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Sharpening an Ulu?

Started by John ~ LolliPop Farm, September 04, 2022, 10:45:46 PM

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John ~ LolliPop Farm

Got a job in that had befuddled me as to how to jig this up, any ideas vs freehand?

V/r
John G.

Sir Amwell

Hmmm. Tricky. I'm assuming the blade is not detachable from the handle? And that the tape and towel in the photo is hiding the handle?
I think it is a freehand sharpening job.
Or you could use a WSKO with blade grinding attachment, very carefully?

Sir Amwell

Also, from the photo, it looks like a convex primary bevel with a secondary bevel. Even if you could get a jig on it to enable using a Tormek you would have to be careful to only work on the bevel at the very edge, if that makes sense?

cbwx34

Quote from: John ~ LolliPop Farm on September 04, 2022, 10:45:46 PM
Got a job in that had befuddled me as to how to jig this up, any ideas vs freehand?

Some ideas from another thread...

https://www.tormek.com/forum/index.php?topic=3896.0
Knife Sharpening Angle Calculators:
Calcapp Calculator-works on any platform (Just point your phone at the QR code)
or, a list of available Calculators

GeoBoy


3D Anvil


cbwx34

Quote from: GeoBoy on September 05, 2022, 03:57:42 PM
Wouldn't the axe jig work?

I tried it... with some modifications, you probably could, but I couldn't figure one out at the time.
Knife Sharpening Angle Calculators:
Calcapp Calculator-works on any platform (Just point your phone at the QR code)
or, a list of available Calculators

capt rich

Sissor jig base with a block the width of the blade to top of handle [ shim ]. Ax jig same way