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 Post subject: veneering question
PostPosted: Wed Apr 21, 2010 1:55 pm 
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Walnut
Walnut

Joined: Sun Jul 27, 2008 11:07 pm
Posts: 25
Hey everyone,

I have a veneering quandary I'm hoping to get answered by you pros. How would I go about slapping a burl veneer on a dome topped instrument? The instrument in question is an ibanez sabre series I am retopping with a nice walnut burl veneer. Flat top-easy. I'm worried about a domed top, though. Will I get wrinkles around the waist, or will the veneer "stretch" over the highest point (bridge area) to allow for a flat, wrinkle-less surface? Do I HAVE to use a vacuum set up, or is there a way to evenly disperse weights around the top? So many questions from the lurker....

Thanks in advance!


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 Post subject: Re: veneering question
PostPosted: Wed Apr 21, 2010 3:07 pm 
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Koa
Koa
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Joined: Mon Mar 26, 2007 6:42 am
Posts: 564
Location: United States
First name: Stephen
Last Name: Ziegenfuss
City: Jackson
State: MI
Zip/Postal Code: 49203
Country: USA
Focus: Build
Status: Semi-pro
In my experience:

1. Vacuum setup is a must
2. You have to be skilled in working out potential wrinkle areas during vacuum application. If the top is too curved for the burl to distibute the stress / deformations easily, it will tear/ wrinkle.

It is a difficult thing. The first time I tried to do this, I ended up sanding the top off and laying on a full 0.5" of the wood I wanted in order to recarve the top. I have never turned back from that method.

Let us know what you try!
Stephen

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www.ziegenfussguitars.com


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 Post subject: Re: veneering question
PostPosted: Wed Apr 21, 2010 4:33 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Fri Nov 03, 2006 6:50 pm
Posts: 2711
Location: Victoria, BC
First name: John
Last Name: Abercrombie
Status: Amateur
I've never done this, but if I were to try, I think I'd pre-treat the veneer with a 'softener' like SuperSoft II.

It might help.

I've done quite a bit of (flat) veneering as well as curved laminations, and I agree 100% with Stephen's comments. [:Y:]

Cheers
John


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 Post subject: Re: veneering question
PostPosted: Tue Apr 27, 2010 1:29 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Fri Aug 19, 2005 4:02 am
Posts: 3264
Location: The Woodlands, Texas
First name: Barry
Last Name: Daniels
Veneer has very little stretch. I think what you are proposing is not possible.

When I make archtop plates with veneer, I cut "darts" at a few points around the lower arch to allow the veneer to conform to the plate. But this is utilizing a vacuum bag and a two part form.


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