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Sharpening V-tools
Handy jig makes it easy to get a perfect edge
By John English
Sharpening V-tools can be challenging. WCI Holiday
2007 (issue #41) presented a simple technique for
sharpening V-tools freehand. Many experts recommend
learning to sharpen without the aid of power or jigs, but
sometimes we need a bit of help. An inexpensive guide
like this makes it easy to sharpen tools consistently.
Look for a jig that clamps the tool from the sides rather
than from the top. Jigs similar to the one featured in this
demonstration are available at most woodworking supply
stores. The prices range from $11.95 to $17.95.
Establish the bevel. Lock the V-tool in place with the flat
side of the V-tool against the flat edge of the jig. Set the jig for a
20° bevel and mark the end of the guide on the V-tool. Work one
side on a coarse diamond stone, then flip the jig around and lock
the opposite side in place, aligning the jig with the mark on the
tool. Work both faces equally. Feel for a burr to form the whole
way across both edges, then use a small diamond file to remove it.
Refine the bevel. Keep the tool in the jig and switch to a
1,000-grit water stone or the equivalent. You can see the mark
I made on the tool to help me place the tool in the jig at exactly
the same spot after switching to the other face. Work both sides
equally; count the number of strokes made on one side and make
the same number on the other side. Form and remove a finer burr.
Polish the bevel. Switch to an 8,000-grit abrasive. This fine
stone will polish the bevel and remove most of the scratches from
the coarser abrasives. Work both outside faces to raise a final burr.
Notice the small tail, or hook, that forms where the two walls of
the V-tool meet. The tail is the accumulation of the two burrs and
it needs to be removed for the tool to cut properly.
Remove the final burrs. Remove the tool from the jig and
roll it lightly back and forth on the 8,000-grit stone to remove the
tail. Use small slipstones to remove the final burrs. Strop all four
faces (bevels and backs) on a leather strop, and test the sharpness
of the tool by carving a shallow groove across the grain of some
pine. It should cut cleanly without tearing any of the grain.
About the Author
John has been working with wood since the early 1980s.
He is a contributing editor to Woodcraft Magazine and
a former editor of Woodworker's Journal. He is the
author of numerous articles in various other magazines,
and publishes Woodezine, an online magazine for
woodworkers. To see his work, visit www.JohnFEnglish.com.
Woodworker's Guide to Sharpening
See the sharpening stations of Sam Maloof, Norm
Abrams, and other craftsmen in this comprehensive
guide that presents every sharpening method. Available at www.Foxchapelpublishing.com