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Thread: Bending Veneers
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1st March 2021, 02:18 PM #1SENIOR MEMBER
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Bending Veneers
Hi, I am making some small sail boats as gifts. The sail is about 180X100mm & 2.5mm thick from Silky Oak & Tas Myrtle. I have made a jig to curve some shape into the sails & am wondering how to get them to hold that shape. Can I steam the veneers & let them dry on the jig? If so, how long do I steam them? Or, any other suggestions. Peter
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1st March 2021, 02:49 PM #2
Usual rule of thum is to steam for one hour per 25mm thickness. But veneers have been kiln dried which impacts the lignin in the timber and they do not bend as well as slightly green air dried timbers. Steaming for about 15 minutes should work OK.
Secondly, the wood has memory and will spring back. Suggest that you make the beding form with a bit more bend than you need, (perhaps 20%) so that it will spring back to your target. I'd leave it on the form for at least 30 minutes, and then rest it between chocks untill it cures in the desired shape. (Put it the other way up and its own weight will flatten it a little.)
Veneer.jpg
Commercial veneer is only 0.6mm thick so those sails will be fragile.
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1st March 2021, 03:57 PM #3SENIOR MEMBER
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Thanks for that information! The veneers are 2.5mm thick that I have re-sawn from air dried timber. I will reshape the form, good observation. Peter
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1st March 2021, 04:07 PM #4
I've bent thin (0.4mm) veneers without steaming. To make them hold their shape, laminate three layers together using epoxy glue. You can bend quite tight curves.
Gift box New Age veneer 2.jpg
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1st March 2021, 04:18 PM #5SENIOR MEMBER
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Veneer
Thanks Alex, lovely work! I am stuck with the 2.5mm re-sawn veneers, for now. Next time I will cut 1mm slices & glue them as you suggest. Peter
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