How was this cut made ?

K

kdiver58

Joined
Sep 20, 2010
Messages
17
I really like the cut/grind on this dagger .. How do you think it was produced? It almost looks like it was milled with several different mills and blended. My confusion is with the cut nearest to the bolster. I am a machinist and most of the time think more as a machinist and not as an artist. The forest and trees saying many times applies. I'd like to produce it as a knife-maker would and not as a machinist .. laypeople sometimes come up with the most ingenious ways of getting the job done .. Thanks .. K

CUTstyle.jpg
 
Kdiver - The photos are a bit blurry, but it looks like the bevels on the dagger were ground on the round surface of a grinding wheel producing a concave bevel surface. The "cuts" you mentioned are referred to as "plunge lines".... where the grinding belt was plunged into the blade to start the bevels. This process is often done with the assistance of a straight-edged steel clamp placed exactly at the point of the plunges to guide the file of grinding belt and maintain symmetry on both sides.

If you have some better shots it would be helpful.
 
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I'm sorry I do not have better pictures .. This knife was posted for sale and this was the quality they were posted at ..

CUTstyle2.jpg
 
looks liek its just a double hollow

you grind with one size wheel and then go back in with a much smaller wheel and hollow the grind more

its liek a straight razor

that dagger might have been a 6 then a 2 inchwhee as the grind is not all thats high on the blade
 
I agree with Butch hollow ground with 2 different wheels.
Stan
 
Thanks all .. for the advise .. I'm going to do a few experimental grinds and see what I come up with .. K

@ Butch went to your site .. you will love the Roll-in saw .. As a mold maker I used them a lot to cut pockets. They cost an arm and a leg but will last forever if you don't abuse them. If I was cutting a piece of stock in half I could depth mic to the blade from each side cut it and get it to within .015 to .020 of flat and even all of the time.
 
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Looks to be a 3" wheel. Such as the lower wheel on a wilton square wheel platen. It provides for dramatic-deep hollow grinds.

Mike
Maker
The Loveless Connection Knives
 
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