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37 Roller Station 11KW Roll Shutter Door Forming Machine Aluminum Material Detailed Product Description Technical Process Decoiling---foam--- Heat preservation---roll forming---automatic cutting---off---discharging Main Specifications - Suitable raw material: Aluminum steel sheet - Thickness of the material: 0.22-0.35mm - Diameter of roller shaft:40mm - Roller material : GCr15 steel, HRC58-62 - Capacity of decoiler: 2000Kgs. - Forming speed:15-30m/min - Drivr type:Gear box