Four high reversible cold rolling mill for carbon steel

φ150/φ600x650 four-roll AGC reversible cold rolling mill (Plain carbon steel)

1. Use

This machine is driven by back-up roll, the frame stiffness is large, the roll system adopts the special rolling mill FCD bearing, suitable for wide plate roughing and finishing rolling, is the common equipment for rolling carbon 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 coiler, feed process platform, four-high rolling mill, back-up roll hydraulic roll change device, discharge process platform, hydraulic four-pyramid coiler, 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: 700T

Transmission form: back-up roll drive

Feed specification: 3x500-620mm

Finished product specification: 0.25x500-620mm

Rolling speed: 230m/min

Work roller specification: φ150x700

Back-up roll specification: φ600x650

Main motor: Z450-42 500KW

AGC pressure cylinder: φ480x70

Main reducer hard tooth surface ZLY560-2Z

Cross cardan axis: SWC350

Herringbone gear box: A=900mm, rare self-lubricating

Ordinary hydraulic working pressure: 10Mpa

Coiler: hydraulic tetrapyramid

AGC hydraulic working pressure: 18Mpa-21Mpa

Winding tension: 10T

Rolling mode: reversible

Volume weight: 8T

Electric control: Controller Siemens 6R80, PLC Siemens

Winding reducer: Self-made ZQ100