production line III composed of a decoiler, leveler grooving unit, “V” and “口” notching unit, cutting unit, bending unit composition. The standard
configuration the “V” and “口” notching unit make for TDF
flange duct, thereinto the “口” notching unit also can be
used to produce TDC flange. Bending unit can be made with the Pittsburgh match
the right angle, also can be sheet metal bending into a "口" or "L" type. Greatly improve the utilization of the
plate, reduce labor intensity and reduce labor.
production line electrical control part adopts full servo control; the control
system has a closed-loop feedback system, Accuracy and stability were obvious
improved. The maximum operating speed of 16 m / min. Length tolerance is
±0.5mm; diagonal tolerance is ± 0.8mm. The system can meet the each shift（8 hours） production capacity of 1000m2 duct.