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Bent laminations: maximum widths?

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Forum topic by ben posted 177 days ago 133 views 0 times favorited 3 replies Add to Favorites
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ben

154 posts in 352 days


177 days ago

Question from the noob:

Are there “sensible” maximum widths (not thicknesses) when doing bent laminations? All of the examples that I’ve seen were of widths < 3”, so I wondered if they become less reliable at greater widths, or if it’s mere coincidence. Obviously, building a form to 12” in width would be a hassle, and setting up the clamping is clearly trickier. Are there “results” implications like better/worse springback, etc.?

Gracias.

-b

View John Ormsby's profile

John Ormsby

157 posts in 219 days


177 days ago

Ben, Have a look at my projects under kitchen, curved, etc and you will see 4 curves sitting on the form they were made on. They are 7 1/2” wide each. The form I made was about 40” long so they could all be made at once to save clamping time. Using vacuum bags, one can glue pretty much anything up. It is common to glue up complete curved stair stringers and large round columns with this type of clamping system. John

-- Oldworld, Fair Oaks, Ca

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GaryK

8482 posts in 470 days


177 days ago

Vacuum bagging does really do away with any width limitations, except for the size of your bag and ambition..

-- Gary, East TX -- The longest journey begins with a single step.

View John Fry's profile

John Fry

75 posts in 182 days


176 days ago

ben asked Are there “results” implications like better/worse springback, etc.?

Not really Ben. Spring back variances are related to the wood used, thickness and number of the laminations and most importantly in my book, is the adhesive used.

The width of a bent lam is only limited by your inventiveness in clamping strategies and form building if you are using one or two part forms and not using vacuum, or the size of your vacuum equipment if you are.

-- John, Chisel and Bit Custom Crafted Furniture, www.chiselandbit.com

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