My Company sharpens planer blades for about $8 per blade + $0.50 per inch.
We do a two-stage sharpening cutting a coarse grind at one angle and then we do what we call a micro-bevel which is a fine-grind at a slightly different angle, doing so ensures the blade stays sharper longer and actually exceeds the factory sharpening.
Bobby at woodworkerstoolworks.com is great for jointer/planer blades.
I have recently gotten a Deulen jig and really like it, I use it for my 12" jointer knives, my planer has a Byrd.
They are avilable at: https://deulentools.com/BuySharpeners.html as well as Rockler, Eagle, Woodcraft and several others, it really takes little time (less than the time to ship them out or drop them off) and pays for itself pretty quickly.
Best Grinding in Tulsa sharpens my double edged 13" Ridgid planer blades for $25 a set. New blades only cost $30 a set but my sharpened blades seem sharper than the new ones. These disposable blades can only be resharpened once or twice.
I used to take mine to my local woodcraft. I think they oursourced it.
While they did a nice job, the hassle factor always meant that I used nicked/dull blades longer than I should have. I switched to a spiral cutterhead planer and I don't have to think about sharpening anymore. Or about chipout, but that's a different issue. It's an expensive investment, but it pays off quickly if you use your planer often.
I've used Bull Sharpening in Oak Park IL for several years, always done a fine job and very reasonable rates. They do it all, one reason I use them….the second reason is that there are no local resources for anything beyond saw blades and scissors.
not to rain on the parade…no mention of what planer but no "portable" I know of has knives that can be resharpened (there is no height adjustment on those machines…buy them, turn them around when dull, toss them).
@teejk While technically you are correct most self set knives whether on a lunchbox or a $20,000 Tersa equipped machine can usually be honed 1-2 times, if however you need a sharpening that will result in any significant metal removal then you need a new set. Attention has to be paid to keeping the metal removed equal acxross the knives even in honing since ther is no practical way to joint the knives on a lunchbox planer.
I think the problem with the "portables" is you lose the height guage, hence "flip once" then toss. My experience is hitting something that "grooves" the knife (not a problem really since a quick sand fixes it).
But I have a set that is due for replacement…nothing to lose I guess.
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