Darryl Keil Last Activity 2025-09-09 11:09 AM
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texasthunderwoodwork

Posts: 25

Joined: 2007-10-31
Location: Central Texas

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Subject : Working in a Vacuum- questions
Posted : 2007-10-31 11:04 AM
Post #34149
I just finished watching the video- Working in a vacuum, and had a couple questions.
In the video darryl is veneering a column, but it didnt say how the column was made? Was it a prefab? And is it possible to use a pvc pipe to veneer around?

Also, in the topic of form bending with the bending ply inside the bag and the form on the outside- How do you deal with glue squeeze out getting on the inside of the bag?

Very, Very informative video, darryl makes it all look so simple.

Thanks
Dave



 
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craig tufankjian

Posts: 308

Joined: 2004-02-01
Location: syracuse ny 13208

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Subject : RE: Working in a Vacuum- questions
Posted : 2007-10-31 12:34 PM
Post #34151 - In reply to #34149
hi dave,

yes the column was pre-fab, well thats my educated guess anyway. Do a google search for plywood cylinders and you will find a myriad of suppliers.

There are also other companies that sell a slew of other shapes such as half round, quarter round, 3/4 round in various radi and lengths.


 
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craig tufankjian

Posts: 308

Joined: 2004-02-01
Location: syracuse ny 13208

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Subject : RE: Working in a Vacuum- questions
Posted : 2007-10-31 12:45 PM
Post #34152 - In reply to #34149
Hi Again,

and yes you can veneer pvc pipe. epoxy glue should be used.

I have veneered pvc 6 inch pipe in the past for table column bases. aside from using epoxy clean the pipe with acetone, This will dull the pvc and give the epoxy something to "bite".

While I dont know whether or not the press will squash the pipe I didn't take chances so i put two expandable clean out plugs in both ends of the pipe to avoid crushing. What these are is a plug with a wing nut on the end, you place it in the end of the pipe and , turn the wing nut which expands a rubber gasket tight to the inside diameter of the pipe. they do not interfere with the outside of the pipe as a end cap would.


 
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texasthunderwoodwork

Posts: 25

Joined: 2007-10-31
Location: Central Texas

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Subject : RE: Working in a Vacuum- questions
Posted : 2007-10-31 1:30 PM
Post #34153 - In reply to #34152
Craig
Thanks for the info. I kinda thought epoxy should be used, but that was a great tip on the plugs for the ends.
BTW- I tried to visit your web site (from your profile) and it says that domain does not exist.

thanks
Dave



 
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craig tufankjian

Posts: 308

Joined: 2004-02-01
Location: syracuse ny 13208

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Subject : RE: Working in a Vacuum- questions
Posted : 2007-10-31 7:21 PM
Post #34154 - In reply to #34153
Hi Dave,
yes the site is down , I am revamping the site.


 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: Working in a Vacuum- questions
Posted : 2007-10-31 10:00 PM
Post #34155 - In reply to #34149
Dave,

Cylinders are way to difficult to make in my opinion. I buy them to the diameter I want. You cant get every single size you may want but the choices are enough to work with.

Glue squeeze out should not be a major issue if you are careful to apply a thin even glue line. A little beading of glue around the edge is what I look for. Yellow glue doesn't stick to the bag much anyway but polyurethane glues are definitely a problem. I will wrap or drape the project with 4mil plastic when using urethane glues or if I think there's going to be excess squeeze out. Epoxy can be somewhat aggressive as well, but not as much as polyurethane.

Sincerely
Darryl Keil
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