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Thread: Thin Plywood.
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11th June 2014, 11:17 PM #1Senior Member
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Thin Plywood.
Hi guys,
it's been a long time since I've posted.
For those that remember I was in Tasmania doing a Design Degree, well I finished that along with an Honours degree, and am now based in Adelaide as an Associate at the JamFactory in the Furniture Workshop run by Jon Goulder.
Basically I am in need of a bit of help.
Recently developed a low/occasional chair with a wrap around back, for the prototype I used some 3mm Luan plywood from the local supplier, nice and cheap which is good as the chair is upholstered, but it required kerf cutting and was a bit tedious so I am putting the feelers out to see if anybody knows of a place to source some thinner plywood.
What I am chasing is 1.2-1.5mm thick, but it is not the aircraft plywood, far too costly for this. For this purpose I don't care on the grade, as long as it is cheap, and I am not limiting myself to sourcing this from just Adelaide.
Worst comes to worst I'll just stick with the Luan ply for now.
Just wondering if anybody knows of a place that may stock something along those lines?
Cheers
RhysBuy the best tools you can afford and you'll only cry once...
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11th June 2014 11:17 PM # ADSGoogle Adsense Advertisement
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12th June 2014, 12:03 AM #2
Hi Rhys
bending ply? http://www.australply.com.au/index.p.../austral-bendyregards from Alberta, Canada
ian
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12th June 2014, 12:14 AM #3Taking a break
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Proper bendy ply is way expensive ($60-70 per sheet in 5mm). It's also hard to get at the moment (in 7mm) as I recently discovered.
What radius do you need to wrap around? We've been successfully using 3mm 2-core ply from Timberwood Panels in Melbourne for that sort of stuff at work for years. Costs around $18 per sheet and it'll bend around a 200mm radius quite easily, you can probably go to 150mm but I'd advise spraying some water on it and letting it soak in for a few minutes to prevent it snapping.
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12th June 2014, 01:17 AM #4
not a criticism, just an observation
the cost of a component is not just in the raw materials.
If it takes 15 minutes to kerf a piece of ply so that you can bend it, the bent component has around $15 of labour (allowing for overheads) in it just for the kerfing
If a $60 sheet of bending ply yields 15 components that don't need kerfing, that's a "saving" of $225 in labour over the 15 components.regards from Alberta, Canada
ian
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12th June 2014, 08:16 AM #5
Do you mean just 2 sheets of veneer glued at right angles? I found some of these years ago and bought the shop's stocks for my own bending projects (drum rings). I haven't been able to find any since! It was a lot easier and quicker than removing one of the plies from a 3 ply sheet to get the same degree of bendability.
Does the Timberwood shop have its own website? All I can seem to find are business directory references?
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12th June 2014, 08:38 AM #6Taking a break
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12th June 2014, 03:33 PM #7Senior Member
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Excellent mate! Legend! I will chase it up, I'll be in Melbourne in July so maybe I'll arrange to have a look and suss it out. The radius isn't too crazy, but I'll have a check of my cad files to refresh my memory on the radius. $18 a sheet sounds like the sort of stuff I am chasing.
I'm not looking to produce these myself, but for the time being I am just chasing some more suitable ply for the backrest section, kerfing is boring and has potential to weaken the radius section. It's either source some more suitable ply material or maybe have a look at reinforcing the radius with a couple of layers of fibreglass for piece of mind.
Thank you all, I will be in contact with Timberwood Panels!Buy the best tools you can afford and you'll only cry once...
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13th June 2014, 09:35 AM #8
Apparently (never tried it m'self) an old boatbuilders' trick is to put some metho on ply and set it alight to make it bendier. It seems that the heat softens the glue and allows the veneers to slide over each other.
As I say, I've never tried it, but heard of it from several people who've done it. Suggest you try a test piece first.
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26th June 2014, 12:54 PM #9
Perhaps a heat gun or oven might be a safer solution than burning your project?
Good things come to those who wait, and sail right past those who don't reach out and grab them.
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26th June 2014, 01:18 PM #10SENIOR MEMBER
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