4-Hi Rolling Mill

Product Detail

4-Hi rolling mill

Application and characteristics

1. Suitable for common carbon steel, stainless steel, rolled steel, special aluminum or copper tape strip etc..

2. Work roll and supporting roll drive type,Can quickly adjust the strip crown, Change the contact pressure distribution between the rolls, to control the plate shape and plate convexity purposes.

3. Configurable work roll bending roller device.

4.The whole machine structure is simple, easy maintenance operation, less investment.

5. Screw down has two kinds control method, ordinary electromechanical screw down and AGC hydraulic screw down. AGC 4-hi rolling mill control accuracy, especially suitable for high precision cold-rolled strip production.

 Production line process

Front coiler?(Unloading car)?Machine front device? 4-hi main rolling mil? Machine after the device?After the coiler (Unloading car)?according demands to arrange the uncoiler, Starting straightening machine etc.

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Production line technical parameters

	350 Rolling Mill	400 Rolling Mill	450 Precision Rolling Mill
	F80 F320x350	F90 F360x400	F100 F400x450
Billets Thickness	0.6-1.0	1.0-1.5	1.0-1.8
Finished Products Thickness	0.08-0.15	0.1-0.6	0.1-0.6
Steel Strip Width	Below 250	Below 320	Below 350
Driving Mode	Supporting Roll Drive	Supporting Roll Drive	Supporting Roll Drive
Rolling Force	1200	1600	2500
Screw Down Mode	Electric or Hydraulic	Electric or Hydraulic	Electric or Hydraulic
Rolling Speed	1.5~2	1.5~2.5	4~8




450 Rolling Mill

500 Rolling Mill

550 Rolling Mill

F175 F450x450

F140 F450x450

F90 F360x400

F140 F500x500

F180 F520x550

F140 F520x550

Billets  Thickness

2.0-3.0

1.0-2.0

2.0-3.0

1.0-2.0

2.0-3.0

1.0-2.0

Finished  Products  Thickness

0.3-1.0

0.2-0.6

0.3-1.0

0.2-0.6

0.3-1.0

0.2-0.6

Steel Strip  Width

250-350

250-350

300-400

300-400

360-450

360-450

Driving Mode

Work roll  Drive

Supporting  Roll Drive

Work roll  Drive

Supporting  Roll Drive

Work roll  Drive

Supporting  Roll Drive

Rolling Force

3000

3000

4000

4000

5000

5000

Screw Down Mode

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Rolling Speed

1~3

4~6

1.5~4

4~8

1~3

4~6

1.5~4

4~8

1~3

4~6

1.5~4

4~8




650 Rolling Mill

750 Rolling Mill

900 Rolling Mill

F200 F600x650

F165 F600x650

F220 F650x750

F175 F650x750

F230 F650x900

F180 F750x900

Billets Thickness

2.0-4.0

1.0-2.5

2.0-4.0

1.5-3.0

2.0-2.75

1.0-2.75

Finished Products  Thickness

0.3-1.5

0.2-0.6

0.5-1.0

0.3-0.6

0.4-1.0

0.3-0.6

Steel Strip Width

450-580

450-580

550-680

550-680

600-800

600-800

Driving Mode

Work roll  Drive

Supporting  Roll Drive

Work roll  Drive

Supporting  Roll Drive

Work roll  Drive

Supporting  Roll Drive

Rolling Force

6000

6000

7000

7000

8000

8000

Screw Down Mode

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Electric

Hydraulic

Rolling Speed

1~3

4~6

1.5~4

4~8

1~3

4~6

1.5~4

4~8

1~3

4~6

1.5~4

4~8




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