How To Lansky 4-Rod Turn Box

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kar120c

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Sep 26, 2012
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As a first tool for sharpening I bought a lansky Sharpner, not the classic kit with the clamp and the rods, but the one with the wooden support and the four holes to put the rods at 20 or 25°
https: // lansky.com/index.php/blog/how-use-lansky-turn-box-sharpeners/#.W3HzXfZuKUk

I'm doing the first tests with low quality blades, a Ganzo G720 and a Mtech and although I can get results, doing the classic test with the sheet of paper, I can not sharpen like a razor.

I have done many steps even using the diamond rods but beyond a certain point I do not go. I would not exaggerate and eat the whole blade. Normally, how many passes can be used for a 440 blade, not damaged but only to be sharpened?
 
its an angles game.

if you aren't reaching the apex, the number of passes doesn't matter.
I'd suggest using a sharpie to color the bevel of the knife and run a few passes on both sides. Then look at the edge under some magnification to see where the sharpie is being removed. if its not removing the color from the very apex of the edge, then it is not going to get sharper.
 
l1ranger said:
its an angles game.

if you aren't reaching the apex, the number of passes doesn't matter.
I'd suggest using a sharpie to color the bevel of the knife and run a few passes on both sides. Then look at the edge under some magnification to see where the sharpie is being removed. if its not removing the color from the very apex of the edge, then it is not going to get sharper.
Click to expand...

AMEN!!! When I learned that Sharpie trick a few years ago it sure showed me a lot of what I had been doing wrong. And you might think that hitting the apex is easy but it's the other way around. Because there are times you'll swear you are hitting it and abrading it but yet you might be 2 millimeters off and that's all it would take to make all of your work in vain like "1ranger" just stated.

That's another reason I love Spyderco's 204 Sharpmaker and their GOLDENSTONE as much as I do because the angles are preset and the chance of missing the apex are greatly reduced. Also that's why I even shapen my Spyderedged blades ( serrated) with Spyderco's 701 Profiles and I even use a Sharpie when I'm sharpening Spyderedges. All you need is about a 10X jeweler's loupe to see first hand how you are doing. Now you will get better at it as time goes on. But don't take it for granted that you are hitting the apex because you can easily miss it by a very small distance.
 
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