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Cutting knife steel

Started by Rufus, October 23, 2007, 03:53:00 PM

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Rufus

Seen where someone making knife blades with circular saw blades was cutting the steel with a Dremmel tool. What cutting wheel using? Mine I used just made shiny scratches.
Live simply. Love generously. Care deeply. Speak kindly.

jmar595

try annealing it first, it will soften it alot and make it easier to work. or you can use the large dremmel cutoff wheels, looks like they have a fiber mess in them, I used them to cut out a blade froma lawnmower blade whithout doing anything to the lawnmower blade.
"Let yourself go with the arrow and the trip will never cease to amaze you."   Me

JEFF B

you can also use a plasma cutter they eat through anything.  :thumbsup:  those dremmel cut off wheels are good if ya get the big ones as jmar595 said. good luck and post some pics
'' sometimes i wake up Grumpy;
other times i let her sleep"

TGMM FAMILY OF THE BOW

Rufus

Thanks guys. Be looking for big wheels after season over. Wished I'd thought of doing this before I retired. I had access to a really 110 volt plasma cutter that I used a lot. Maybe I can borrow. Seems big bosses can borrow tractors and such, maybe something little for me. Going to chase deer in morning. Perhaps find very, very slow one.
Live simply. Love generously. Care deeply. Speak kindly.

Curtiss Cardinal

You have to anneal it first the the normal cutting wheel will work.
It is curious that physical courage should be so common in the world and moral courage so rare. ~Mark Twain
TGMM Family of The Bow

hickstick

...and plasma cutters aren't 'the best' choice when cutting out knife blanks.  they heat the steel unbelievably hot in the area proximal to the cut.  high heat = grain growth = weakness in the steel. so unless you're cutting way "outside the lines" so to speak, then grinding to get close...I'd use the abrasive wheels.

I used to use the dremel, then upgraded to a cheap angle grinder with a 4" abrasive cutoff wheel.   then you can swap out to a griding wheel and freehand some of the profile grinding with the one tool.  

however, nearly all my knives are forged to shape so I most often hotcut.  heat the steel to red, hammer a chisel though it (cuts like a warm knife thru buttah)
Diagonally parked in a parallel universe.

Straitshot

I always cut mine out on a band saw, but I always used annealed metal to work with and hardened the blade after shaping.
A man's true measure is not found in what he says, but in what he does.

Curtiss Cardinal

Go to youtube and search "knife making"
you see a couple good ones at least and the good ones show you how to anneal and harden after finishing the shaping and intitial sharpening and drilling any holes you need.
It is curious that physical courage should be so common in the world and moral courage so rare. ~Mark Twain
TGMM Family of The Bow


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