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Mystery Project I #1: Very "Interesting" Glue-Up

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Blog entry by KnotCurser posted 05-11-2011 09:59 PM 3171 reads 0 times favorited 11 comments Add to Favorites Watch
no previous part Part 1 of Mystery Project I series Part 2: Project Revealed..... »

So, you have two half ovals that you have to glue to each other.

At a 90 Degree angle.

The Joint consists of two dadoes – each has to have pressure applied in opposite directions for proper adhesion.

It’s also a curved surface, so clamping won’t be easy…...............

How in the world can this be done? I really didn’t know until I started messing around with a bunch of clamps and a ton of trial and error – mostly error. ;-)

After a bunch of tries, here’s what I came up with:

Okay, let me try to explain the method of my madness:

The Curved pieces are used to apply even pressure and not damage the pieces.

The Two spring clamps as well as the center vertical bar clamp hold the pieces against the fence and table at a 90 degree angle.

The cauls apply even pressure and the rest of the bar clamps put pressure on the cauls.

Got it? Good! Now, someone explain it to me.

AND, in case anyone is worrying, I DID apply clear tape to the table top to keep the glue off.

Anyone care to guess what this is going to be? Hint: They come as a set of two, and they aren’t bookends. ;-)

-bob

-- Robert Rhoades WoodWorks / Email: rrww@rhoadesclan.com / www.rhoadesclan.com



11 comments so far

View grizzman's profile

grizzman

7188 posts in 2051 days


#1 posted 05-11-2011 10:31 PM

your way seems to be doing ok , but your not getting the full amount of pressure you could be getting, if it were me i would cut some plywood to the shape of the ovals and then screw on some straight boards on top of those for your clamps to clamp onto..that would give you more even pressure along the whole joint…that is my 2 cents on this quandary…maybe it will help the next time you glue up an odd shape…yea it takes some plywood or mdf to do it…but if the project is going to be something nice …then to me its worth it…grizzman

-- GRIZZMAN ...[''''']

View grizzman's profile

grizzman

7188 posts in 2051 days


#2 posted 05-11-2011 10:34 PM

but then again if i actually look at what your gluing..you might have done really well…sorry i didnt look close enough..you look like to did just fine with your glue up…sorry …i jumped the gun on this one…oppss…grizzman

-- GRIZZMAN ...[''''']

View KnotCurser's profile

KnotCurser

1852 posts in 1816 days


#3 posted 05-11-2011 10:49 PM

No need to apologize, Grizz! All you were doing was giving advice, and that I will never take as an insult! I want to be told how I can improve – that’s the main reason I joined LJ’s! :-)

I was thinking of using a larger piece of wood, but then I saw the entire gap close down with just the smaller pieces, so I went with that. I did have glue squeeze-out along the entire joint on both sides as well.

Thanks for the comments!

-bob

-- Robert Rhoades WoodWorks / Email: rrww@rhoadesclan.com / www.rhoadesclan.com

View SPalm's profile

SPalm

4935 posts in 2630 days


#4 posted 05-12-2011 12:17 AM

Bookends? :)

Steve

-- -- I'm no rocket surgeon

View BreakingBoardom's profile

BreakingBoardom

615 posts in 1829 days


#5 posted 05-12-2011 12:26 AM

Giant Napkin Holder? lol. Or maybe Magazine ends?

-- Matt - http://breakingboardom.wordpress.com/

View patron's profile (online now)

patron

13171 posts in 2089 days


#6 posted 05-12-2011 12:31 AM

if you got glue out
it is a good way

i’m guessing table leaf sides
that don’t hinge
and oops
you forgot the table ?

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View KnotCurser's profile

KnotCurser

1852 posts in 1816 days


#7 posted 05-12-2011 01:36 AM

I will post the answer as soon as I glue-up the mate of this one.

Or…........... someone guesses correctly.

-bob

-- Robert Rhoades WoodWorks / Email: rrww@rhoadesclan.com / www.rhoadesclan.com

View shipwright's profile

shipwright

5307 posts in 1546 days


#8 posted 05-12-2011 02:27 AM

I don’t know the application so maybe hot animal glue isn’t appropriate but do a search on “rubbed joint”. You can accomplish this joint with huge strength in literally seconds with no clamps. I didn’t believe it either until I tried it. You just can’t smash the pieces apart at the glue line.

If I were going to use pva glue I’d probably clamp it just like you did. Good job.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

View gfadvm's profile

gfadvm

11507 posts in 1438 days


#9 posted 05-12-2011 03:20 AM

Your method looks like it worked. I would have tried a pair of band clamps first. I have no idea what they will be.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View NBeener's profile

NBeener

4806 posts in 1922 days


#10 posted 05-12-2011 04:05 AM

They’re going to be lovely.

I’ve often thought of building a pair for myself.

-- -- Neil

View Gary's profile

Gary

7598 posts in 2181 days


#11 posted 05-12-2011 07:07 PM

I’m with Neil. Always wanted to build a pair but couldn’t figure out how to glue them.

-- Gary, DeKalb Texas only 4 miles from the mill

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