Ventilation fan - flanged body

Work-piece: body with longitudinal butt-welded joint
Material: normal steel
Performed operation: edge outward flanging - chamfering - semi-curling
Working-cycle: semi-automatic; with two place settings in sequence to work both ends


SINGLE FLANGING:

Work-piece: body with longitudinal butt-welded joint
Material: normal steel
Performed operation: edge outward flanging
Working cycle: semi-automatic