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Tips for broken tips?

B

Blastermaster

Joined
Oct 29, 2014
Messages
73
I done messed up guys, I dropped my CRKT ripple2 on the tip and it is now all messed up. I thought about sending it in for maintenance via warranty, but CRKT expressly does not repair tips. What methods do you guys do for broken tips?
 
Just fixed the tip on my 3V neck knife a month ago. I just eyeballed it and did it on my DC4 stone, followed by a quick run on a King 1000 waterstone. This was a convex edge, and I used circular scrubbing motions. Came right back up, only about half hour or so of work.
 
Best to work it out on stone ... Take your time and I agree with Danketch that a circular motion would be the best.
 
Pictures always help these types of recommendations. The general advice is to grind from the front or the back, or both, depending on severity and blade shape.

Brian.
 
The few that I have messed with, I try to bring the spine side down to the edge. If you grind the edge up to the spine, a lot of time your new point will stick up out of the handle in the closed position.
 
Bighaze51 said:
The few that I have messed with, I try to bring the spine side down to the edge. If you grind the edge up to the spine, a lot of time your new point will stick up out of the handle in the closed position.
Click to expand...

Good point.

The one time I fixed a broken off tip, I ground down the spine because 1) it seemed the faster way to get to a point and 2) it keeps the blade profile close to the original.
 
Bighaze51 said:
The few that I have messed with, I try to bring the spine side down to the edge. If you grind the edge up to the spine, a lot of time your new point will stick up out of the handle in the closed position.
Click to expand...

Rey HRH said:
Good point.

The one time I fixed a broken off tip, I ground down the spine because 1) it seemed the faster way to get to a point and 2) it keeps the blade profile close to the original.
Click to expand...

:thumbup:

Expanding on the above, grinding the thicker spine down towards the edge also preserves the thinner stock for the cutting edge and tip. If going the other way (grinding the edge up to the spine), you're left with only thicker material near the spine in which to create your new 'edge'. Thick never cuts well, and the thinner grind near the edge is precious and should never be wasted.


David
 
Last edited:
Obsessed with Edges said:
:thumbup:

Expanding on the above, grinding the thicker spine down towards the edge also preserves the thinner stock for the cutting edge and tip. If going the other way (grinding the edge up to the spine), you're left with only thicker material near the spine in which to create your new 'edge'. Thick never cuts well, and the thinner grind near the edge is precious and should never be wasted.


David
Click to expand...

This is always how I have done my tip repairs. Unless, it is just a tiny portion of the tip but that wouldn't qualify as broken then.
 
While grinding the spine is a good technique, I'd like to emphasize that it's not always the best option. Many times you will want to grind both the edge side and the spine side. Grinding the spine side can angle the tip more towards the cutting edge, as opposed to straight ahead. It can also require you to remove quite a bit of material before restoring a sharp point.

Don't get me wrong: Neither technique is always correct. I tend to favor edge side grinding, but I balance it with some spine grinding as necessary.

To the OP: Do post a picture or two and I'm certain you'll get some very specific advice on how to fix it.

Brian.
 
Update: I got the tip into shape with a norton 200 stone, then I will go over it the whole edge with an 1000 grit water stone, followed by some passes on a 6000 grit water stone
 
Good for you! There is always a way to fix a problem on a good knife. There are a lot of experience on this forum, and a lot of different opinions on how to do something. Just pick out the method that works best for you and have a go at it. Sounds like you did just that. Glad you got it worked out.

Omar
 
Take a medium-large flat bastard file, and clamp it in a vice, just drag the broken tip of the knife down the file teeth; like you are trying to cut the file in half. When you have gotten the blade to the shape you want, sharpen it up on a stone. I've fixed many broken knives this way. It takes way less time than just sharpening away a broken tip. Never use a grinder or electronic machine - it will take away temper. :thumbup: :thumbup:
 
Zemapeli said:
Take a medium-large flat bastard file, and clamp it in a vice, just drag the broken tip of the knife down the file teeth; like you are trying to cut the file in half. When you have gotten the blade to the shape you want, sharpen it up on a stone. I've fixed many broken knives this way. It takes way less time than just sharpening away a broken tip. Never use a grinder or electronic machine - it will take away temper. :thumbup: :thumbup:
Click to expand...

Now that's a cool tip. I've got a chipped blade I will try that on.
 
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