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- Nov 18, 2010
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Alright, this question comes up A LOT. How to convex. Belt sander is usually the answer, but it is dangerous, and for those without access to a belt sander, kinda impossible. Then there is the mousepad method with wet/dry sandpaper. It works, and you stand a much better chance of not screwing up your blade, but it can take FOREVER.
Today, I will show you all the very simple way in which I got mine from still being a pretty normal factory edge to convex in around five minutes.
First off, you need three things:
1. Becker Knife. (This will only work with a Becker brand knife. If you try it on another, for some strange reason it will not work. Only works with Beckers.*)
2. Finger.
3. Tropical Shine Colossal collection 220/320 grit blue nail file. This one right here:
http://www.tropicalshine.com/products/colossal/292
These are generally available at most beauty stores, pharmacies, and maybe even Wal-Mart.
So, to convex the edge, hold your nail file in your strong hand, with your finger extending down the length of it, with the tip of your finger resting on the tip of the nail file. Then, holding the nail file at an angle, run it along the edge in the same direction as the edge, following the shape of the edge. See picture below.
When done with that side, flip. The faster you go, the quicker it happens. Use the 220 grit side first, then switch to the 320. If you want, you can get other grits, and use those afterwards to polish up the edge. Stop every few seconds and look how it is going. Go slow if you are not confident in your abilities, or go fast if you are going to honey badger it. After a few minutes, it should be convexed. I used a medium amount of pressure, and the sponginess of the file was enough to keep it very smooth with a nice flow from the primary grind to the edge. I put the majority of the pressure directly on the shoulder of the edge until it was gone. Be careful, you could cut the tip of your finger off if you aren't careful.
That's it. Good luck and godspeed.
* That sentence is completely untrue, but you should buy more Beckers either way.
Today, I will show you all the very simple way in which I got mine from still being a pretty normal factory edge to convex in around five minutes.
First off, you need three things:
1. Becker Knife. (This will only work with a Becker brand knife. If you try it on another, for some strange reason it will not work. Only works with Beckers.*)
2. Finger.
3. Tropical Shine Colossal collection 220/320 grit blue nail file. This one right here:
http://www.tropicalshine.com/products/colossal/292
These are generally available at most beauty stores, pharmacies, and maybe even Wal-Mart.
So, to convex the edge, hold your nail file in your strong hand, with your finger extending down the length of it, with the tip of your finger resting on the tip of the nail file. Then, holding the nail file at an angle, run it along the edge in the same direction as the edge, following the shape of the edge. See picture below.
When done with that side, flip. The faster you go, the quicker it happens. Use the 220 grit side first, then switch to the 320. If you want, you can get other grits, and use those afterwards to polish up the edge. Stop every few seconds and look how it is going. Go slow if you are not confident in your abilities, or go fast if you are going to honey badger it. After a few minutes, it should be convexed. I used a medium amount of pressure, and the sponginess of the file was enough to keep it very smooth with a nice flow from the primary grind to the edge. I put the majority of the pressure directly on the shoulder of the edge until it was gone. Be careful, you could cut the tip of your finger off if you aren't careful.
That's it. Good luck and godspeed.
* That sentence is completely untrue, but you should buy more Beckers either way.
I think I'll have to get one now. I'll check my wife's crap first
thanks Derek.