Hello all, I have read that the sharper the trimming tool, the better the trim but how do I go about sharpening my tools (Kemperer)? Thank you in advance for sharing your advice and experience.
Alexis in Winnipeg, Manitoba
I was taught to use a round file like the one you would use on the blades of a chain saw. There are also some narrow, flat three-sided files for the flat edges of a trimming tool. Brace the tool against a table edge and let the file do the work. Remember, the cutting action of a file is affective only while pushing the file from its top toward its bottom. Dragging the file back while still in contact only serves to dull the file. There is a point where the trim tool is too thin and must be discarded. Make sure the trimming surface is straight all the way around if a rounded tool and completely even if flat. Otherwise, you will get an uneven cut. If the outside points of a trim tool are wider/thicker than toward the middle where you get most of the wear, you will get ridges in your trim job no matter which angle you try to put on the tool when trimming.
Diego
Sorry, one more thing. Be sure to maintain the bevel that came originally with the tool. If you bevel the underside of the blade you will diminish the effectiveness of the tool. Be sure it stays flat and remove any burrs.
: D
I use a flat file down the chamfer towards the cutting edge, then take off the burr filing inwards on the flat towards the cutting edge, not away from it. The very slight *tooth* the file gives the tool helps the edge to cut cleanly and last longer.
Steve Bath UK
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