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

Posts: 75

Joined: 2003-12-04
Location: Pensacola FL

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Subject : veneer compound curve face
Posted : 2004-05-11 9:40 PM
Post #31520

Anybody have any tips for doing a compound curve surface? I have a piece that will have slight undulation in both directions on the face. I will try to keep it shallow and soft enough to allow the veneer to mold without splitting or bunching. Anyone have any experience doing this?


 
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Jeff Patrick


Joined: 2004-04-15
Location: Bainbridge Island, WA

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Subject : RE: veneer compound curve face
Posted : 2004-05-13 7:28 PM
Post #31526 - In reply to #31520

In one of the past issues of Fine Woodworking, Daryl Keil had an article describing how he veneered the surface and bullnose edges of a circular table top. As I recall, he had the bag press slowly while he coaxed the veneer flat with a small roller. You might look up that article. Perhaps, Daryl will respond here himself.


 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: veneer compound curve face
Posted : 2004-05-14 10:06 PM
Post #31527 - In reply to #31526

Earl,

Well, I was actually waiting for a woodworker who recently did some compound curved veneering to post a reply to your question. He said he was going to, probably got busy and forgot about it.

In the mean time I will offer a few ideas. One, you can make the veneer more plyable with a softening agent called GF-20. You can get that from me or Veneer Systems. Second, you can slightly wet the veneer right before you press it, careful on this one not to wet it too much. The success of wetting depends on the species of veneer and how big the piece is. Third, you can massage the veneer right through the bag as it is being drawn down. You would do this in steps where you turn the press on, then stop it. Massage the veneer, then turn the press on again for just a few seconds, stop it, massage. Keep doing this on/off thing until the bag is full pulled down. Ive found this technique to work on fairly radial curves, up to a point.

Sincerely
Darryl Keil


 
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Earl

Posts: 75

Joined: 2003-12-04
Location: Pensacola FL

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Subject : RE: veneer compound curve face
Posted : 2004-05-15 9:04 AM
Post #31529 - In reply to #31527

Thanks, Jeff and Darryl. This is the kind of info I was looking for. I am doing this in a 5 ply with a thick solid core. I was planning on laying up the first layer and then making another pressing for the faces. I am thinking of even doing a dry run to see how the veneer will lay or if it will have a tendency to split when stretched. This will be with rosewood or Koa with a mahogany underlayment.

Also, Darryl, if you have an exposed veneer edge, with no solid or veneer protedting it. Is there anything extra, other than a good glue up, that you would do?


 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: veneer compound curve face
Posted : 2004-05-17 3:39 PM
Post #31530 - In reply to #31529

Earl,

A little extra glue right at the edge for good saturation is about all you can do.

Sincerely
Darryl Keil


 
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Keith Newton

Posts: 4

Joined: 2004-05-25
Location: Little Rock, Arkansas

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Subject : RE: veneer compound curve face
Posted : 2004-05-25 4:03 PM
Post #31559 - In reply to #31520

I did a desk for Hillary Clinton back when she was first lady of Arkansas, that the back had compound curves. This was the back of a console which was about 3" over the back half of the desktop. It had about 4" of curve down the length, and tilted back a couple of inches also with about 1" of hollow on the ends which was perpendicular to the first axis.
The process that I used worked fine, and even produced an unexpected benefit. When I clamped the parts to the form; which was the back of the carcase which was assembled dry, or without glue,; forcing a hollow into the ends, the middle bulged in the opposite direction.
I don't have a back view of that desk scaned, but you can see it from the end on my website @ http://www.treetales.com then click on the furniture listing. If there is enough interest, let me know, and I'll find and post a back shot, and give how to details.
This is my first post on this forum. I was led to it by Paula who had posted the same question yesterday on the Furniture Society's forum.
By the way I have been getting enough request to teach lately that I am planning on having a weekend workshop sometime in the next few months. Paula has signed on, if any of you are interested get in touch, and I or we can set a date. But first I have a oneman show which opens in a couple of weeks that will have about 80 of my works in it, and I have lots to do before then; Cheers Keith


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