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The Box Joint Machine (Another Stumpy Design) - Part 1

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Blog entry by William posted 865 days ago 3738 reads 2 times favorited 7 comments Add to Favorites Watch

There is much debate about which is better, dovetails or boxjoints. Well I like them both and want to be able to use them both easily. So after building Stumpy's Dovetail Machine, I decided I also wanted the Box Joint machine he designed. For once in my dang life though, I’m jumping right in without procrastinating.
First thing on today’s list was to do some shopping for supplies to get his thing started, then I was back in the shop.

The carriage part of the machine was simple enough.

Then I attached the sides.
I wanted the longest slide I could find for this project, you know, just in case. The longest I could find was only twenty two inches. They are full extension though in three sections instead of two, so they go way out there. Because of this, I attached my slides a tad differently than Stumpy’s design. With these three piece slides, I just had to play with it to figure out the best placement for them to work and still get the maximum extension of the carriage.

On the base, I used a trick I learned a long time ago for truing up runners when using both miter slots.
All you have to do is square one runner to your base. Glue it and attach it however you want, being extra careful that it is square. I used glue and some small screws.
Then, place some quarter inch washers into both miter slot.
Place your other runner into the other miter slot on top of the washers and run a small bead of glue on top of it. The washers will hold the runner slightly higher than the table.
Then, making sure the washers in the first miter slot are under where you’re setting the base down, set the base down with the slot that’s already attached into the slot and line up your other runner, front to back, before the glue sets.
Now go have a cup of coffee, cigarette, whatever you want, and let the glue set up for about twenty or thirty minutes.
Come back, carefully remove the base with the runners now in place. Turn it over and put screws into your second miter slot.
I’ve never had this method fail me. You now have a smoth running base that rides in both miter slots perfectly.

Then I attached all I’d done earlier to the base.

I had planned on doing more on this today. However, I don’t have my bronze bushings that go into this setup for the rod that runs through it. The only place open today was Home Depot. I tried explaining to the sale people there what I was looking for and all I got was these weird looks like they maybe thought I was retarded. So it looks like tomorrow I have to run back to town to a real hardware store and get some bushings.

If any of you are interested in this machine, or more specifically, building your own, HERE is where you can purchase the plans at.

-- http://wddsrfinewoodworks.blogspot.com/



7 comments so far

View Dave's profile

Dave

11149 posts in 1466 days


#1 posted 865 days ago

You are on machine making frenzy. Looking good William. Stumpy needs to hire you as a catalog.

-- Superdav "No matter where you go - there you are." http://chiselandforge.com

View DamnYankee's profile

DamnYankee

3233 posts in 1188 days


#2 posted 865 days ago

Looking good William.

-- Shameless - Winner of two Stumpy Nubs Awards

View StumpyNubs's profile

StumpyNubs

6163 posts in 1427 days


#3 posted 865 days ago

:)

-- It's the best woodworking show since the invention of wood... New episodes at: http://www.stumpynubs.com

View boxcarmarty's profile

boxcarmarty

9128 posts in 986 days


#4 posted 864 days ago

Let’s see some sawdust…..

-- My mind is like lighting, one brilliant flash, then its gone.....

View William's profile

William

8975 posts in 1469 days


#5 posted 864 days ago

Thanks guys.
Part 2 is coming in a few minutes.

-- http://wddsrfinewoodworks.blogspot.com/

View Dave's profile

Dave

11149 posts in 1466 days


#6 posted 864 days ago

well hurry up. Slow pokin wood worker

-- Superdav "No matter where you go - there you are." http://chiselandforge.com

View DIYaholic's profile

DIYaholic

13268 posts in 1301 days


#7 posted 863 days ago

I wasn’t able to comment earlier as I read this post as an email.
Now that I’m here, I can say; LOOKING GOOD!!!

Love the runner alignment tip. I will have to remember it for, the not so distant, future use.

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procratination a bad thing?

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