1 PLC program control ,dual frequency coversion,photoelectric detection. 2 a color touch screen indication dynamically production status. 3 the four step pulleys horizontally arranged with constant deceleration compression ratio 4 fully automatic tension control and take-upand wire-arrangement with self-circulation cooling and filtration system.special machanism axle-driven take-up and wire-arrangement 5 stepper motor or srevo motor driven ball screw take-up and wire-arrangement 6 low noise and high accuracy of circular-arc gear aynchronous belt transmission;high-capacity take-up and wire-arrangement 7 applicable to the i-beam axle and oblique axle rolling | 
