A process and production line 

Feeding machine, straightening, molding - piercing and cut off the rack 

Second, the process diagram 

3, equipment components 

Equipment is mainly composed of automatic feeding machine, straightening, feeding system, molding host, notching and cut off, receiving station, electric control cabinet and other parts. 

4, equipment, main technical parameters: 

Molding material: GCr15, quenching treatment o 

Motor: 7.5 kw variable frequency motor. 

PLC electrical control: 

Voltage: 380 v / 415 v, 50 hz, 3 phase 

Equipment can produce casing outside the fire damper, fire damper blade metal cold bending steel, etc. 

Fire dampers cold bending section steel 

Fire control valve leaf cold bending section steel 

Fire dampers