... system YX41-250-750Joint-hidden Roof Roll Forming Machine A, main technical parameters1. Decoiler, ... Hydraulic station power, 3KW4. Forming speed, 10m/min5. Forming stations, 30 stands6. Hydraulic ... roll forming machine, forming shear, hydraulic station, PLC, stackerC, Flow chartDecoil----guide feeding ---roll forming ---cut to length---out-put YX41-250-750Joint-hidden Roof Roll Forming Machine ...