... 3) Roller: steps: 13 (change as per different machine); material :45# steel, Rolling chromium thickness:0.05 mm(4) ... min(6) Wall thickness of the main forming machine: 12/16/18mm steel plate(7) Main forming ... machine body : Groove , H shape steel (250mm-400mm)(8 ... Cutting hydraulic systerm adpats CDF-10 gear pump,the motor power is 4kw, no noise, work stably, long life ...