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used cold rolling mill

Your current location:首页 > Products > used cold rolling mill > No.180 Used 1400mm 20 Hi single stand stainless steel reversible cold rolling mill

No.180 Used 1400mm 20 Hi single stand stainless steel reversible cold rolling mill

It is made in 2007--2008. The written time is April 25,2021
  • product description
  • Technical Parameters

Technical parameters:


• Working roll size: ф 63.5× 1400mm    material: cr12mnvco


• First intermediate roll size: ф 175 × 1420 mm material: 9Cr2Mo


• Second intermediate roll size: ф102 × 1580 mm material: 9Cr2Mo


• • Backing bearing roll: ф 300 × 160 of 24


• Main rolling mill motor power: 2000 kW 660 V 500 ~ 1000 rpm


• Coiler power: 1500 kW 660 V 350 ~ 1000 rpm


• Maximum rolling pressure: 10000 kn


• Rolling speed: V ≤ 300 m / min


• Speed accuracy: steady state: ± 0.1%


• Maximum acceleration: 0.4m/s ² • Maximum deceleration of emergency stop: 1.5m/s ² • Fast stop deceleration: 1.0m/s ² • Normal parking deceleration: 0.2m/s ²


• Uncoiling tension: 60 kn


• Uncoiling speed: 90 m / min


• Drum diameter: drum Φ 585~ Φ 610mm


• Uncoiler motor: 250KW


Thickness of steel plate: 2.0 ~ 3.0 mm


Width of steel plate: 900 ~ 1250mm


Coil weight: 12 ~ 22.5 t

Material: stainless steel


Coil outer diameter: Ф 1800mm(max)


Inside coil: pickling plate Ф 610 mm


Tolerance requirements of hot rolled billet: longitudinal thickness difference ≤ 3%, transverse thickness difference ≤ 1.5%


How many process

Roll Thickness

mm

Absolute pressure

mm

Run down rate

%

Under the total pressure ratio

%

The total tension   KN

roll speed

M/min

roll pressure

T

roll time(mins)

post tension

pre-tension

continue roll

interbal roll

0

2.75









2

1

2.00

0.75

27.3

27.3

40

550

150

402

10.0

3

2

1.25

0.75

37.5

54.5

500

350

150

445

10.0

1

3

0.78

0.47

37.6

71.6

330

250

180

441

12.8

3

1

0.5

0.27

35.89

81.8

180

220

200

373

16.2

2

2

0.32

0.18

36

88.4

130

150

240

332

21.0

1

3

0.25

0.07

21.8

90.9

100

80

260

300

25.0

3



Scope of supply:

1. Two coilers and one uncoiler


2. Coil storage saddle of decoiler (two coils can be stored)


3. Winding car (hydraulic drive lifting and moving) and accessories


4. Uncoiling guide and uncoiling knife


5. Pinch roll and straightener


6. Bridge guide platform


10. Guide table and guide roll of entrance coiler


11. Entrance tension measuring guide roll


12. Entrance shear


13. Entrance three roll side guide alignment


14. Inlet degreaser (squeezing roller)


15. 20 high reversing rolling mill (including equipment in stand, excluding backing bearing of rolling mill)


16. Outlet degreaser (squeezing roller)


17. Exit shear


18. Exit tension measuring guide roll


19. Guide table and guide roll of exit coiler


24. Work roll change trolley (semi-automatic form), backup roll change trolley


25. The coupling of Uncoiler and drive motor, the coupling of inlet and outlet coiler and drive motor with brake disc.


26. Hydraulic system (one set of high pressure system and one set of low pressure system)


27. Two Isotope Thickness Gauges


28. Emulsion system


29. Thin oil lubrication system


30. Exhaust system of rolling mill


31. All backing bearings


32. Electrical and automatic control system


33. All DC motors







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