Shutter door slat roll forming machine according to our knowledage there are serval types: European style shutter door machine, Australia style shutter door machine, shutter door with big holes, shutter door with perforation holes machine, shutter door U stud forming machine and others. No matter which type is made by the following process:decoilerâ?? sutomatic punching â??feeder guide â??roll formingâ?? flying cutting saw â??run out table. Mian roll forming machine parameters for your reference: a. Number of forming steps: 12 stations B. Shaft material: 45# steel with quenched treatment, precision machined, The diameter: 50mm c. Roller material: Cr15Mov with quenched treatment d.Transport: by gear e. Forming speed: 8-10m/min f. Motor: 4kw g. Voltage: 380v, 50Hz,3 phase h. Structure: independent stand For the shearing system, we have two options for your reference. The first one is flying cutting saw, shearing can keep perfect shape of the shutter door. For the second one, hydraulic shearing, it has perfect shearing end, the shearing end is smooth, no burr like the above pictures I showed above. Why choose ZT Shutter door slat machine? 1.Pillar stand frame to make sure machine working steady, easy to adjust and repair in the further. 2.High quality elements like PLC, motor and others. They can make sure machine working long time. 3.Gear transmission to make sure working fast and steady. 4.Two options of shearing system. Meanwhile based on flying cutting saw, we have our new design to make sure shearing fast and no burr. Related profiles roll forming machines for rolling shutter door system Roll forming machine for production of galvanised steel rolling shutter door profiles, including the shutter slat, side guides (track), boxes profiles, rolling tubes, etc.