Bent Lamination Form

A bent lamination is simply a board sliced into thin flexible plies and glued back together in a form to create the desired shape see photo above. Actually there s no magic required. The more seams you have the less chance for springback.

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Bent lamination is based on the principle that if several strips are glued together face to face against a rigid form they retain the shape of the form.

Bent lamination form.

The formula is y amount of springback x depth of chord desired to bend n number of layers. Kerf bending is the process of cutting a number of slots into a piece of material that allow it to bend. In this intractable you will learn how to create a bending form for bent lamination. Try bending two thin strips together and see how their surfaces slide one along the other.

Bent laminations don t take a lot of specialized equipment. Essentially by kerfing the part you are making it thinner so it can be flexed to follow a curve. Once the glue dries the workpiece will hold it s new shape. There are many ways to construct a form and apply pressure.

So the first order of business is to build the form followed by cutting the wood into lamination strips. Learn how to make wood magically bend to your will. I made it at techshop http www techshop ws what you will need. Once dry the resulting part will pretty much hold its shape forever.

Nearly any saw can be used for kerfing. Lamination is the process of bending many thin parts together and holding them in the desired shape until the glue between them dries. Bent lamination form how to. If your radii is tight you can use 1 16 wisa italian bending plywood.

It s messy but rewarding to see a gracefully bent piece of wood emerge from a glue encrusted form. There is a correction to the lamination formula given in the video. What you need to use for bent wood lamination is 1 8 bending poplar plywood that comes in either long or short grain. Just a saw some wood some glue and a few time tested techniques.

Using clamps or a vacuum press and we will look at both methods. With glue between each lamination a press is used to bend the bundle of laminations around a form. There are two basic ways to clamp the parts while the glue dries. Metal ruler 3ft 2.

These sheets come in 4 x 8. Last updated on tue 11 aug 2020 bent lamination bent lamination is a process of bending thin strips of wood using lots of glue and lots of clamps. The process starts with ripping some thin strips of wood and applying glue to each strip. While this method is not very strong it does allow for easy forming of wide or tall parts.

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