... deck forming machine has high forming speed, low noise, stable transmission, easy operation, good look and so on . steel deck forming machine1 ... expand, electrical motor decoil, supersonic control, with coil car.2. Main forming system Feeding guide device1set1. Roller material:38CrMoAl ... by chain, part of upper/lower rollers driven by gear 5. Cutting blade material Cr12 quenched treatmentRoll forming ...