Feeding, roller straighten, coder setting length, rotated blade pre-cutting, Pneumatic mold pull apart can be finished in one cycle. It is equipped with a special device to cut off so that the forming end is trim, bur-free, and chipless. It is using SIEMENS PLC as the core control, a friendly interface for data inputting, the main transport driving power is use the SIEMENS servo motor. It has the features of high degree of automation, high precision, easy operation and reliable performance.