A pittsburgh lock consists of three bends that form an extended s shape which creates an airtight seal after completion.
Pittsburgh joint sheet metal.
The button punch snap lock is used in the same way as the pittsburgh lock for joining comer sections of sheet metal.
Designed so one operator can quickly slide a piece of sheet metal into the machine and align the notches in an instant on the.
It consists of two folded edges that are locked together with a hand groover fig.
Most modern sheetmetal fabrication shops use a mechanized piece of equipment to create the pittsbugh joint on one.
The pittsburg joint is used for most commonly fabricated metal retangular ducts.
Find the training center on twitter.
Gmc pittsburgh sheet metal lock former machines call 773 334 5000 to order this machine.
This increases productivity while keeping each seam consistently formed on multiple pieces of duct.
Built to the same construction specs and using the same frame as their heavy duty 16 ga pittsburgh machine the flagler 20 ga high speed pittsburgh runs the 5 16 pocket depth female pitts seam seen on right and the adjustable height 3 8 max height male pittsburgh flange shown running on left both at 100 ft per minute.
When making a grooved seam on a cylinder you fit the piece over a stake and lock it with the hand groover fig.
Its big advantage is that no additional hammer over operation is required with a direct result of less labor cost in assembly.
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 grooved seam joint fig.
2 57 is one of the most widely used methods for joining light and medium gauge sheet metal.
Pittsburgh pa 15238 phone.
How to make a pittsburgh joint in sheet metal by hand 2 how does spot welding work.