Bent Lamination Form

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

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Bent lamination form.

Drafting design fade out vellum. What you need to use for bent wood lamination is 1 8 bending poplar plywood that comes in either long or short grain. Learn how to make wood magically bend to your will. If your radii is tight you can use 1 16 wisa italian bending plywood.

Actually there s no magic required. Once dry the resulting part will pretty much hold its shape forever. In this intractable you will learn how to create a bending form for bent lamination. Lamination is the process of bending many thin parts together and holding them in the desired shape until the glue between them dries.

While this method is not very strong it does allow for easy forming of wide or tall parts. 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. 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. So the first order of business is to build the form followed by cutting the wood into lamination strips.

I made it at techshop http www techshop ws what you will need. 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. There are two basic ways to clamp the parts while the glue dries. It s messy but rewarding to see a gracefully bent piece of wood emerge from a glue encrusted form.

Just a saw some wood some glue and a few time tested techniques. There is a correction to the lamination formula given in the video. Bent lamination form how to. These sheets come in 4 x 8.

The process starts with ripping some thin strips of wood and applying glue to each strip. 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. The more seams you have the less chance for springback.

There are many ways to construct a form and apply pressure. Nearly any saw can be used for kerfing. With glue between each lamination a press is used to bend the bundle of laminations around a form. Once the glue dries the workpiece will hold it s new shape.

Using clamps or a vacuum press and we will look at both methods.