The main electric control system adopts center computer control(PLC), person-machine interface operation, dynamic display. Constant length controlled by import servo driving system and automatic identifying-markings photoelectric scanners adopt that imported from German to ensure cutting accuracy. With advanced control mode, this machine centrally controls the speeds of the main motor, servomotor and feeding motor through computer so as to achieve the purpose of synchronous operation. It has such characteristics as high-precision, high speed, material taken up easily and heaping in order etc.