Japanese Knives Random pictures of knife sharpening and refinishing we do

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here's an example of the kind of refinishing we can do to even a simple ho wood handle

[video]https://www.facebook.com/JapaneseKnifeImports/videos/10153796391188860/[/video]
 
here are few more from this morning...

before and after of custom takeshi saji gyuto (a lot of thinning, adding of distal taper, and refinishing)...

Etxr8D.jpg


13244166_10153800723138860_4869222652238453849_o.jpg


Takeda after thinning:

(side by side with an untouched takeda... not the same one, but i forgot to take a before pic, and the bevels of the thinned one were actually smaller than the one i pictured on the left for reference)...

13227592_10153800834363860_4348386093568198010_o.jpg


and some more pictures of the takeda after thinning (and etching for fun)...

13254929_10153800767703860_8767929542927348056_o.jpg


13064665_10153800770618860_5322830473268790859_o.jpg
 
On can actually see that you did distal taper on the takeshi saji gyuto - the damascus pattern changed. But should not one actually call that 'advanced stock removal' with that amount of work done? :)
 
On can actually see that you did distal taper on the takeshi saji gyuto - the damascus pattern changed. But should not one actually call that 'advanced stock removal' with that amount of work done? :)

whatever you want to call it, it was a ton of work
 
That choil shot of the Takeda...wow!
Go back 2010 or around that time, is that what his grind looked like OOTB?
Jon is the go-to pro for thinning. No way I could do this on stones, alone, without
ending up with a zero grind and no convex.
Could someone with an early Takeda's post their choil shot for comparison?
 
That choil shot of the Takeda...wow!
Go back 2010 or around that time, is that what his grind looked like OOTB?
Jon is the go-to pro for thinning. No way I could do this on stones, alone, without
ending up with a zero grind and no convex.
Could someone with an early Takeda's post their choil shot for comparison?

here's a picture of one from 2008 (not my sharpening, but answers your question)
TakedaProfileShots006.jpg
 
Jon,
A hallmark quality comes across in this choil shot...flexible but sturdy. Only in what I've read, but it makes sense when looking at the grind. Have metal in all the right places, and leave out where not needed.
A few days ago, I made an order to Shosui. He promptly responded. I had found this photo on line and used it as an example. Shosui makes a very favorable impression of wanting
to please. I don't mind having to wait the customary period when making a direct order. The hard part is calming down from sheer excitement, and toes crossed about expectations.
Thanks for the postings on the Takeda.
here's a picture of one from 2008 (not my sharpening, but answers your question)
TakedaProfileShots006.jpg
 
after handle and saya cleanup and some sharpening to get this set up for initial use (we do this kind of work to all of the Jin knives we sell when we sell them, unless the customer requests otherwise)...

13248366_10153814365058860_2121093844354932133_o.jpg


13268091_10153814350723860_2337519608867648784_o.jpg


cleaning up and sharpening of a knife (was a pretty badly scratched up and patina-ed mirror finish):

13320924_10153814244208860_1678171091331323867_o.jpg
 
more takeda stuff (i've got about 4 more to get done this week still)

after thinning, applying a black oxidized finish to replicate the look of KU, and etching the edge (i hadnt sharpened this one at the time the picture was taken... i took it to demonstrate the finish in a different thread).

13340260_10153818914888860_1204427276232631010_o.jpg


and a choil shot:

13304983_10153818916488860_9030401278806640058_o.jpg
 
Jon,
A hallmark quality comes across in this choil shot...flexible but sturdy. Only in what I've read, but it makes sense when looking at the grind. Have metal in all the right places, and leave out where not needed.
A few days ago, I made an order to Shosui. He promptly responded. I had found this photo on line and used it as an example. Shosui makes a very favorable impression of wanting
to please. I don't mind having to wait the customary period when making a direct order. The hard part is calming down from sheer excitement, and toes crossed about expectations.
Thanks for the postings on the Takeda.
Don't want to pollute Jon's thread but I admire your optimism.
 
Jon, when you're thinning the Takeda's, are you just using the same technique you demonstrate in your thinning video? Or are you doing anything else to deal with the shoulders?
 
Jon, when you're thinning the Takeda's, are you just using the same technique you demonstrate in your thinning video? Or are you doing anything else to deal with the shoulders?

Same stuff... Different tools (I use a large water wheel). Also, shoulders aren't really an issue at the acute angles I thin at, but they are still there
 
Thanks Jon. Out of curiosity, why aren't shoulder's an issue at acute angles?


Same stuff... Different tools (I use a large water wheel). Also, shoulders aren't really an issue at the acute angles I thin at, but they are still there
 
A spine is a shoulder at an acute angle.
 
Thanks Jon. Out of curiosity, why aren't shoulder's an issue at acute angles?

Same reason this makes sense and makes me laugh a bit:

A spine is a shoulder at an acute angle.

Shoulders become an issue when they cause excessive pressure to be exerted against foods and wedge... when the angles are more acute, this doesnt really happen. If the thinning was a bit less acute, the top of the thinning would still be thick enough to cause wedging, and smoothing over the bevels would make more sense.
 
aha...that makes sense! Thanks!

Same reason this makes sense and makes me laugh a bit:



Shoulders become an issue when they cause excessive pressure to be exerted against foods and wedge... when the angles are more acute, this doesnt really happen. If the thinning was a bit less acute, the top of the thinning would still be thick enough to cause wedging, and smoothing over the bevels would make more sense.
 
refinishing a mirror finished honyaki in blue #2

13308755_10153825665358860_6790646096476918452_o.jpg


and a couple more shots to show off different things on the same knife...

first up, the hamon:

13305233_10153825666423860_7840331770524988310_o.jpg


and second up, the mirror finish:
13320658_10153825670943860_3375440335829601163_o.jpg

(happy national donut day)
 
yeah... they just got here today... havent had time to open up the package yet, so i'll be in touch tomorrow
 
finishing up a shigefusa mukimono today (well, i have the back to do tomorrow, but almost there)...

After a lot of hand sharpening and polishing up to an almost mirror finish (and with a mirror finish along the entire bevel), we used finger stones to polish and create contrast
13422257_10153835244758860_1367354813642067573_o.jpg


The result along the edge... the rest of the knife has not yet been polished
13323371_10153835246143860_8734820368702347312_o.jpg


After polishing the rest of the knife... we use different stones and powders than we do with the edge, so they dont all blend together and look uniform
13392105_10153835256638860_1390893236260822763_o.jpg


Another view (and semi-selfie i guess)
13415368_10153835257968860_6150060144149581223_o.jpg
 
finishing up a shigefusa mukimono today (well, i have the back to do tomorrow, but almost there)...

After a lot of hand sharpening and polishing up to an almost mirror finish (and with a mirror finish along the entire bevel), we used finger stones to polish and create contrast
13422257_10153835244758860_1367354813642067573_o.jpg


The result along the edge... the rest of the knife has not yet been polished
13323371_10153835246143860_8734820368702347312_o.jpg


After polishing the rest of the knife... we use different stones and powders than we do with the edge, so they dont all blend together and look uniform
13392105_10153835256638860_1390893236260822763_o.jpg


Another view (and semi-selfie i guess)
13415368_10153835257968860_6150060144149581223_o.jpg

Incredible Jon! I plan on passing by this week to drop off a Kato so you can work your magic on it lol
 
i've got a few huge projects in line before you... are you ok if it takes me a few weeks to get to it?
 
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