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[another] tenon jig for table saw

Project by antmjr posted 27 days ago 1133 views 8 times favorited 16 comments Add to Favorites Watch

hi all, I post my first project, hope you enjoy it. This jig works on European-style table saws (it needs a sliding table). I have uploaded here a little clip that shows how it works.
—-
Made out of black locust from my garden. Basically the piece of wood to work is held firmly in position while you move it by means of the handle. My blade saw is 3,2mm thick, while the pitch of the leading screw is 3mm: that’s very useful, because you can get the tenon slightly narrower then the mortise (the slot).
The leading screw is metric, square thread, similar to the ACME thread. To tap the nut (the nylon cylinder you see in the middle) I had to make a tap first, you can see it in the second photo, put near the handle.

As you can see, the handle has several little slots, cut on 3 disks: in the first there is only one slot (i.e. one stop every turn of handle, which means 3mm feed), the second disk has 3 slots (i.e. 3 stops/turn, 1mm feed each stop), the third 6 slots (0,5mm feed); under the handle disks (see the third photo), there are 3 pins with springs engaging the slots: this way one can control whatever move with a basic step of 0,5 mm (frankly 1mm feed would be far enough).

The type of joint you can build with this jig is extremely strong and tight. The only problem I’m experimenting is that the water based glue (vinylic) may swell the wood, slightly BUT sufficiently to prevent assembling the parts. In the 6th photo you see a joint of two 15×7.5cm black locust pieces; in this case I’m wondering if it will be the case to use resocinol or epoxy glue instead.

-- Antonio --


16 comments so far

View stefang's profile

stefang

1635 posts in 225 days


posted 27 days ago

Amazing gig Antonio. Welcome to LJ. It will be great having another member with such a high skill level. It sure would have been nice if you could do a blog on making this jig. I’m sure a lot of members would appreciate it. I have a slider on my tablesaw. I know the majority of woodworkers don’t have one, but, with our large membership I’m sure there are quite a few out there who do. Thank for this first great post. I hope you enjoy LJ as much as I do. The members are a great group of positive and helpful people.

Looking forward to seeing more of your projects. I would just mention that more people will see this wonderful gig if you tagged it in “gigs” which is an option that appears at the bottom when you are posting a project. If you haven’t and want to, you can edit your project and add the tag.

-- Mike, American in Norway

View notottoman's profile

notottoman

423 posts in 121 days


posted 27 days ago

Gee wizz
Nice piece of machinery… Works well .
Good piece of engineering… YOu make it all yourself?
Yeah… presision with a screw thread..
well done Ant. Very clever.
I use Bulcatan waterproof wood glue. Polyeurathane sort of base… excellent bonding… and gives a bit of flex.
I use epoxy as well but for your work….. I can’t comment. Bravo !

-- "Even small steps makes a distance." (Shawn Phillips, musician)

View Loucarb's profile

Loucarb

933 posts in 336 days


posted 27 days ago

Great craftsmanship and design. Well done.

View HalDougherty's profile

HalDougherty

81 posts in 128 days


posted 27 days ago

Fantastic work. How about some pictures of your boat projects?

-- Hal, Tennessee http://www.first285.com

View Innovator's profile

Innovator

3125 posts in 304 days


posted 27 days ago

Very nice looking jig.

-- Whether You Think You Can or You Think You Can't, YOU ARE RIGHT!!!

View antmjr's profile

antmjr

41 posts in 74 days


posted 27 days ago

thank you all; Hal, give a look at this peapod (and here a little trip on board of her) or at the boat I’m currently building if you like

-- Antonio --

View Cantputjamontoast's profile

Cantputjamontoast

172 posts in 323 days


posted 27 days ago

That is one nice jig!!!!

-- "Not skilled enough to wipe jam on toast!"

View Daniel Dugan's profile

Daniel Dugan

7 posts in 56 days


posted 27 days ago

Amazing work Antonio. Thanks for bringing it.

-- -Daniel. "To be, rather than to seem" (not my words, but I like them)

View rosewood's profile

rosewood

209 posts in 232 days


posted 27 days ago

great jig,
i should make ones, thanks for sharing,

Rosewood,

-- http://picasaweb.google.com/deniirawan66

View DaveR's profile

DaveR

1516 posts in 611 days


posted 27 days ago

Nice jig and I love that Peapod. Very nice work.

Ciao!

Dave

-- Until you spread your wings, you'll have no idea how far you can walk.

View a1Jim's profile

a1Jim

16514 posts in 468 days


posted 27 days ago

Very cool Jig Antonio It kind of works on the same principle as the drift-master fence. If someone does not have a built in sliding table you could build a sled to put this on.

-- Jim from Heirloom Woodshop Southern Oregon

View WoodWrangler's profile

WoodWrangler

34 posts in 681 days


posted 26 days ago

Very cool. Reminds me of this screw advance box joint jig I saw a while back …. http://woodgears.ca/box_joint/jig.html (see video at bottom of page)

You do some nice stuff!

-- Jeremy, Charlotte, North Carolina

View antmjr's profile

antmjr

41 posts in 74 days


posted 25 days ago

Thank you all again.
Jeremy, frankly I already knew that Canadian guy and his inventions, and obviously I got inspired by him (I beg pardon I don’t mention him in the general presentation). Anyway there are some differences between his jig and mine. Our european table saws don’t allow mounting a dado blade, hence if you want, say, a 4 mm mortise, you need two cuts: first you turn the handle once (3mm) and cut, then you make a fraction of turn (1/3-> 1mm) and cut; that’s to say you must be able to change the step of the move as needed (I mean, a fixed step doesn’t work).
—-
I have modified my table saw slightly, to get a router table (see here and the following pics if you like) and this jig works well on it too.

-- Antonio --

View 559dustdesigns's profile

559dustdesigns

19 posts in 58 days


posted 25 days ago

Very nice Jig. WoodWrangler beat me to the punch, You might check out the cool contraptions that Matthias Wandel has come up with, at http://woodgears.ca/index.html You both have similar engineering talent, I think you would enjoy this site, if you haven’t seen it. Your jig design is very impressive keep up the great work. Thank you for sharing with us.

-- The difference between the impossible and the possible lies in a man's determination. - Tommy Lasorda

View socalwood's profile

socalwood

968 posts in 495 days


posted 13 days ago

nice set up ! I liked the pics of your shop also . Do you live anywhere near the town of Lentii ?

-- rob

View antmjr's profile

antmjr

41 posts in 74 days


posted 12 days ago

thank you rob. Are you sure you have spelled “Lentii” correctly? I have searched wikipedia, and the only town with similar name I have found is Lenti (with only one “i”) in Hungary, 400 km far away from my home.

-- Antonio --

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