1.Materials to form shutter door : 0.7-1.2mm, Galvanized coils

2.Forming steps: about 12 steps

3.Material of rollers:  GCr15 steel, precision-machined, high frequency quenching HRC58-62, diameter of rollers: ＞￠150

4.Material of main shaft : 45# high quality steel (diameter＞￠50)

5.Chains’ material: 45# steel, high frequency quenching, circular pitch:38.1; number of teeth: 13

6.Cutting : hydraulic cutting; quenching HRC58-62

7.Electronic control:  Plc control Panasonic Japanese brand

8.Dimension of machine: 4500mmX500mmX800mm

9.Drive system: chain drive, 5.5KW main motor power, working speed:12-15m/min;