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-up and wire-arrangement,stepper motor driven ball screw take-up and wire-arrangement,high-capacity take-up and wire-arrangement 5 applicable to the l-beam axle and oblique axle rolling. |