Reply by 8iowa

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Posted on Sharpening "throw away" planer blades

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1580 posts in 3755 days

#1 posted 04-12-2009 03:03 AM

I don’t know this for sure, but being designed to be disposable, the hardness of the edge may not go very deep in the steel, eliminating all but a light honing.

Even though my planer blades cost almost twice as much, they can be sharpened down a full 1/16”, giving me years of use. I have a jig that enables me to sharpen them on the conical disk sander, taking off just a few thousanths of an inch at a time.

-- "Heaven is North of the Bridge"

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