Detailed Description  C Z Purlin Roll Forming Machine, purlin rollformer. one machine can produce both C purlin and Z purlin. Changing speed from one size to another size or from C purlin to Z purlin is very quick, within 15 to 20 minutes. C&Z Quick Changeable Purlin Roll Forming Machine,C&Z quick interchangeable purlin forming machine,fast interchangeable C&Z purlin machine. C&Z quick interchangeable purlin roll forming machine adopts a special structure. The rollers for C & Z are changed very quickly without dismantle any parts. It is comprised of mechanical expansion decoiler (passive drive, capacity 5tons), feeding & leveling device, pre-punching device (two punching cylinders), pre-cutting device, main forming unit, PLC control system (PLC, touch screen, inverter are from Japan), hydraulic station, manual run-out rack (suitable for 6 meters). Purlin size: 100-300mm Please visit our website or call my mobile 0086 139 6272 4758.