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Quick set tenon jig

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Project by Junado posted 180 days ago 2589 views 25 times favorited 23 comments Add to Favorites Watch

So I’m about to dive into a coffee table project for my brother. He just bought his first house and could use a home warming gift. The thing is, I’ve made mortise the normal way (miter gauge and dado stack), but I was dying for more accuracy and repeatability. My (small) table saw is finnicky with heigh adjustment, there is a bit of backlash in the adjustment screw and it made it hard to get accurate tenons. Plus, with stock of various width, I kept having to readjust my blade.

No more ! I bought these quick set tenon jig plans from Matthias Wandel (I have bought and built the 16” bandsaw as well, but this project is for another day) at woodgears.ca and let me say this thing is fabulous. I’m a mechanical engineer by trade and I like accuracy and being able to work with machines that give accurate readouts. This jig does one thing, but it does it well and quickly.

Basically, you use the dial indicator as a measure of the displacement of the jig/piece of wood, which allows accuracy to the thousandths of an inch for the width of the shoulders and the width of the tenon. You use the lever upfront to move the carriage that holds the piece of wood and setup stops for each cut. I’ve used the jig to make a few test cuts so far and usually end up within 0.001-0.003” of the target value, so I am very pleased. It has a movement range of about 2 1/2”, so it should be plenty for any regular sized stock.

I’ve painted the plywood parts and the rest of the jig is made with scraps of cherry, finished with water based polyurethane and wax on the moving parts.

-- Julien





23 comments so far

View Northwest29's profile

Northwest29

736 posts in 1127 days


#1 posted 180 days ago

Now that is one fine device you’ve created. Looks like one might need an engineering degree to use it. (-:

I think I need to put that on my shop jigs to build list. Thanks for sharing.

-- Ron, Eugene, OR, "Curiosity is a terrible thing to waste."

View luv2learn's profile

luv2learn

1681 posts in 940 days


#2 posted 180 days ago

Julien, that is a mighty fine build. I too have built Matthias bandsaw and several other of his inventions. I have had my eye on this build for some time now. You have given me a nudge now to do it. Thanks for sharing!!

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

View cyclops4069's profile

cyclops4069

60 posts in 214 days


#3 posted 180 days ago

nice build!!

-- regards, cyclops4069

View Charles Maxwell's profile

Charles Maxwell

952 posts in 2444 days


#4 posted 180 days ago

Nice work. Matthias is a gift to this forum! He has a fantastic gear design software program that I use for my clock making and it has saved me countless hours of calculations. I’m sure you’ll get lots of great usage from that jig. Incidentally, I plan on purchasing those plans soon and build one of these myself. I’m all but done using my 1000 pound delta tenon jig!!!!!

-- Max the "night janitor" at www.hardwoodclocks.com

View a1Jim's profile

a1Jim

112028 posts in 2214 days


#5 posted 180 days ago

Very cool ,great job.

-- http://artisticwoodstudio.com Custom furniture

View iminmyshop's profile

iminmyshop

112 posts in 631 days


#6 posted 180 days ago

That looks like a terrific idea to put on the list of need to make jigs. Thanks for posting and thanks for the link to Woodgears.

View HuckD's profile

HuckD

205 posts in 351 days


#7 posted 180 days ago

Nicely done! That’ll serve you well for years to come.

-- Time is what keeps everything from happening all at once.

View OldWolfsWoodShop's profile

OldWolfsWoodShop

154 posts in 584 days


#8 posted 180 days ago

Very nice, I have purchased the same plan, as my next project. Good job

-- Making Sawdust is great stress relief... www.oldwolfswoodshop.ca

View Jeff82780's profile

Jeff82780

182 posts in 1631 days


#9 posted 180 days ago

Great job! I also just purchased the project. hopefully mine will be good as your. did you have a hard time getting the steel rod into the bushing?

View Junado's profile

Junado

32 posts in 566 days


#10 posted 180 days ago

I encourage anyone who has the plan to go ahead and build it. It takes a minimum amount of material and can be done in about 3 days (I milled all my stock to size on a sunday morning, then did everything else over the following weekend).

@Jeff82780 I strongly suggest self aligning bushings. The ones I got were marketed as “vibration damping”, but they’re basically regular bushings held in a rubber sleeve. Even then, aligning everything was a bit fiddly; the play in the bushings really helped.

-- Julien

View Rick M.'s profile

Rick M.

3900 posts in 1017 days


#11 posted 180 days ago

Nice work. I’ve been debating buying the plans, you may have sold me.

-- |Statistics show that 100% of people bitten by a snake were close to it.|

View jmartel's profile

jmartel

1942 posts in 787 days


#12 posted 180 days ago

I built the same one that I just finished up yesterday, actually.

View MakingCurls's profile

MakingCurls

25 posts in 216 days


#13 posted 179 days ago

seems very intricate, but if you are getting the results you want then that’s definitely a winner :)

-- Out in the shed making curls

View kjwoodworking's profile

kjwoodworking

246 posts in 2524 days


#14 posted 179 days ago

Wow! You did great with some precise woodworking.

I appreciate what you built and also introducing me to Matthias Wandel’s site.

-- Kirk H. -- http://www.kjwoodworking.com

View ADHDan's profile

ADHDan

433 posts in 745 days


#15 posted 179 days ago

I have no idea what the hell is going on here, but that’s a pretty rad rocketship or whatever.

(Your tenoning jig has way more moving parts than mine; I bet it actually works great.)

-- Dan in Minneapolis, woodworking since 11/11.

showing 1 through 15 of 23 comments

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