A Tip For Sharpening Marking Knives
A tip for sharpening marking knives is article about Shop Blog bookmarked by claude with ID 12195113465 was uploaded on 30-03-2019 and has been viewed 54,612 times.
'The more you sharpen the blade the more it deforms, and instead of a straight edge line, you end up with a concave curvature that develops towards the bolster.' In my classes, we use marking/carving knives quite a lot.
We score lines in preparation for making a 'knife-wall', we use them to whittle animals, to cut paper veneer and more.Our knives are shaped in the traditional European pattern with a wide bolster at the meeting point of the blade and the handle.
To sharpen a knife I use DMT diamond stones.Typically, I begin with a fine stone and move on to extra fine and finish with a strop.Over time, I noticed that the rims of the rectangular stones lose many of their micronic diamonds and cannot erode the blade efficiently.
That caused a problem, which eventually alters the geometry of the blade.The more you sharpen the blade, the more it deforms and instead of a straight edge line, you end up with a concave curvature that develops towards the bolster.
Curvature in a blade edge may not be that big of a deal if you are willing to spend the extra time and care to sharpen and hone it,...