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Box Joint Jig

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Project by Maveric777 posted 1594 days ago 4877 views 28 times favorited 16 comments Add to Favorites Watch

This is the newest addition to my collection of jigs. I seen a few videos and looked at tons of designs and came up with this. I wanted something that is adjustable so no matter what size I set my dado blade I can set the jig to accommodate it.

The key (what I call the piece that fits into the dado cut to align the next cut) was made out of an old small square my employer was going to throw away (the handle broke… making it not a square anymore…lol). I cut, ground, filed, drilled, and cursed both pieces until I got it where I wanted it. The inside (closest to the blade) part of the key is adjustable to match the thickness of the dado cut. You can see in picture #4 the adjustment for it.

I used a small section of T-Track I picked up on sale from Rockler to make the right side of the base movable then tighten down when the desired distance from the blade is achieved. What I found works is I measure the cut of the dado. I then multiply by two, then measure from the edge of the inside key to the edge of my cut line on the left base. Seems to work pretty good so far.

I used hard board on the face of the fence to make it easier to replace the middle section when it gets wore out. You can see on the first pic how the fence has 3 pieces on the fence. Two are there to stay… The middle is replaceable.

I did have to make a few changes… First I used my miter slide that came with my table saw as I have seen on many other similar jigs. It didn’t work out to well for me. It tend to move around making it hard to make perfect cuts. So I made a miter slide out of red oak scraps I had around the shop and that fixed that. No movement at all in the jig now.

The only other thing I think I will do is figure out a way to make the left side of the base easier to adjust. It isn’t hard now, but I have to bump and tap it to get minute movement. I have something in mind, but ran out of time to give it a try… Maybe later….lol

Thanks for checking out my jig.

-- Dan ~ Texarkana, Tx.





16 comments so far

View bigike's profile

bigike

4031 posts in 1915 days


#1 posted 1594 days ago

cool looken jig i might have to make one like this, if it’s ok with you? ;)

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

View a1Jim's profile

a1Jim

112011 posts in 2204 days


#2 posted 1594 days ago

I made this jig from” shop notes” it works very well.

-- http://artisticwoodstudio.com Custom furniture

View Routerisstillmyname's profile

Routerisstillmyname

697 posts in 2136 days


#3 posted 1594 days ago

Awesome!

-- Router รจ ancora il mio nome.

View degoose's profile

degoose

6993 posts in 1982 days


#4 posted 1594 days ago

Very well constucted …. and variable too.

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...

View woodwkjohn's profile

woodwkjohn

14 posts in 1680 days


#5 posted 1594 days ago

Hey Dan. I just looked at my e-mail and found your blog on your jig. Looks great, you can send me the blue prints. lol We are still on the road, in Chattanooga will be home in San Diego on 17th. Take care keep up the good work. Uncle John

-- woodwkjohn

View ChuckM's profile

ChuckM

497 posts in 2293 days


#6 posted 1594 days ago

Those who want to learn about the Shopnotes’ jig as mentioned by a1Jim can find out more details here: http://www.woodcentral.com/shots/shot635.shtml

-- The time I enjoy wasting is not time wasted

View Bricofleur's profile

Bricofleur

1125 posts in 1820 days


#7 posted 1594 days ago

Adjustable! This is clever (read indispendable). Thanks for sharing.

Best,

Serge

http://www.atelierdubricoleur.spaces.live.com

-- Learn from yesterday, work today and enjoy success tomorrow. -- http://atelierdubricoleur.wordpress.com

View donjoe's profile

donjoe

1360 posts in 1658 days


#8 posted 1594 days ago

Nice jig. Well designed and built. I made one fashioned after this. It works great. Well done on your project.

-- Donnie-- listen to the wood.

View NormG's profile

NormG

4092 posts in 1631 days


#9 posted 1594 days ago

Looks great, meets your needs and you appear to have learned some skills from building it. I like the recycled SQ. into the new jig.

-- Norman

View WistysWoodWorkingWonders's profile

WistysWoodWorkingWonders

11908 posts in 1784 days


#10 posted 1594 days ago

This is a great looking jig…. hope it works as good as it looks… finger joints enhance a lot of projects so a worthwhile jig to have around…

-- New Project = New Tool... it's just the way it is, don't fight it... :)

View RexMcKinnon's profile

RexMcKinnon

2593 posts in 1822 days


#11 posted 1594 days ago

Lots of nice features. Cool.

-- If all you have is a hammer, everything looks like a nail!

View Kristoffer's profile

Kristoffer

670 posts in 1843 days


#12 posted 1594 days ago

Nice job. I keep meaning to make one of these, the, I forget, then I remember, then I forget and so on. I don’t think that I’m going to make it adjustable, but that is a great idea.

-- Cheers and God Bless

View Triumph1's profile

Triumph1

833 posts in 1706 days


#13 posted 1593 days ago

The fixture looks great…I have yet to build one of these. Can’t wait to see the hinges and the box they are attached to! Great job Dan.

-- Jeff , Illinois Please...can I stay in the basement a little longer, please!

View Maveric777's profile

Maveric777

2690 posts in 1704 days


#14 posted 1567 days ago

Are you talking about the fingers I cut out of an old square that adjust Notottoman? If so I can tell you first step is to start cursing and get that out of the way….lol

-- Dan ~ Texarkana, Tx.

View Ken90712's profile

Ken90712

14878 posts in 1816 days


#15 posted 1556 days ago

Cool jig and web page post!

-- Ken, "Everyday above ground is a good day!"

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