Bowl Turning Paper Joints
George VondriskaDescription
George Vondriska teaches you how to use a paper joint for your bowl turning. A WoodWorkers Guild of America (WWGOA) original video.
I've got a nice piece of maple here that I'm going to turn a bowl out of. And I'm going to do that by mounting a face plate to it. Now that has a couple of ramifications. If I put my face plate on here and I drive screws through the face plate into the bowl, of course when the bowl is done, I'm gonna have screw marks in the bottom of it. That's no good. Additionally, those screws penetrating through the back of the blank, limit how deeply I can cut. Really want my chisel to cut wood. I don't want it to cut screws. So, I gotta have a different method here. I gotta have an alternative technique. One I like to use a lot is to use a dummy board and a paper joint. So this is pretty cool. Paper joints are not only for bowl turning. There's a lot of different applications in woodworking where you can use them. The bottom line is that the paper being in the joint allows you to separate it later. So, done a couple of things here to get ready. I found the center of this blank. Then I dimple the center with a scratch hall. So it's got a distinct center point. Now on my dummy board, when I cut those, a center point is left here in this disc. So I drove a nail through. So the nail is sticking out the backside just a little bit. I'm gonna eventually wanna engage that nail into that hole. That's why it's projected out like that. That's about all it takes to get ready. The dummy boards could be cut from anything. This is cut for from scrap plywood that I had. So now, we glue this surface. And glue this surface. The paper is absolutely low tech. This is just cut out of a brown paper grocery bag. You do wanna use paper that's porous, not shiny. So like a printed page out of a magazine, wouldn't work very well for this because that would prevent the glue from soaking into the paper. We need something porous. Now that nail found the center of my blank. So that's all set to go. All I need to do is clamp it. Anytime you're gluing something up for lave turning, your best bet is to leave that sit overnight. So the glue has a good chance to cure. The last thing we want is, for this is to separate while we're working on it. That's all set.
Can you show turning with this joint and the removal of the joint at the end of the turning? What happens to the nail?
Does the paper make it easier to separate the backer from the blank? Is there any special method to remove the disc?
<strong> Ticket 19615 I appeared as though George had doubled the brown paper placed between the pieces of wood. Is this the case, or was it a single layer?
can i use this paper joint on any kind of hard wood? can it be any size of wood or just use on small blanks ?