... single facer, preheater, double bridge, gluer machine, double facer machine, cut off machine, slitter scorer machine, stacker, glue making system etc. as below ... blowing rate, to keep flute profiles stable under high speed.The main structure and frame are made of cast iron, up to ... double face machine. Heavy bridge conveyor_[RD-ZDF-2200]1. Heavy bridge conveyorThe main structure is welded by U-steel, I ...