Yet Another Tenon Jig

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Project by rmac posted 08-02-2020 05:09 PM 835 views 0 times favorited 3 comments Add to Favorites Watch

I’ve tried a couple of times to make a tenoning jig, but never was too happy with the results. The problem is that the fence on my table saw is a funky aluminum extrusion, vaguely similar to Delta’s Unifence. I was never able to make a jig that rides this fence like you would with a regular fence. No matter what I tried, the sliding action was either too stiff or too loose.

I think this third attempt is going to work better. Instead of trying to make the fence support the jig, I gave the jig a nice, wide footprint so it’s stable just sitting there by itself. Then I made a clamp-like arrangement that positions two pairs of plastic wear pads on either side of the fence to guide the jig.

By loosening the two knobs on the top of the jig, I can adjust the pressure of the pads against the fence. It looks like this will solve the “too stiff or too loose” problem. So far I’ve found the plastic to be slick enough that it’s difficult to get the pressure too tight.

The other interesting thing here is that the part with the T-track and the vertical fence for the actual work piece is removable. This leaves behind a generic “fence follower” to which you can attach various other jigs for raising panels, cutting notches for splines in box corners, and so on.


-- My table saw laughs at hot dogs.

3 comments so far

View Jim Jakosh's profile

Jim Jakosh

26411 posts in 4261 days

#1 posted 08-02-2020 07:02 PM

Excellent Jig. I like the T slot for adjustability and holding power at any location!!

cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View MrWolfe's profile


1643 posts in 1279 days

#2 posted 08-02-2020 07:10 PM

Plus 1 on the Excellent Jig comment.
Looks like it is very versatile and accurate.

View  woodshaver Tony C   's profile

woodshaver Tony C

8087 posts in 4509 days

#3 posted 08-02-2020 07:25 PM

Looks like you developed a nice way to conquer your fence problem Mac. Nice work!

-- St Augustine FL, Experience is the sum of our mistakes!

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