dagger grind profile opinions

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kdiver58

Joined
Sep 20, 2010
Messages
17
The drawings are to scale the cross-section of the blade is .213 by 1.062
Which do you think would look better on my knife?

KnifeProfile.jpg


KNIFEpic2.jpg
 
I wanna see you pull off one of those multi-angle grinds on the right, so I vote for the 150 degree angle one...
 
I don't know... I think I like the 155 one better... That one gets my vote. :thumbup:
 
Does anyone think the 20 degree included angle on the profile with the 155/25 degree angle is too sharp for a self defense dagger ? Remember it's Damascus steel. This is what the original looked like right after I cut the blank out.

KNIFEpic.JPG


For comparison here is the 1.5 radius bevel show overlaid on the 20 degree included angle

knifeP.jpg
 
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Ok, I change my vote to the 155.
Just because I want to see someone pull off this double angle bevel thing.

When you do this, please share the technique, I am fascinated.

A 20 degree included angle is fine BTW.
You can go to a much thinner angle if necessary.
Most of my knives are a 9 - 11 degree included angle.
 
Yeah... I just realized that. How the heck do you grind something like that? Seems like you would ruin the first angle that's closest to the edge, by grinding the second. Like Brian said, if you do it, Definitely share your method! I would love that grind on a folder design I got.

And You reminded me, I really need to get CAD 2011. ASAP
 
I'll bet that Nathan could make one (note I didn't say grind one :)), but
the rest of us may be out of luck.
 
Many of us could machine that with sufficient planning, and now that I looked at kdiver58's profile, I see he could too.
Moldmakers are an ingenious lot, I served my apprenticeship and first years in machineshops as a moldmaker.

I want to see it ground though...
 
You might could shape a stone and grind it lengthwise. Or cut it on a horizontal mill using similar geometry. Perhaps you could do something with a tilting table or an adjustable chamfer cutter. Tricky nut to crack.

You know how I would do it, but I'd still be left with a lot of manual stoning to clean up the tool marks. I'm curious how he plans to do it. Mold makers rock. :thumbup:
 
As I have said in several other posts I think like a tool die / Mold maker and not like a knife maker. I do not have the artistic gift many/most of you are blessed with.

However I make it .. compared to a knife maker I will be cheating ..
 
Be sure to document your process. We love seeing things done a different way. I hope it turns out awesome.
 
I'm rooting for you too.

I think most knifemakers would use a traditional hollow grind or flat grind on that knife.

I would.

I too have the problem of approaching most problems as a toolmaker.
These knifemaker types have a lot of cool tricks though, I keep trying to learn them.

I personally don't know a knifemaker that would attempt that double bevel.
If there was a good reason for it, I could see giving it a go, but I would expect to spend a bunch of time with the stones.
I also would personally have planned it a little differently, as I would be machining it rather than grinding it...
 
If I have time this weekend I will try that double bevel grind on something using the bottom of a contact wheel longitudinally. I think it's a useless grind but it will look cool

-Page
 
@ BFK .. I showed it to a local leather maker at a gun and knife show and he said a straight 20 degree bevel would be his choice.
 
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