Snap Lock Pittsburgh Lock Sheet Metal Fitting

Machines used in high volume applications to form metal by running material through rollsets which progressively change the shape or profile.

Snap lock pittsburgh lock sheet metal fitting.

Smc manufactures coil line ductwork in 4 5 6 lengths. Rectangular duct and fittings are one part of our complete line of hvac products. Figure 2 69 shows a cross section of the two pieces of metal to be joined and a cross section of the finished seam. Hyd notcher will notch for s drive or tdc f pittsburgh or snap lock capacity 16 g gi coil width 1550 mm ms al speed 23 mpm max part length 3048 mm part length tolerence 0 5 mm view complete details.

The male seam is a button the female seam is a lock and the two snap together for a flush corner. After one piece is inserted in the pocket the tail in hammered over to close the lock. Snap lock button lock is for sure the best way to go. You can find part one here.

Sheet metal connectors inc. These machines can form 0 4 to 1 2 mm sheet metal into female locks on the inboard and button punched right angle flanges on outboard rolls at speeds of 18m min and are available in seven and nine forming station machines. Originally formed in the brake or press brake today roll forming machines are used to form the pocket on one piece and the flange on the other piece. This seam is used as a lengthwise seam at comers of square and rectangular pipes and elbows as well as fittings and ducts.

Buying lots of preformed hvac duct gets very expensive but you can form your own with machines and tools for forming sheet metal into shapes for heating ventilating and air conditioning duct work. The pittsburgh lock seam fig. 7 snap lock technology galvanized pipe round and oval 14 pipe 16 pipe 18 pipe 20 pipe 24 pipe 12 pipe 10 pipe 9 pipe length gauge item 2 24 140209. Ductwork is fabricated with either snap lock or pittsburgh longitudinal seams.

Its big advantage is that no additional. Sheet metal has not made many leaps and bounds in the last 60 years but plasma tables and button lock machines are two that changed things greatly. Commonly used in the hvac industry roofing industry etc. Hvac machinery pittsburgh lock former machines for heating ventilating and air conditioning duct work.

Sealant is available in the seams upon. The button punch snap lock is used in the same way as the pittsburgh lock for joining comer sections of sheet metal. This is the second installation of a blog series in which mestek machinery explores the procedures and practices in the fabrication of ducts and duct connectors. All ductwork comes standard with stiffening beads.

How to make the button punch snap lock. The only thing we used the pittsburgh for was on radius fittings the throats of square elbows and very large duct.