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Author Topic: Softening a rasp  (Read 1120 times)

Offline DoubleLung

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  • Posts: 140
Softening a rasp
« on: October 05, 2009, 01:16:00 AM »
So I'm just looking to take a try with making a blade of my own. (I have limited experience with pre-made blanks) I have access to Farriers rasps and really like the looks of the ones I've seen on here. My question is can I soften the metal in order to work it to shape without a forge? I don't have a forge.

Also what type of metal is the Rasps made of?

Thanks in advance. I really enjoy looking at the pieces of art here.

Offline LONGBOWKID

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  • Posts: 500
Re: Softening a rasp
« Reply #1 on: October 05, 2009, 11:32:00 AM »
Build a fire large enough to cover the rasp in coals. Leave overnight, come back in the morning and you are the proud new owner of an annealed rasp.

But, without having a forge you wont be able to retemper the knife, leaving it soft. It will still function as a knife, but it wont be as durable, or as sharp as youd probably like it to be. I suggest carefully working it without annealing. Dunk it in a bucket of water when it starts to get uncomfortable to hold.

Good luck. Dont forget some pictures when you get started.

Kid
Turkey Creek Longbows
60" 46#@29"
62" 51@29"
62" 61#@29"
62" 77#@29"

Holm-Made Osprey
60" 67#@29"

Offline DoubleLung

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  • Posts: 140
Re: Softening a rasp
« Reply #2 on: October 05, 2009, 02:12:00 PM »
I've read about alot of people tempering the knives in an oven. Will this not work with a rasp?

So I don't get confused, by "annealing" a rasp, it becomes soft and easier to work with right? That doesnt make it brittle and prone to breaking into lots of pieces?

Offline LONGBOWKID

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Re: Softening a rasp
« Reply #3 on: October 05, 2009, 05:39:00 PM »
Yes annealing is the softening of the steel. It wont be brittle at all.

Heat treating requires a forge to be more specific, you CAN temper in the oven. Youll need to get your blade to a nice red hot and quench in veggie oil. Then immidiately go to the oven at 400 degrees for an hour.

Atleast thats what I do with my rasp knives.

Kid
Turkey Creek Longbows
60" 46#@29"
62" 51@29"
62" 61#@29"
62" 77#@29"

Holm-Made Osprey
60" 67#@29"

Offline DoubleLung

  • Trad Bowhunter
  • **
  • Posts: 140
Re: Softening a rasp
« Reply #4 on: October 05, 2009, 09:22:00 PM »
Thanks for the info!

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