Making An Edge Joint Of Sheet Metal

When making a grooved seam on a cylinder you fit the piece over a stake and lock it with the hand groover fig.

Making an edge joint of sheet metal.

Embossing sheet metal is a simple way to add dramatic decoration as well as increase the strength of a piece. Close the brake to hold the metal in position. Hems are commonly used to reinforce an edge hide burrs and rough edges and improve appearance. 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.

The grooved seam joint fig. The radius cutters from beveltools create a uniform rouned edge in one pass. 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. Lift the lower die handle until the metal has a 90 degree bend.

Some accounts recommended loose splines. 2 57 is one of the most widely used methods for joining light and medium gauge sheet metal. Smooth and even rounding is essential whether you need to comply with the regulations en 1090 iso 8501 iso 12944 or imo pspc. Open the sheet metal brake.

Early written accounts of making edge joints would tout a variety of approaches as the best to ensure the finished panel stayed together. It consists of two folded edges that are locked together with a hand groover fig. Slide a piece of sheet metal into the opening in the brake jaws. Once you have a starting sheet metal part the next logical step is to add some edge flanges.

Push the sheet metal into the brake until the edge of the metal sits even with the front edge of the lower brake die. 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. The rounded edges provide a larger bonding surface for galvanizing paint and coatings. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself.

This assembly method is relatively simple and convenient and can complete rapid assembly. There was even a special kind of nail that could be used for joining edges. Create a line of these stamps as long as you need.