The written time is April 25,2021.

used cold rolling mill

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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）
How many process	Roll Thickness （mm）	Absolute pressure （mm）	Run down rate %	Under the total pressure ratio %	post tension	pre-tension	roll speed M/min	roll pressure （T）	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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