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Old 12-26-2011, 08:34 AM   #16
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How to make a planer knife sharpening jig

Originally Posted by DangerMouse View Post
Just a quick update. I've sharpened 2 sets a few times now and they still perform well.
I HAVE noticed they don't seem to last as long per sharpening as when new.

Do you micro bevel your edges?

Just in case some don't know how to micro-bevel.
A micro bevel is done just after sharpening your blades. A sharp blade with a long angle is really sharp but won't stay that way long because the edge is thin. A working edge is a little less of an angle. Look at a straight razor how thin the edge is, it is sharpened from point to top edge. A work knife will have a pretty good bevel on it so it won't dull quickly like the straight razor will.

Once you sharpen your planer blades raise the back of the blade up just a little and hit it maybe three or four times on the final finish, this will put a very slight edge with a lesser angle which won't dull as quickly but will be sharp.

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Last edited by BigJim; 12-26-2011 at 10:43 AM. Reason: Just being old
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