Self Secure Sheet Metal Joints

The self adhesive effisus easyrepair membrane is the ideal solution for sealing joints on virtually all types of metal roofs or facades.

Self secure sheet metal joints.

But of course a better job is made if soldered as well. Clinching joint is a type of permanent sheet metal joining operation that involves joining sheet metal parts using cold forming operation. It creates a waterproof moisture proof and airtight barrier with no additional sealing required. Self secured joints grooved seam double grooved seam paned down seam knocked up seam making a grooved seam 4 3 2 allowances for self secured joints grooved seam double grooved seam paned down seam knocked up seam w width of lock folded edge g width of grooved seam l width locking strip p width of paned.

Add 2 w t to the double edge 6. Folding and adding bending tabs is one of the easiest and most economical way of making moderately strong joints in sheet metal parts that will permanently or semi permanently attach to one another. Self tapping is the use of self tapping screws to directly tap the thread on a piece of sheet metal so the fit is very good and can be disassembled. Allowance for capping strip 4 w 4 t where l 2 w 4 t.

Add w to the single edge 3. Sheet metal clinching joint creates a button type positive connection between two or three layers of sheet metal. If made properly both this and the ordinary grooved seam should be water tight without being soldered. Add w t to the edge of each blank to be joined.

It is used to join different material and sheet thickness parts. Add 2 w t to the double edge 4. P 2 w 2 t. This is known as a knockedup joint and is commonly used for fastening bottoms on to all kinds of sheet metal vessels.

Screw joint fasteners. The technique of joining metal pieces is as simple as applying the glue to the surface of the metal where it needs to be joined from pressing the metals together and letting it dry in most cases the pieces to be glued have to be under pressure after clue is applied until it is dry. The pressing rivet process presses the crimp nut or screw against the sheet metal and can be mated with the corresponding outer nut or screw. Add w to the single edge 5.