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+-- Thread: Hollow ground planer knife angle? (/showthread.php?tid=7350488)
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RE: Hollow ground planer knife angle? - jteneyck - 10-01-2019
(09-27-2019, 12:28 PM)Pirate Wrote: Are you talking about a flat ground knife with and without a micro bevel, or the same with a hollow ground knife?
With the hollow grind, I don't think an edge with less than 30 degrees would last long.
The knives in the machine, hollow grind and micro bevel, are still very sharp.
Doesn't matter much either way. If the micro bevel is too wide the back of the knife will impact the wood. Look at Hoadley's book.
If the knives in the machine are still sharp leave them in. Copy how they are ground for the spare set.
John