φ170/φ730x850 Used four high AGC reversible cold rolling mill (stainless steel belt)

1-purpose

This machine is driven by back-up roll, the frame stiffness is large, and the roll system adopts special FCD bearing for rolling mill, which is suitable for wide plate roughing and finishing rolling, and is the common equipment for rolling stainless steel.

2 equipment composition and structural characteristics

This machine is a four-roll cold rolling machine, which is composed of a pressing device, a frame device, a roll system part, a balancing device, a main drive, a cardene shaft bracket, a roll changing device, etc. Its main function is to roll strip to meet a certain thickness. The equipment is composed of hydraulic expansion and scaling winder, feed process platform, four-high rolling mill, back-up roll hydraulic change device, discharge process platform, gantry solid winder, ordinary hydraulic system, AGC hydraulic system, thin oil station, oil and gas lubrication system, process lubrication station, electric control, thickness gauge, unit anchor bolt, etc.

3 technical parameters

Rolling force: 1400T

Transmission form: back-up roll drive

Feed specification: 3x600-800mm

Finished product specification: 0.25x600-800mm

Rack end face: 450x550

Rolling speed: 250m/min

Work roller specification: φ170x900

Back-up roll specification: φ730x850

Main motor: Z560-4A 750KW 2 sets

AGC pressure cylinder: φ680x70

Gear box: A=1100mm stiffened combination gear box

Cross cardan axis: SWC490

Coiler: Solid coiler for gantry frame φ500x900

Ordinary hydraulic working pressure: 10Mpa

Take-up tension: 20T

AGC hydraulic working pressure: 18Mpa-21Mpa

Volume weight: 15T

Rolling mode: reversible

Winding reducer: hard tooth surface ZLY710

Electric control: Controller Siemens 6R80, PLC Siemens

Winding motor: Z560-4B 800KW 2 sets