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Jointer/planer Knife Sharpening Jig

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Project by woodshaver posted 732 days ago 11776 views 81 times favorited 35 comments Add to Favorites Watch

UPDATE CORRECTION ON THE ANGLE
Please forgive me. I made a mistake on the angle of the blade set.
The angle is not 40 degrees it’s 45.
I made the change below also.
Sorry, I hope this didn’t mess anyone up!

Credit goes to Dusty & Bsmith .. Thanks guys for finding that mistake!
————————————————————————————————————————-

It’s not fancy like the Deulen $50 dollar Knife Sharpening Jig but it works!
Link to my new more fancy one > http://lumberjocks.com/projects/70562

The blank is 2 1/2” X 2” X 4 3/4” I made two 45 degree cuts in the 2 1/2” side, made 4 set screws and tapped the wood to except the set screws.

I gave the kinives 10 strokes on each of 220-, 320- and 400 sandpaper then once on the 400 laying flat to clean the edge. I made this as a trial experiment and now I will make one using some Ash or or some another hard wood. I use my table saw for the flat surface. I have some tempered glass that I will use next time!

Thank for peeking in!

UPDATE
CORRECTION ON THE ANGLE
The angle is not 40 degrees it’s 45.

-- Tony C , My high school shop teacher said "You can do it"... Now I can't stop!





35 comments so far

View luv2learn's profile

luv2learn

1674 posts in 929 days


#1 posted 732 days ago

I really like the simplicity of this jig. I see nothing wrong with your trial experiment buddy. Those are joiner knives right? My joiner uses a three knife set. How would you set up the jig for the third knife of the set since you will only be sharpening one rather than two?

Since you are back in the shop rockin and rollin how about building a jig to accommodate 13” planer knives. I know mine are double sided and disposable but it sure would be nice to extend their use by sharpening them at least once :).

-- Lee - Northern idaho~"If the women don't find you handsome, at least they ought to find you handy"~ Red Green

View woodshaver's profile

woodshaver

2748 posts in 1980 days


#2 posted 732 days ago

luv2learn,
Thank you for the nice compliment! This Youtube video is what gave me the idea. He explains how to do 3 blades in the video. http://www.youtube.com/watch?v=IgaDpbDhlss&feature=player_embedded
I’m going to make one for my 13” planer blades but I need to go buy some set screws. I made the ones for the small jig but I want the allen key type for the larger jig.
Also you can get the abrasive stick on paper here. http://www.woodcraft.com/product/2083107/33857/deulen-234-x-18-psa-abrasives.aspx
I just used the sheet paper I had in my shop. Let me know what you think of the YouTub video.

-- Tony C , My high school shop teacher said "You can do it"... Now I can't stop!

View luv2learn's profile

luv2learn

1674 posts in 929 days


#3 posted 732 days ago

woodshaver,

Thanks for the YouTube link and the abrasive paper link. Are you going to make your jigs so that they can be joined for longer blades?

-- Lee - Northern idaho~"If the women don't find you handsome, at least they ought to find you handy"~ Red Green

View hunter71's profile

hunter71

1984 posts in 1813 days


#4 posted 731 days ago

I had seen a video and had it on my radar for a “someday’ .
Since you tried it I think I will too. Like luv2learn I have saved my 13” plainer blades, too thrifty to throw them away. I also made a couple of tools out of them, but that’s another story.
Thanks, Doug

-- A childs smile is payment enough.

View woodshaver's profile

woodshaver

2748 posts in 1980 days


#5 posted 731 days ago

lu2learn ,
For me there is no need to make them so they join up. But if you cut both long and short jig’s from one long stock blank I don’t see why you couldn’t join them to make them longer if you needed too.
I also have a 13” planer and I need to sharpen the blades. In my photos you can see a 2nd jig that I started to make. It’s 12” long and it will hold my 13” planer blades. But I think I’m going to move away from that mystery wood and make it using Ash or maple.

I think this should of been a blog!

Your welcome Doug and luv2learn!
Tony

-- Tony C , My high school shop teacher said "You can do it"... Now I can't stop!

View Woodwrecker's profile

Woodwrecker

3582 posts in 2202 days


#6 posted 731 days ago

That came out nice!
I have to make one of those.
The Deulen ones are too expensive.
Thanks for sharing your talent.

-- Having fun...Eric

View Roger's profile

Roger

14318 posts in 1431 days


#7 posted 731 days ago

You are a gr8 fabricator Tony. Super nice.

-- Roger from KY. Work/Play/Travel Safe. Kentuk55@bellsouth.net

View SuburbanDon's profile

SuburbanDon

482 posts in 1621 days


#8 posted 731 days ago

Looks useful. Good idea.

-- --- Measure twice, mis-cut, start over, repeat ---

View Bertha's profile

Bertha

12951 posts in 1320 days


#9 posted 731 days ago

I’ve had my eye on the Deulen myself. I may have to re-evaluate;)

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

View AJswoodshop's profile

AJswoodshop

1057 posts in 903 days


#10 posted 731 days ago

So cool! I’ll have to make one of those myself. My jointer knives need to be either replaced or sharpened. Great idea!

Keep up the good work!
AJ

-- If I can do it.....so can you! -AJswoodshop

View Dusty56's profile

Dusty56

11644 posts in 2315 days


#11 posted 731 days ago

Hi woodshaver , the jig appears to make a microbevel on the blades.
Is there any reason not to sharpen the entire cutting edge ? Thanks : )

-- I'm absolutely positive that I couldn't be more uncertain!

View woodshaver's profile

woodshaver

2748 posts in 1980 days


#12 posted 731 days ago

Hi Dusty,
It’s more like honing a beveled edge. The angle is slightly off from the original angle but in the right direction and not enough to make a difference when in use. it’s the very edge that makes the cut.
Hope that helps!

-- Tony C , My high school shop teacher said "You can do it"... Now I can't stop!

View Dusty56's profile

Dusty56

11644 posts in 2315 days


#13 posted 731 days ago

Yes , it helps : )
I guess this would be a quick tune up versus the eventual need to resharpen the whole cutting edge , and would get you through the project and save you some money in the long run : )
I just have two sets of knives that I exchange when dull and send one out to be sharpened.
I wonder if the lesser bevel will hold its edge any better or give you a nicer cut ?

-- I'm absolutely positive that I couldn't be more uncertain!

View Kevin's profile

Kevin

539 posts in 926 days


#14 posted 731 days ago

Great jig, thanks for the links and for posting. This just got added to my to do list.

-- Measure twice, cut once, then rout a whole bunch

View woodshaver's profile

woodshaver

2748 posts in 1980 days


#15 posted 731 days ago

Dusty,
Because you brought my attention to the micro bevel you got me thinking. I took another look to see what happens when I tighten the set screws, I noticed that it changes the angle just a bit. So I added a spacer to keep the blade from cocking in the grove as I clamp down on it. Doing this set the angle closer to what the factory angle is. I re-sharpened one set of blades and it’s honing half of the bevel now. And I think it’s even sharper, I ran the blade over some paper and it cut like a razor!
Thank you for asking that question Dusty!
PS. As I stated in my description this is an experiment and I’ll most likely prefect the jig even more when I make it using a harder wood and maybe I can find some aluminum channeling to make it even better!

Thanks to all for the nice compliments!!!

-- Tony C , My high school shop teacher said "You can do it"... Now I can't stop!

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