New knife with warped blade

S

squawsach

Joined
Dec 2, 2008
Messages
19
Hi all. I have been lurking around this site and picking up info for a couple months. I recently finished an O1 blade that I didn't inspect very closely after quench. I just gave it a quick look and started my temper cycles and flat sanding. I put the guard on the knife and then noticed a slight warp in the blade. The tang is straight but the blade has a slight curve to it. Not good. The slight warp bugged me but I decided to finish the knife without putting the torch and vise to it.

knivesandkiddo029.jpg


Are there others that let a slight warp make it to finished knife? I like everything striaght but this one was soo close that it didn't seem to be worth the trouble of straightening.
 
Great looking knife. I wouldn't be ok with selling a knife with a warp. Finishing it though, say for your own use, then maybe, if I couldn't possibly fix it. I would do everything possible to fix it though. I don't understand why you wouldn't straighten the warp if you are capable of making such a nice knife. You'd be doing yourself a diservice by not fixing it.
 
Keep in mind that what you consider Sub-Standard will hurt your Rep as a maker if you sell it. Straighten it or turn it into a shop knife are better options.
I have a drawer full of shop knives:eek: that have never seen the light outside my shop.
Remember your time and talent is valuable...why diminish it?
 
The knife was made for myself. I wouldn't sell a knife with a warped blade. I've straightened blades before but I just didn't on this one for some reason. I was just wondering if others let a slight warp make it to final product.
 
If I have a lot of shop knives, I might be tempted to see how good my heat treat is by trying to bend it straight. I have done quite a few with just gloved hands. Bending the blade past a certain point and then releasing it sometimes will straighten it sometimes you break it.

Or maybe you need a shop knife.:)

Fred
 
Have you ever looked down the spine of a production set of kitchen knives? !!!! I won't name any brands ! Good god ! Talk about warped !!! :eek::eek::eek:
 
To answer your question, yes, the last one I made for myself got the slightest warp in the blade but, I finished it anyway and it doesn't really bother me. However, I would not feel right about selling it.
 
i've finsihed a few warped blades and used them to test the extent of my heat treating. unfortunately it showed that my heat treating wasn't very good!
 
Ide say its a xmas gift or straighten it. The looks of it you spent alot of time doing a killer job on it ide say straighten it. very very nice knife by the way.
 
Great knife. Keep it and when you show it to folks you can point out the warp. They'll be impressed that you noticed when they didn't.

I haven't sold a lot of knifes, but enough that I've lost count. And I'm 100% positive that none of there were perfectly straight. I mean, I straighten them by hand during quench, and then finish grind them by hand. How straight could they possibly be?

I have a really nice custom here from a very well know master, and folks who see it are amazed by it. But it isn't perfectly straight either.
 
Nathan the Machinist said:
Great knife. Keep it and when you show it to folks you can point out the warp. They'll be impressed that you noticed when they didn't.

I haven't sold a lot of knifes, but enough that I've lost count. And I'm 100% positive that none of there were perfectly straight. I mean, I straighten them by hand during quench, and then finish grind them by hand. How straight could they possibly be?

I have a really nice custom here from a very well know master, and folks who see it are amazed by it. But it isn't perfectly straight either.
Click to expand...

Agreed. There is a point where the eye just can't see the warp anymore and that's what I meant by fixing it. If you can see it, I'd try to get it to where you can't.
 
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