1 controlled by the PLC programmable device with the 485 communication interface 2 speed adjusted by variable frequency,photoelectric detection,and a color touch screen indicating dynamically production status 3 fully automatic tension control and take-up and wire-arrangement;special mechanism axle-driven take-up and wire-arrangement 4 stepper motor or servo motor driven ball screw wire-arrangement,equidistant adjustable 5 low noise and high accuracy,applicable to the i-beam axle and oblique axle rolling 6 uniform distribution of temperature in annealing furnace increases energy saving | 
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