RAS has designed the DuctZipper in L-shape especially for large ducts and high productivity. The RAS DuctZipper duct seaming machines reduce the traditional three steps (rollform the receiver lock, rollforming the flange and finally closing the seam) down to only one easy run through the machine. The result is a clean joint and an extremely tight duct.
Machine highlights
The DuctZipper in L-shape is especifically designed for large ducts. However, it also shows benefits when it comes to small and medium size ducts. On the DuctZipper-L the working position is rotated by 45 degrees.
On the DuctZipper-L, it requires only two operators, who can handle even large 1500 x 1500 mm duct cross sections with ease. Smaller and medium-sized ducts can be completed with a single operator.
Large ducts can be easily and quickly positioned in the DuctZipper-L. The sheet edges will be just inserted into the guide rail and clamped with the Autopilot. There are no machine support components on the DuctZipper in L-shape and therefore the seaming process can start much quicker.
The horizontal loading and unloading of the ducts makes it completely superfluous heaving large and heavy duct cross-sections in and out of the machine.
The weight of the duct presses on the machine only to a small extent.
A horizontally positioned duct on DuctZipper in L-shape requires less space than a cross-section passing vertically through the machine. In the horizontal position, the flange length of the duct determines the space, while in the V-shape of the diagonal of the duct determines the floorspace requirement. In addition, on the L-shaped DuctZipper both operators are working from the same side of the machine. This allows in small workshops positioning the machine to a wall.
Due to the extended U-shaped rail at the run-in side the duct will be guided from the beginning to the very end.
The SealJet additionally seals the seam joint during the run.
As even large ducts keep their shape and do not tilt into one another, the DuctZipper-L impresses with an increased work safety.
As the orientation of the rolls is tilted by 45 degrees less zinc abrasion falls on the bearing points of the forming roll. For regular cleaning the accessibility to the rolls on the DuctZipper-L has been improved.
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