This machine is suitable for slitting wide width material. The unwinder is with auto rectification control system. MITSUBISHI stable tension controller is used. The rewinder is controlled by PLC. Special vector motor taper tension controller is used. Drag and frequency change stepless speed regulation is used. Double air shaft rewinder. The machine with the characteristic of lock rewind and unload easily. According to the processing requirement, input relative data through the touch screen. Stable tension, start buffer, stop easily. Set lengt, set diameter, etc. High slitting precision, high slitting speed. And easy operation.