Making An Edge Joint Of Sheet Metal

Hems are commonly used to reinforce an edge hide burrs and rough edges and improve appearance.

Making an edge joint of sheet metal.

The grooved seam joint fig. The rounded edges provide a larger bonding surface for galvanizing paint and coatings. Some recommended using a tongue and groove joint. This assembly method is relatively simple and convenient and can complete rapid assembly.

Lift the lower die handle until the metal has a 90 degree bend. Open the sheet metal brake. 2 57 is one of the most widely used methods for joining light and medium gauge sheet metal. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself.

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. When making a grooved seam on a cylinder you fit the piece over a stake and lock it with the hand groover fig. Hemming is the process in which the edge is rolled flush to itself while a seam joins the edges of two materials. We can do that by either selecting the tool right up here on the sheet metal toolbar or we can pre.

Once you have a starting sheet metal part the next logical step is to add some edge flanges. 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. Slide a piece of sheet metal into the opening in the brake jaws. Create a line of these stamps as long as you need.

It consists of two folded edges that are locked together with a hand groover fig. Close the brake to hold the metal in position. Early written accounts of making edge joints would tout a variety of approaches as the best to ensure the finished panel stayed together. 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. Smooth and even rounding is essential whether you need to comply with the regulations en 1090 iso 8501 iso 12944 or imo pspc. Push the sheet metal into the brake until the edge of the metal sits even with the front edge of the lower brake die.