Making An Edge Joint Of Sheet Metal

This assembly method is relatively simple and convenient and can complete rapid assembly.

Making an edge joint of sheet metal.

Early written accounts of making edge joints would tout a variety of approaches as the best to ensure the finished panel stayed together. Hemming is the process in which the edge is rolled flush to itself while a seam joins the edges of two materials. Slide a piece of sheet metal into the opening in the brake jaws. There was even a special kind of nail that could be used for joining edges.

Lift the lower die handle until the metal has a 90 degree bend. The method of joining two metal sheets together including the steps of striking a first relatively narrow and long tongue up from the first sheet to leave a first hole therein and with said tongue. Some accounts recommended loose splines. Hems are commonly used to reinforce an edge hide burrs and rough edges and improve appearance.

The rounded edges provide a larger bonding surface for galvanizing paint and coatings. Embossing sheet metal is a simple way to add dramatic decoration as well as increase the strength of a piece. The two pieces of sheet metal connected to each other by folding or bending tabs in the form of a buckle and a clamping slot. The radius cutters from beveltools create a uniform rouned edge in one pass.

The grooved seam joint fig. Using the tool and a hammer simply place the tool edge on the sheet and bang the hammer on the other end to stamp the piece. Close the brake to hold the metal in position. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself.

It consists of two folded edges that are locked together with a hand groover fig. Push the sheet metal into the brake until the edge of the metal sits even with the front edge of the lower brake die. Once you have a starting sheet metal part the next logical step is to add some edge flanges. 2 57 is one of the most widely used methods for joining light and medium gauge sheet metal.

Create a line of these stamps as long as you need. Some recommended using a tongue and groove joint. Open the sheet metal brake.