it makes me want to experiment with ALL my razors with a bit of "funk" to them, using one layer of tape on one side, 2 layers on the other etc..
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    The Great & Powerful Oz onimaru55's Avatar
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    Normally Sen marks run horizontal with the blade. My guess is that one's been on a coarse belt or grinder as well.
    Once too much of that soft iron layer is gone you may as well hone it like a knife. Even with normal honing you can use finger pressure on the edge to save the spine & soft iron laminate. Yes that's more a tool/knife technique but it works due to the geometry of kami.

    The trouble with hollowing out these worn out kami is that the big fat spine/ridge bevel you have there is the only thing that's keeping the edge on the stone. Once hollowed the big bevels will start to reappear as you hone because the razor is getting thinner & also, it's already lost some width.

    Here's one my mate So Yamashita hollowed for me. You can see my honing marks are already starting to show in the hollow & it will flatten again before too long.

    The thing is they can still shave a treat if you can get an edge on them.
    Attached Images Attached Images  
    Last edited by onimaru55; 12-19-2019 at 09:49 PM.
    It ain't what you don't know that gets you into trouble. It's what you know for sure that ain't so..

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    So thereís hope! Good to know, and thanks everybody!

    Iíll try the tape option. Like I mentioned, it wasnít an expensive razor by any means, it was meant for experimentation, so I donít feel itís worth investing in a regrind.

    Hopefully Iíll come out of this with some knowledge and experience that will give me confidence to invest in a kamisori thatís in better condition.

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    Gatling-Gun Jerry Gasman's Avatar
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    Is it possible to put some sandpaper around a wooden dowel and sand the hollow back into it as long as you stay off the bevel?
    rolodave likes this.
    It's just Sharpening, right?
    Jerry...

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