Liaoning, China
Business Type:
Trading Company
Business Range:
Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy
Main Products:
Number of Employees:
Year of Establishment:
Terms of Payment:
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Rolling Mill, Machinery, Milling Machine manufacturer / supplier in China, offering 4 Rollers Reversible Cold Rolling Mill Production Line From Alice, Channel Bar From Tom 9#, Color Coated Plate & Color Coated Corrugated Plate and so on.

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4 Rollers Reversible Cold Rolling Mill Production Line From Alice

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Min. Order / Reference FOB Price
1 Piece US $1/ Piece
Port: Shanghai, China
Production Capacity: as Customer′s Required
Payment Terms: L/C, T/T
Condition: New
Power Source: Electric
Automatic Grade: Automatic
Type: Steel Rolling Equipment
Certification: ISO, CE
Place of Origin: China(Mainland)

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Basic Info

Model NO.: As requested
Raw Material: Steel
Capacity: 20,000 /Year
Power: 75kw
Voltage: 440V
Application: Plain Carbon Steel Rolling
Trademark: Chinese brand
Transport Package: Standard Exporting Packing or as Customer′s Requir
Specification: CE
Origin: China(Mainland)
HS Code: 8474801000

Product Description

Ø180×720/Ø600×700 4 Rollers Reversible Cold Rolling Mill Production Line Technical Parameters and Equipment Composition


1, Mill type and use:


1.1, Type: Ø180×720/Ø600×700


          Reversible four-roll rolling mill unit


1.2, Use: Width350mm~600mm   Thickness: 0.5mm~3.5mm


          Used for plain carbon steel rolling


2, Mill process flow diagram:


  (load material→uncoil→ pinch )→left mill roll four-roll cold rolling millright mill roll→coil discharging


1, Technical parameters of the unit


Blank specification: 2.5~4.0× 350~600 mm


Finished products specification: 0.50~1.8×350~600 mm


 Billet tolerance in accordance with national standards


Coil stock specifications:


Max outside diameter:1800 mm 


Inner diameter:508 mm


    Max coil weight:10 t


Max rolling force:5500 KN


Rolling speed:≤180 m/min


Coiling speed:≤180 m/min


Coiling tension:65 KN


Coiling machine coiling block expanding diameter:


       Max 508 mm    Min 495 mm


Uncoiling machine coiling block expanding diameter:


   Max 515 mm    Min 485 mm


Unit operating line height:950 mm


Unit operating line direction:From left to right


Unit total installed capacity: 959   KW


4,Unit equipment composition


Feeder tripper:


Charging wagon`s horizontal movement is performed by the electric car, lifting by oil cylinder.


Uncoiling machine:Set on the left of the rolling mill,can roll the strip one pass in uncoiling mode, mainly composed of hydraulic bulge winding mandrel, reducer and DC motor. 


Rolling mill coiler:  Rolling mill coiler is set in the left and right of main rolling mill, cooperate with the main rolling mill for reversible rolling to strip, and establish rolling before and after tension. Constant tension rolling and speed tracking display is mainly composed of hydraulic bulge winding mandrel, reducer casing and DC motor.


Main rolling mill:  Four-high millis the core equipment of the unit, in conjunction with the left and right roll machine,reversible rolling to strip with tension, is mainly composed of roll system, rack device, hydraulic screwdown gear, hydraulic bending roll device, main gear hydraulic roll change device and so on.


Hydraulic transmission system:


      working pressure:10 MPa  oil tank capacity:2.0 m3


              working medium:46#antiwear hydraulic oil  


              filter fineness:10 µm


Equipment lubrication system:


    working pressure:0.5 MPa   oil tank capacity:3.0 m3


        working medium:46#antiwear hydraulic oil  


               filter fineness:20 µm


Bending roll hydraulic system:


      working pressure:15 MPa   oil tank capacity:0.5 m3


              working medium:46#antiwear hydraulic oil  


              filter fineness:10 µm


Technology lubrication system:


          working pressure:0.5 MPa  (users themselves)


              working medium:emulsified liquid 




              filter fineness:50 µm


Electric control equipment:In the rolling mill, all of the Dc drive electric control all adopt Siemens full digital dc drive system, to finish rolling mill speed and tension control and has many excellent properties. Higher stability accuracy and excellent dynamic response ability and current speed adaptive function can ensure steady and reliable operation,reduce the machine maintenance time. The main rolling mill is designed for purity control system, also has a single action control, operator operates. The whole digital dc drive has perfect protection function, such as: default phase, overload, overheating, motor stalling and other protections. In the meantime, electronic control also adopt PLC to implement process operation and logic control of the mill.


 Hydraulic  AGC  system:This system has hydraulic press roll gap control(AGC), constant rolling pressure control(AFC),thickness gauge precontrol, monitoring and so on. The system works reliably, easy operation, self protection is fully functional, and with rolling technology database, When rolling  different specification of strips, you just need to call out the corresponding rolling technology so you can set as-rolled condition before every time start rolling.


Hydraulic AGC automatic gauge control system basic requirements


1) Automation using Siemens PLC control;


2) Man-machine interface using EVIEW touch screen;


3) Displacement sensor using SONY magnetoscale;


4) Pressure sensor using HYDAC company products;


5) Servo valve using 609 aerospace institute company products;


6) Servo hydraulic cylinder sealing element using imported materials;


Thickness control precision:


    steady-state rolling:0.3mm ±4.5μm ; 0.5-0.8mm ±7μm


    accelerate and decelerate rolling:2%h; ≤±10μm.

Company instruction


AnShan Ying Yat Trade Co., Ltd is a company who has its own self-determination right for import and export. It is together with AnShan HongMing Metallurgical Machinery Co., Ltd as a large-scale group corporation of integrating manufacturing / processing with trading.


Our company is the direct agent of AnSteel (AnShan Iron & Steel Group Corporation), BenSteel (BenXi Iron & Steel Group Corporation), FuSteel (FuShun Iron & Steel Group Corporation) and TongSteel (Tonghua Iron & Steel Group Corporation). We have kinds of scales of products: various steel pipe, steel sheet/plate, section steel and steel wire, all these products can be supplied from stock. If any special requirements on specification, Material: and so on, we can set rolling and guarantee supplying.


4 Rollers Reversible Cold Rolling Mill Production Line From Alice
4 Rollers Reversible Cold Rolling Mill Production Line From Alice
4 Rollers Reversible Cold Rolling Mill Production Line From Alice

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