Pittsburgh Joint Sheet Metal

2 57 is one of the most widely used methods for joining light and medium gauge sheet metal.

Pittsburgh joint sheet metal.

It is a very efficient machine to bend straight duct joints and fittings with tdc type and tdf type flange connectors. It consists of two folded edges that are locked together with a hand groover fig. 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. In sheet metal shops a rollforming machine is used to fold the pittsburgh seam on one end of a piece of ductwork for example.

Gmc pittsburgh sheet metal lock former machines call 773 334 5000 to order this machine. The button punch snap lock is used in the same way as the pittsburgh lock for joining comer sections of sheet metal. Most modern sheetmetal fabrication shops use a mechanized piece of equipment to create the pittsbugh joint on one. The grooved seam joint fig.

For more information about sheet metal careers. 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. The pittsburg joint is used for most commonly fabricated metal retangular ducts.

Its big advantage is that no additional hammer over operation is required with a direct result of less labor cost in assembly. This increases productivity while keeping each seam consistently formed on multiple pieces of duct. A pittsburgh lock consists of three bends that form an extended s shape which creates an airtight seal after completion. Find the training center on twitter.