Pittsburgh Joint Sheet Metal

The pittsburg joint is used for most commonly fabricated metal retangular ducts.

Pittsburgh joint sheet metal.

The grooved seam joint fig. This increases productivity while keeping each seam consistently formed on multiple pieces of duct. 3 how to bend stainless steel sheets 4 how to bend sheet metal without a brake 5 differences between normalized and annealed 4130 steel 6 how to break metal subscribe for weekly inspiration. The button punch snap lock is used in the same way as the pittsburgh lock for joining comer sections of sheet metal.

It consists of two folded edges that are locked together with a hand groover fig. Find the training center on twitter. A pittsburgh lock consists of three bends that form an extended s shape which creates an airtight seal after completion. Its big advantage is that no additional hammer over operation is required with a direct result of less labor cost in assembly.

How to make a pittsburgh joint in sheet metal by hand 2 how does spot welding work. In sheet metal shops a rollforming machine is used to fold the pittsburgh seam on one end of a piece of ductwork for example. 2 57 is one of the most widely used methods for joining light and medium gauge sheet metal. Most modern sheetmetal fabrication shops use a mechanized piece of equipment to create the pittsbugh joint on one.

For more information about sheet metal careers. Designed so one operator can quickly slide a piece of sheet metal into the machine and align the notches in an instant on the. When making a grooved seam on a cylinder you fit the piece over a stake and lock it with the hand groover fig. Pittsburgh pa 15238 phone.