Reply by USMCSergeant

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Posted on convex sharpening method?

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28 posts in 1948 days

#1 posted 04-21-2013 12:22 AM

I convex most of my knives, ones that have a thick enough blade to really take to a convex edge. The smoothness of the cut, and how sharp the edge becomes is the definition of scary sharp.

My method is using a phone book, topped with a mouse pad. I tape the sandpaper to the mouse pad and pull-stroke the blade across. I usually sharpen to 2000, and on 800 and above use a little water. Then I strop on leather. The soft backing gives just enough to creat a convex curve which the blade takes it shape.

I’ve never sharpened a hand plane or chisel with this method, but I have thought about it a few times. I think the reason I haven’t is that a plane and chisel have single bevels – a chisel cut edge. I’m not sure how strong the tip would be with one side convexed and the other flat.

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