1.Materials to form shutter door : 0.7-1.2mm, Galvanized coils 2.Forming steps: about 12 steps 3.Material of rollers: GCr1...
1. Stations: 13 2. Rollers material: CR 15; HRC 60. Chrome coated: 0.03~0.05mm. The Strength in Mpa: 70 TON, 800 MPA 3. Shaft material: Diameter: 50...