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Messages - Greybeard

Knife Sharpening / Re: Knife jig offset another solution
February 13, 2022, 08:02:11 AM
Good idea- Similar way to get offset effect and fully adjustable.
Here is an alternate idea that is blade thickness specific.  - Happy to share .STL files, if other want to 3D print and try.
The eccentric bush you linked to is a really great idea. It might give minor variation on blade tips when tipping to sharpen the end?

The above spacer keeps same outside diameter for both "tipping" faces on the tool rest, and I can have multiple units for different blade thickness.
A 2 mm offset for 2mm blade etc, and being 3D printed, thought idea might suit some hobbyist without metal lathe. No dialing in required, just pick the thickness version as required.
posted error- deleted
Knife Sharpening / Knife jig offset another solution
January 17, 2022, 07:03:31 AM
I use the Triton style knife jig and as posted in earlier threads, this has zero offset and this is problematic on thicker blades.

A solution I am trying is to 3D print a collar that goes over the shaft that has basically a crescent shaped portion on one side of shaft, with thickness equal to blade thickness being held.
Example my prototype has a 2 mm thick crescent for 2 mm blades. This shifts effective jig centre line by 1 mm to centralise blade. The outside radius of crescent portion is same radius as shaft, so no issues with any tilting to sharpen tip of blade etc.

These images might assist.