Bent Wood Lamination Glue

Once the glue dries the workpiece will hold it s new shape.

Bent wood lamination glue.

Adding a maximum of 8 powdered cornstarch by volume makes the glue more rigid and controls springback. Yellow glue is slightly flexible and will creep over time leading to spring back. With domestic wood laminations the simplest and least visible glue is pva polyvinyl acetate yellow glue. There isn t one adhesive ideal for every application.

Pro glue unibond 800 i realize th. What you need to use for bent wood lamination is 1 8 bending poplar plywood that comes in either long or short grain. All the real time pitfalls and stressfulness. Standard wood glue is not the best choice for bent laminations.

Quite a while back i did a series of glue tests on bent laminations. The glue lines from jumping out. A couple of glues that seem to be good choices for bent lamination are. It also covers veneer laminating.

I have found that a mix of 1 part water to 4 parts glue spreads quick leaves a thinner glue layer which squeezes out less and gives more open time all without risking the glue bond. The wood used was hard maple one of the more difficult from both the glue adhesion and bending stiffness. 10 layers 1 8 at about 5 radius after the glue had cured for 24 hours on the form the parts were laid aside for at least a week. Yellow glue sets soft and fast.

Unfortunately it is not particularly rigid and does not have much open time. Don t use yellow glue titebond for bent lamination. While resorcinol has a. With glue between each lamination a press is used to bend the bundle of laminations around a form.

I ve got a lot of questions on laminating wood techniques and i notice a number of folks are interested in how to laminate plywood sheets. Then put against the original form. When it comes to wood laminating pieces of plastics or another layer of wood are laminated to composites wood or plywood. Part 1 of a bent lamination glue up.

The laminate parts need glue between each layer and to be clamped to the form before the glue dries. There are many ways to construct a form and apply pressure. Epoxy urea resin resorcinol and polyurethane are all good choices for bent laminations. Because bent laminations are under constant stress they require glue that sets hard.

Use plastic resin glue or epoxy. So the first order of business is to build the form followed by cutting the wood into lamination strips. It is also prone to glue creep a phenomenon in which the cured glue creeps out of the laminations over time resulting in unsightly raised glue lines.