This is how I glued up the bowl I was experimenting with.

 

I put some glue on the bottom of the bowl and covered it with wax paper.  Then the block of wood I am going to attach the face plat to, I also covered with glue and added a piece of wax paper on it.  Then I glued up the wax paper on the bowl, to the wax paper on the block which will hold the face plate.  

 

When it came time to release the block from the bowl, it destroyed the bowl.  Cracked it.  

 

Did I use too much glue?  The wrong glue?  I used titlebond III.  Should have I not covered the entire surface of the block with glue?  

 

Help, I don't want to destroy the next bowl.  

 

Appreciate any help.  

 

SQ

 

 

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It it can't be fixed with glue and sawdust - it's not worth fixing.

Couple of questions-

How did you try separate the bowl from the waste block- a sharp chisel at the paper joint line works best and work/tap it in at several places around the perimeter. I have found that brown paper bags work really well. They are more fibrous and a little thicker.

Instead of making a paper joint, have you considered just a standard wood to wood glue joint and then use a parting tool to cut off the finished piece? 

Lew

It was whacked with a wooden mallet on the block of wood.    No didn't use a sharp chisel at the paper joint, but will next time.  Good idea about the paper bags.  Will give that a try.    

 

I have never used a parting tool.  But that's certainly an idea.  I will have to find out if we have a parting tool.

 

Thanks so much for the help.  

 

SQ 

 

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It it can't be fixed with glue and sawdust - it's not worth fixing.

No problem. If you're like me, you will find the parting tool is very useful for things beside "parting off". I use it for detailing, setting diameters (while using the calipers) and anything else that I can think of. It looks like this:


SQ said:

It was whacked with a wooden mallet on the block of wood.    No didn't use a sharp chisel at the paper joint, but will next time.  Good idea about the paper bags.  Will give that a try.    

 

I have never used a parting tool.  But that's certainly an idea.  I will have to find out if we have a parting tool.

 

Thanks so much for the help.  

 

SQ 

 

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It it can't be fixed with glue and sawdust - it's not worth fixing.

LOL Yes, we do have one - just didn't know what it was called. Thanks for the picture and tips on what it can use it for.    Hoping to be able to separate these pieces without destroying the bowl next time. I never realized until know that separation anxiety could be applied to woodworking.  

 

SQ

 

Lewis Kauffman said:

No problem. If you're like me, you will find the parting tool is very useful for things beside "parting off". I use it for detailing, setting diameters (while using the calipers) and anything else that I can think of. It looks like this:

SQ said:

Rather than glue the next time, try some carpet grade double faced tape.

 

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Lare..

Would that really keep the bowl from flying off the lathe?  If so it would also be a heck of a lot easier.  What a GREAT idea!!!  

Are you sure they won't take flight?  Seriously, I could use double faced carpet grade tape on bowls that were as large as 15 inches in diameter?  Have you personally tried this? Could I find this tape  at like Home Depoe?

 

SQ

 

 

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It it can't be fixed with glue and sawdust - it's not worth fixing.

Sue..

All the Big Box stores that carry carpeting will have the carpet grade double faced tape.  I have used it with success, but was careful not to take heavy cuts and slow the turning speed down a notch just in case.

Other turners here with a lot more experience than I have will guide you.

 

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Lare..

SQ you can do the paper glue up but like Lew said you will need to work the joint apart with a chisel. I have used super glue or hot melt glue to put the joint together. Then just take a chisel and work the joint loose.

 

As far a double sided tape goes. I have not used just the carpet tape from Lowe's or HD. It may be the same stuff, but I purchased a roll of double sided turners tape. I have used to hold patterns on while routing and other things. I will hold pretty good. As Larry said, though, don't use it and then try to take to large a bite. Small cuts and keep it slow.

 

Sorry about the broken bowl and it was looking like a very nice one. I guess you proved what they say, the glue is stronger than the wood.

 

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John Moody
John Moody Woodworks
http://www.johnmoodywoodworks.com

Before I realized I was going to have a problem separating the wax paper layers, I glued up to more bowls using the same technique.  Will use a chisel to loosen the layers this time and hopefully will not have a problem.  Will look into that turners tape.  

 

This machine has variable speeds which you turn up or down while the motor is running.  I like the slowest speed and I take small bites with the tools.  This new bowl I have on the lathe right now, was never touched by the tilting spindle sander so it was much rougher when I started out.  Held onto the tool much tighter than before.  

 

Thanks for all your ideas and comments.  

 

SQ


John Moody said:

SQ you can do the paper glue up but like Lew said you will need to work the joint apart with a chisel. I have used super glue or hot melt glue to put the joint together. Then just take a chisel and work the joint loose.

 

As far a double sided tape goes. I have not used just the carpet tape from Lowe's or HD. It may be the same stuff, but I purchased a roll of double sided turners tape. I have used to hold patterns on while routing and other things. I will hold pretty good. As Larry said, though, don't use it and then try to take to large a bite. Small cuts and keep it slow.

 

Sorry about the broken bowl and it was looking like a very nice one. I guess you proved what they say, the glue is stronger than the wood.

 

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John Moody
John Moody Woodworks
http://www.johnmoodywoodworks.com

My poor bowl.    I really liked that design, and plan to make another using better construction techniques.  That bowl had issues from the beginning.   

 

Appreciate all your comments and ideas.  

 

SQ


John Moody said:

SQ you can do the paper glue up but like Lew said you will need to work the joint apart with a chisel. I have used super glue or hot melt glue to put the joint together. Then just take a chisel and work the joint loose.

 

As far a double sided tape goes. I have not used just the carpet tape from Lowe's or HD. It may be the same stuff, but I purchased a roll of double sided turners tape. I have used to hold patterns on while routing and other things. I will hold pretty good. As Larry said, though, don't use it and then try to take to large a bite. Small cuts and keep it slow.

 

Sorry about the broken bowl and it was looking like a very nice one. I guess you proved what they say, the glue is stronger than the wood.

 

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John Moody
John Moody Woodworks
http://www.johnmoodywoodworks.com

LOL  drying ones hair in the shop is perhaps not ideal.  

 

Thanks for the ideas.

 

SQ

Jari Kilpi said:

Greetings SQ

 

I use hot glue gun, Bosch I think is the brand. Glue it, let it settle over night, turn it gently as I have done what you did, glue did hold on but wood didn't. When it needs to be separated, option 1 is parting tool or option 2. (Wife is not happy with this option) is to warm the glue with hair dryer and with gentle pressure pieces come loose. Remember to return the hairdryer before wife needs it.

 

Happy turnings

 

Jari 

Thanks everyone for all the comments and tips. You have all been a HUGE help!   I plan to utilize many of these ideas.  I am determined not to destroy the next bowl which is currently on the lathe.  

 

SQ

 

 

 

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It it can't be fixed with glue and sawdust - it's not worth fixing.