650 Cold Rolling Machine

Product Description

1. Main process parameters of equipment

1.1 raw materials: hot rolled coil after pickling, hot rolled medium and wide band steel

Material: high quality carbon steel, low alloy steel

Thickness: δ ‰4.5 mm

Maximum strength limit: б b=610 N/mm2

Maximum yield limit: б s=360 N/ mm2

Width: ‰ 650 mm

Coil diameter: Î 508/ Î 900ïž Î 1650 mm

Maximum coil weight: 8 T

1.2 finished products

Finished product thickness: ‰ 0.2 mm

Strip width: ‰ 520 mm

Coil diameter: Î 508/ Î 900ïž Î 1650 mm

Maximum coil weight: 8t

Thickness tolerance of finished product: 0.01 0.02 mm (8 m for head and tail respectively)

1.3 main technical parameters:

Maximum rolling force: 5000 kn

Maximum rolling torque: 35 kn M

Maximum rolling speed: 8 m / S

Threading speed: 0.3 M / S

Maximum uncoiling speed: 3.3 m / S

Maximum coiling speed: 8.2 m / S

Coiling tension: 0 60 kn

Work roll specification: Î 220/ Î one hundred and ninety — 650 mm

Specification of support roll: Î 650/ Î six hundred and eighty —  600 mm

Uncoiler drum diameter: Î 480ïž Î 520 mm

Coiler drum diameter: Î 488ïž Î 508 mm

Rolling line elevation: + 1000 mm

Maximum roll bending force: 400 kn

Coolant type: emulsion

Flow of process lubrication system: 1000 l / min

Flow of thin oil lubrication system: 250 L / min

Pressure of thin oil lubrication system: 0.4 MPa

Medium of thin oil lubrication system: medium load no20

Unit feeding direction:

Hydraulic system pressure: screwdown and roll bending hydraulic system: 3 25MPa

General hydraulic system: 0 10MPa

Total weight of equipment: about 140 t

Transmission mode: work roll transmission