Separating a Bowl Paper Glue Joint

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Paper joints provide a great way to fasten sacrificial or dummy boards to the back of a bowl blank. There a number of benefits. The dummy board provides a place you can drive screws from the faceplate, without having to put the screws directly in the bowl. That means no screw holes in the bottom of your bowl, and you don’t have to worry about hitting screws as you hollow the bowl.
The technique:
There are tricks and tips for separating paper glue joints. It’s a race that goes to the slow and steady, not the swift. You’ve got to be patient, and slowly work your way around the bowl. A wide bench chisel is the best choice of tool for convincing the bowl is should separate from the dummy board. The direction the bevel on the chisel faces is very important, as is the general approach you take to using the chisel. It’s all about wedging, not prying.
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Creating the paper joint:
If you’re interested in using paper joints on your bowl turning projects, but aren’t sure where to start, we can help you out. There are a number of tricks in this process that will help contribute to your success. A great companion to this video on separating paper glue joints is our video that covers creating paper joints for bowl turning. You’ll learn the best methods for setting up and using a paper joint on your bowl turning projects.
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[@gcbound]

Great video - thanks! I wish I could give it another thumbs up for "separation anxiety"

[@leksey7870]

Convenient way! Remains clean the surface of the bowl.

[@Thom4123]

Glue squak is this a technical term lmao. Can I use that I love it.

[@TheOtherGuybo]

Thanks. You are funny, in a dad sort of way. Do you reuse the same waste plate?

[@WoodcutComponents]

Wood turning separation

[@davidchance4418]

Just saw this and I had a question about using plywood vs a piece of hardwood. Isn't there some risk of delamination with the plywood? Thanks,

[@Wwgoa]

Hi David. Theoretically, yes, but I've never experienced this. As long as you use good quality plywood and operate your lathe at safe speeds I wouldn't foresee it happening. Thanks Paul-Woodworkers Guild of America

[@scottwelty7095]

Paper joint worked great my first time. On the second one the glue joint blew apart when I started hollowing out the bowl. What happened?

[@MathIsGreatFun]

I wonder if it might be uneven glue spread, or perhaps turning at too high of a speed. I am by no means an experienced turner, but I focus on using a good amount of glue and clamping pressure for some squeeze out. I also find that I "muscle" through with the bowl gouge when it starts to dull and before I recognize that I am doing it. This, too, might put undue force on the paper joint. I hope you have solved the problem!

[@fiberinspector1304]

Blessed be the widows son, from a past master