... made up of uncoiler ,leveling machine ,punching machine ,forming machine ,shearing machine,hydraulic pressure station ,the PLC computer control ... of 2.5 m to 3.0 m.(3)Punching:adopt hydraulic punching (material Cr12 quenching process, steel around to ... arbitrarily regulate)(4)Cut off the hydraulic shear (material Cr12 quenching ...