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Evening out an edge

us Offline BPRoberts

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Evening out an edge
on: September 11, 2024, 02:17:16 PM
I'm working in cleaning up an old knife, and I noticed it has almost a chisel grind. The "back" of the blade has a nice edge, cuts hair, catches nail, etc. while the "front" is only sharp-ish. It's not supposed to be a chisel. I'm not sure if this is preexisting abuse (the blade had obviously been well used and resharpened before I got it) or a mistake on my part. Either way, what's the best way to correct it back to more symmetrical? My instinct is to just give it some extra strokes on the "flat" side, but figured I'd ask.


us Offline SteveC

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Re: Evening out an edge
Reply #1 on: September 14, 2024, 05:36:52 AM
Just make the front edge match the back if it's a good angle. What are you using to sharpen it ?


us Offline BPRoberts

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Re: Evening out an edge
Reply #2 on: September 14, 2024, 02:49:12 PM
Mostly diamond stones, finishing on a fine whetstone. I have a removable guide that I use at the start to help find the angle, so I'm guessing it was preexisting to the knife.


us Offline SteveC

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Re: Evening out an edge
Reply #3 on: September 14, 2024, 04:18:34 PM
Sounds like you have the ability to sort it out  :tu:   Post some before and after pictures  please  :cheers:


us Online IMR4198

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Re: Evening out an edge
Reply #4 on: September 14, 2024, 04:48:32 PM
Ditto on the photos.  I have every confidence that you will figure it out.  Best wishes.  G
 :popcorn:


us Offline BPRoberts

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Re: Evening out an edge
Reply #5 on: September 15, 2024, 03:25:19 AM
The "front" which catches my thumb better when I test sliding that direction:
  [ You are not allowed to view this attachment ]  

To my  amateur eye, I think the technical term is "shinier."

The "back" which obviously lost a fight with a grinder at some point:
  [ You are not allowed to view this attachment ]  

Dan had it before me, and might be able to shed some light on its history. I'm assuming it'd already been ground when he got it, since he knows better.

I was about ready to just call it. The edge is usable (slices paper fine) but if y'awl want me to poke at it a bit more I guess I could use the practice. I'm about passable at hand sharpening on a good day. Any tips?


us Offline Farmer X

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Re: Evening out an edge
Reply #6 on: September 15, 2024, 04:13:38 AM
As soon as I saw the photo, I recognized it! I got it in a trade a couple of years ago, so I don't know its history prior to that point. However, I intended it to be a safe queen, so I didn't attempt to refine the edge. I do suppose that it may have had some sort of unusual grind from the factory. Wish I could have been of more help on this one, but it seems you're well on the way. :cheers:
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se Offline JowiiYoyo

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Re: Evening out an edge
Reply #7 on: October 01, 2024, 09:57:40 AM
What i do when i need to reprofile an edge is to start with a metal file untill i get the angles right. Then i will go over to a coarse stone, then a fine stone and finally hone and strop.

Best wishes and good luck! You got this  :cheers:


 

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