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    Metallurgical Rolling Mill

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    Six Hi Rolling Mill

    Date：2018-02-08     Author: 信息員      Visits：561   

    1.    Advantages of six roll hydraulic reversible mill

    HC type six roll reversible single stand cold rolling mill, rolling mill roller is provided with a bending roll set is bending and shifting,With uncoiler, entrance&exit coiling machine, thickness tester, laser velocimeter, can realize large tension rolling, ensure a relatively thin Metal strip high speed and stable production.

    AMC-六輥軋機1_副本.jpg

    2.    Coiling parameters

    2.1  Raw materials 

    Raw Materials

    Texture of material

    Metal and Alloys

    Material Thickness

    Max3.5mm

    Material Width

    Max1250mm

    Inside Diameter

    508mm

    Outer Diameter

    900-1800mm

    Material Weight

    Max20Ton

    2.2  Finished product

    Finished Product Parameters

    Finished thickness

    0.50-0.15mm

    Coil Width

    Max1250mm

    Inside Diameter

    Φ508mm

    Outer Diameter

    Φ900-2000mm

    Coil Weight

    Max20Ton

     

    3.    Main Technical Parameters of the Rolling Mill

    Mill specification

    Six rolling mill reversible

    Maximum Rolling Pressure

    Non - Standard (width, thickness, material properties)

    Rolling Speed

    Max800m/min

    Coiling Tension

    Max50Ton

    Mill Speed Precision

    1%

    Tension Precision（FS）

    The dynamic fluctuations in the value of less than 4%.

    Steady state: fluctuations in the value of less than 1.5%

    Bending Force

    Non - Standard (width, thickness, material properties)

    Hydraulic Drive System

    12Mpa

    Bending System Pressure

    16Mpa

    AGC System Pressure

    21Mpa


    4.    Equipment configuration

    4.1  Mechanical equipment

    No.

    Device name

    Unit

    Quantity

    Note

    1

    Uncoiler

    Set

    1

    Custom

    2

    Pinch straightener

    Set

    1

    Custom

    3

    Entrance coiler

    Set

    1

    Custom

    4

    Entrance machine platform

    Set

    1

    Custom

    5

    Rolling mill noumenon

    Set

    1

    Custom

    6

    Rolling mill drive

    Set

    1

    Custom

    7

    Exit process platform

    Set

    1

    Custom

    8

    Exit coiler

    Set

    1

    Custom

    9

    Rolls System

    Set

    1

    Custom

    10

    Middle Roll Shifting

    Set

    2

    Custom

    11

    Bending roll and balancing device

    Set

    4

    Custom

    12

    Oil removal unit

    Set

    2

    Custom

    13

    Tension testing roller

    Set

    2

    Custom

    14

    Turning Roll

    Set

    2

    Custom

    15

    Roll Change Device

    Set

    1

    Custom

     4.2  Motor, electronic control and instrument system

    No.

    Device

    Unit

    Quantity

    Specification

    1

    Uncoil Motor

    Set

    1

    AC OR DC

    2

    Mill Motor

    Set

    N

    AC OR DC

    3

    Coil Motor

    Set

    N

    AC OR DC

    4

    (Siemens PLC)

    Set

    1

    SIEMENS

    5

    (AGC)

    Set

    1

    SIEMENS PLC

    6

    (Gauge)

    Set

    1

    AMC

     4.3  Fluid equipment

    No.

    Device

    Unit

    Quantity

    Specification

    1

    Low pressure hydraulic station

    Set

    1

    Custom

    2

    AGC hydraulic station 

    Set

    1

    Custom

    Screw-down cylinder

    Set

    2

    Custom

    3

    Process lubrication system

    Set

    1

    Custom

    4

    Dilute oil lubrication

    Set

    1

    Custom

    5

    Oil and gas separation system

    Set

    1

    Custom

    6

    Automatic fire extinguishing device

    Set

    1

    Custom


    5.    Characteristics of rolling mill

    5.1  HC cold rolling mill；

    5.2  Positive and negative bending roll；

    5.3  Middle Roll Shifting；

    5.4  Hydraulic Screw-down；

    5.5  Passline Auto Adjusting；

    5.6  Constant Tension Control；

    5.7  Sectional cooling；

    5.8  Auto Change Roll；

    5.9  AGC uses high-speed controller SIEMENS FM458 and hydraulic servo system to achieve high accuracy and fast response. With the laser velocimeter, accurate second mass flow AGC control is achieved.


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