Roll forming your own TDC flanges with 16 forming stations on transverse duct ends during the manufacturing process has never been easier. The TDC flange, per Duct Construction Standard specifications, is formed on the machine started from decoiler, feeder, roll forming machine, cutting machine and stacking device automatically. The frame adopts full steel welding structure with enough hardness and rigidity. It also has been heated processed and highly frequently vibrated. Adopting floor boring-milling machine for guaranteeing the precision
