High Speed Hydraulic AGC Cold Rolling Mill Line High Speed Hydraulic AGC Cold Rolling Mill Line

High Speed Hydraulic AGC Cold Rolling Mill Line

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Technical Description
Parameters
  • Hydraulic AGC rolling mill is becoming more and more popular in metal strip rolling industry for its high precision, high speed and high automation.

More specifically the high AGC screw down rolling mill advantages:

  • 1.Small inertia, fast reaction and high sensitivity guarantee high precision rolling, thickness deviation can be controlled within 1% and increase the percentage of quality strip.

    2.hydraulic system fast and precise response can effectively remove the interference of frequently periodic change of roll gap caused by roll eccentricity。

    3.Collect , Record and Display Rolling Process parameters including faults. Good HMI Dialogue.

    4.Rolling speed can be very high, like 240m/min, 480m/min, 600m/min.

    5.Hydraulic AGC high precision is especially obvious on medium and large width rolling mill.

  • 4high reversible AGC rolling mill
  • 500mpm hydraulic AGC gauge reduce rolling mill
  • 900 hydraulic AGC mill

Raw Material:

Hot rolled steel coil after being cleaned by pickling, either edge trimmed or not Material of the coils 。
  • Low carbon or medium carbon steel, low alloy steel
  • Steel grade: Q195-Q235;08Al; SPHC、SPHD、SPHE
  • Tensile strength: max 450N/mm², yield strength: 140-360N/mm²
  • Coil Thickness: 0.8-2.0mm.
  • Coil width: 500~750mm
  • Coil ID: φ508mm
  • Coil OD: φ800~φ2000mm
  • Max coil weight: 18t
  • AGC rolling mill coilers
  • Hydralic AGC reducing rolling mill
  • hydraulic AGC Cold rolling mill

Finished Coil -Cold Rolled Coil:

  • Finished thickness:0.12~0.5mm
  • Finished width: 500~750mm
  • Coil ID: φ508mm
  • Coil OD: φ800~φ2000mm
  • Max coil weight: 18t
  • Max thickness reducing degree: total thickness reduction of different hardness material is different. Q195≤91% Q235≤90% Q345≤85%
  • Hydrualic AGC cold rolling mill
  • roling mill stand
  • roller housing AGC cold rolling mill
(“δ”as the finished thickness)

Thickness tolerance in longitude:

Stable rollin

≤±2%δ

Acceleration or Deceleration rolling

≤±3%δ

Rolling Machine Parameters:

  • Max rolling torque: 90 KN.m for big speed reducing ratio

    Max rolling speed:
    300m/min for big speed reducing ratio, 600m/min for small speed reducing ratio

    max uncoiling speed: 200 m/min

    Max recoiling speed:
    330m/min for big speed reducing ratio, 660m/min for small speed reducing ratio

    Uncoiling tension:max 40kN

    Max rolling pressure:7000 KN

    Recoiling tension:10-70KN for big speed reducing ratio, 5-35KN for small speed reducing ratio

    Work roller: φ185/φ170×850mm

    Middle roller: φ320/φ290×850mm, drive middle rollers

    Backup roller: φ760/φ730×820mm

    Uncoiling mandrel diameter(expand,compact):φ520/φ470mm

    Recoiling mandrel diameter(expand, compact):φ508/φ485mm

    Rolling stand section:450×550=247500mm2

    Positive/negative roller bending force(each side of each work roller): +150kN/-80kN

    Positive roller bending force(one side of each middle roller):300kN

    Transverse transfer of middle roller:
    +150mm for upper middle roller, -150mm for lower middle roller

    Systematic pressure of general low-voltage hydraulic system: 10MPa

    Systematic pressure of roller bending hydraulic system:18.5MPa

    Systematic pressure of Hydraulic :23MPa

    Electric control system: X-ray thickness gauge system, hydraulic AGC system, PLC and industrial computer, motor drive cabinets and operator control panels.

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