Hand Tools Archive

Subject:
wire edges on cast iron

Bill Tindall, E.Tn.
My only joy of sharpening is watching the tenacious wire edge generated on 3V finally float free of the blade tip (chisel in my case). On cast iron with WD40 lube, and plenty of it, this junk and all the other junk, floats off the edge of the plate, making the mess that many object to. An adequate layer of WD 40 keeps junk suspended where it can float away. All reasons I don't use anything but cast iron as a substrate. Copper printed circuit plates are wonderful for coarse grits but the junk stays on the plate and embeds.

What I do have to watch for is the initial wire edge. It is well to be sure it is bent up or it will score the plate.

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