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Jewellery Box - Miter Joint Glue Failure

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Project by woodworm posted 2185 days ago 7933 views 2 times favorited 27 comments Add to Favorites Watch
Jewellery Box - Miter Joint Glue Failure
Jewellery Box - Miter Joint Glue Failure No picture No picture No picture No picture No picture
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Attempted twice miter joint glue-up, after 2 days it failed the light hand force test.
Thinking of beter solution, undecided yet.

-- masrol, kuala lumpur, MY.





27 comments so far

View Karson's profile

Karson

34860 posts in 3002 days


#1 posted 2185 days ago

A spline, a small biscuit put in each face. Ryobi used to make a biscuit tool that used biscuits smaller than #30 They were intended for picture frames.

I’ve seem them around but not a lot of places. maybe Sears.

Found it

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View TheCaver's profile

TheCaver

288 posts in 2441 days


#2 posted 2185 days ago

Strange, I’ve had a few small miters that I could not spline, but they held up very well.
What glue are you using?

I normally use either miter keys or hidden splines cut on the router table.

-- Somewhere, something incredible is waiting to be known. -Carl Sagan

View ChuckM's profile

ChuckM

496 posts in 2268 days


#3 posted 2185 days ago

Try Titebond III glue – it makes really strong bonding even for end grains. Do your light hand force test after 24 hrs. By the way, from the pic of the joints, there doesn’t seem to be much glue residue on them. End grains need lots of glue.

-- The time I enjoy wasting is not time wasted

View Lee A. Jesberger's profile

Lee A. Jesberger

6646 posts in 2581 days


#4 posted 2185 days ago

Hey woodworm;

Chuck is right, this joint looks glue starved.

If you are clamping this, it’s possible you’re tightening it too much, and squeezing out all the glue.

Hey Karson;

You did me a great service.

I was wondering where to get these mini biscuits.

There are time when these little guys are the perfect answer!

I might just buy the joiner too while I’m at it, just in case mine breaks.

Thanks;

Lee

-- by Lee A. Jesberger http://www.prowoodworkingtips.com http://www.ezee-feed.com

View woodworm's profile

woodworm

14124 posts in 2192 days


#5 posted 2185 days ago

I used white glue, very cheap, surely not Titebond.
I went to the nearest ACE Hardware store recently, saw one last bottle of Titebond II on the shelve.I just passed by since I still have half a gallon of white glue. I should have purchaced and used Titebond glue.

-- masrol, kuala lumpur, MY.

View lazyfiremaninTN's profile

lazyfiremaninTN

528 posts in 2555 days


#6 posted 2185 days ago

Tite Bond is the answer to almost all questions. And I always put glue on my miters, give it 3-4 minutes, then put another coat of glue because the end grains soak up the glue.

-- Adrian ..... The 11th Commandment...."Thou Shalt Not Buy A Wobble Dado"

View tpastore's profile

tpastore

105 posts in 2418 days


#7 posted 2185 days ago

On a joint like that I will typically “prime” the joint using thinned titebond. Brush it on and let it dry. Once dry, brush on another coat. If it soaks in, repeat the process until it does not soak in. Once it is sealed, then use the full strength glue. A biscuit, spline, or key of some sort does go a long way though.

Tim

View woodworm's profile

woodworm

14124 posts in 2192 days


#8 posted 2185 days ago

Thanking you all for the tips and suggestions.
Work safe.

-- masrol, kuala lumpur, MY.

View Brad_Nailor's profile

Brad_Nailor

2531 posts in 2559 days


#9 posted 2184 days ago

All good info…..end grain is a biatch, you really have to prime it like everyone says….and try not to clamp the glue out of the joint like Lee said…I know I am guilty of over squeezing clamps! I read somewhere that you should only tighten a clamp as tight as you can make it with your opposite hand. So if your right handed make your last turns with your left hand…I do this and it seems to help a little. And for miters I like to use a ratcheting band clamp..especially in your case where you don’t have allot of flat edges to get good clamp placement.

-- http://www.facebook.com/pages/DSO-Designs/297237806954248

View woodworm's profile

woodworm

14124 posts in 2192 days


#10 posted 2184 days ago

Thanks Brad,
Yes I think I over tightened the clamps.

-- masrol, kuala lumpur, MY.

View Canexican's profile

Canexican

106 posts in 2279 days


#11 posted 2184 days ago

I use the same technique as tpastore. I’ve had great results using that method.

-- www.woodshopdude.com

View davidtheboxmaker's profile

davidtheboxmaker

373 posts in 2407 days


#12 posted 2184 days ago

Sounds like you’ve had some cheap glue on the shelf for a long time.
Cheap glue is not always the best buy.
Glue goes off after a while, starting from when you first open the container.
I agree with the priming advice above – I use tape to hold the mitres together – if you need a lot of pressure your doing something wrong.

View Napaman's profile

Napaman

5315 posts in 2679 days


#13 posted 2184 days ago

hey thanks for sharing this post…it is why i love LJ’s…woodworkers helping each other…great knowledge shared here…

-- Matt--Proud LJ since 2007

View dsb1829's profile

dsb1829

367 posts in 2229 days


#14 posted 2184 days ago

Great comments here already. First thing that stuck me is that the joint looks to not have even been glued. Where’d it go? Then you mention having half a gallon left. Eek, with the shelf life of glue you may just be past it’s prime. I am a fan of the smaller bottles. Yes, it is a bit more expensive that way but I usually use it before it goes bad. Or in the case that it hangs around too long I am not tempted to hang onto it since it is a smaller volume.

To those posting about sealer coats or multiple coats of glue, have you tested these joints to failure? Sounds kind of like hide glue techniques, but I hadn’t seen this done with titebond.

-- Doug, woodworking in Alabama

View Paul's profile

Paul

341 posts in 2191 days


#15 posted 2184 days ago

I’ve had the Sears small biscuit tool for a few years, it works well , the only place I’ve found for the bisucits is at Sears. This tool is too small to use for other projests so it is sort of dedicated to light use.

-- If you say 'It's good enough', it probably isn't.

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