1250mm 4-Hi Reversible Cold Rolling Mill

• Customization: Available
• Customized: Customized
• Condition: New
• Model NO.: 1250mm
• Power Source: Electric
• Automatic Grade: Automatic
• Type: Steel Rolling Equipment
• Certification: SGS
• Model No: 1250mm
• Export Markets: Global
• Max Rolling Pressure: 12000kn
• Max Rolling Torque: 80kn
• Max Rolling Speed: 1200m
• Max Wear Speed: Min / 30m
• Max Unwinding Speed: 300m / Min
• Max Coiling Speed: Min / 650m
• Max Unwinding Tension: 55kn
• Max Winding Tension: 120kn
• Transport Package: Plywood Box or Carton
• Specification: 1250
• Trademark: MoRan
• Origin: Hebei Langfang
• HS Code: 8455221000
• Production Capacity: 3/Year

Product Description

Product Description

1. Brief Introduction 

Our goal is according to the factory product market positioning requirements and existing facilities, launched to ensure that the outline of the products in all varieties and specifications of products to stable production, production and operation cost lowest investment allocation lowest technical and economic optimum equipment and engineering, which enables the user to obtain the best economic benefit. 
Raw material specification: after acid pickling of hot rolled coil or after two rolling roll. 


2. Technical specification 

1).Raw material: 

Material: Q195, Q235, pickling hot-rolled coils SPCC, SPCD, SPCE, SS400, S35C

Max yield limit: 360Mpa, tensile strength: 1300 Mpa

Thickness: 1.6-3.0mm

Width: 620-1120mm

ID:610
OD:1800 ~ 2000mm)

Max roll weight: 24 t

2) Output product 

 

Thickness: 0.20-1.2mm

Width: 620-1120mm

ID:610
 OD:1800 ~ 2000mm

Max  roll weight: 24 tons

3) Output product accury: 

More than 0.5 longitudinal thickness deviation less than 2%h, less than 0.5 longitudinal thickness tolerance of + 0.01

Shape: the max  allowable value of roughness is less than or equal to 20I

3. Main technical data 

Mill specifications:                                       1050/300*1250mm

* transmission mode: w                             work roll drive

* max rolling pressure:                                12000KN

Max rolling torque:                                        80KN.m

* wear speed:                                                20m/min

* rolling speed:                                             Vmax=600m/min

* Decoil tension:                                           50-5KN

* coiling tension:                                           120-12KN

* work roll bending force (positive / negative):  210KN

* work roll diameter:                                     280-300 diameter mm

* work roll length: 1                                       250 mm

* roll diameter:                                             Φ 1050-980 mm

* support roll length:                                    1150 mm

Max opening degree of working roll:          20 mm

* axial uncoiler reel floating volume:          ± 75

* rolling line height:                                       ±1000

* rolling line elevation adjustment stroke: 65 mm

* process flow:                                               3500 L/min

* hydraulic system pressure: bending roll: 21Mpa

General hydraulic transmission:                10Mpa

* AGC system design pressure:                 32Mpa

* Ce Houyi:                                                     γ rays

* stand off area:                                              580 * 500 mm

4. Main motor power

Main motor:
Power:                                             1150Kw * 2

Voltage:                                           660 V

coiling motor
Power:                                             600Kw * 4

Voltage:                                           660 V

Uncoiling motor
 Power:                                           300Kw * * 1
Voltage:                                          440 V

 

 

No.	Incoming thickness(mm)	Output thickness(mm)	Incoming width (mm)	Coil weight (t)	Annual output	ratio (%)
1	2	0.2	1100	20	5000	2
2	2.3	0.25	1100	20	7500	3
3	2.75	0.35	1200	20	50000	20
4	3.0	0.45	1200	22	75000	30
5	3.0	0.5	1200	22	87500	35
6	3.5	0.7	1300	25	12500	5
7	3.5	1.0	1300	25	7000	3
8	4.0	1.5	1300	25	5000	2
total					200000	100