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    4 HI REVERSING COLD ROLLING MILL

    4 HI REVERSING COLD ROLLING MILL
    6 Hi Reversing Cold Rolling Mill

    6 Hi Reversing Cold Rolling Mill
    Tamdem Rolling Mill / Continuous Rolling Mill

    Tamdem Rolling Mill / Continuous Rolling Mill
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    Skin Pass Mill
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    Tamdem Rolling Mill Continuous Rolling Mill (1).jpg
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    Tamdem Rolling Mill Continuous Rolling Mill (3).jpg
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    High-Precision Tandem Rolling Mill for Carbon and Stainless Steel - China Suppliers & Factory Equipment

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    MAIN FUNCTION OF THE EQUIPMENT
    This advanced rolling machine is designed for the precise reverse rolling of high-quality normal carbon steel, stainless steel strips, and low alloy steel. It ensures superior performance, making it an excellent choice for manufacturers looking to enhance their production capabilities in China.

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    COMPONENTS AND FEATURES OF THE EQUIPMENT
    Our rolling mill setup includes an uncoiler, hydraulic coil car, unloading car, a 5-roll pinch flattener, entrance and exit platforms, and a customizable rolling mill design (users can specify the number of mills for continuous rolling). Additionally, it features left and right recoilers, a joint gearbox, a hydraulic Automatic Gauge Control (AGC) and bending roll system, a high-efficiency driving motor, an advanced electric control system, and both equipment lubrication and process lubrication systems. As a leading factory and supplier in China, we ensure that all components meet the highest quality standards for optimal performance.

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      Product Details

      Product Introduction

      ⚙️ Multi-Stand Series Configuration
      📏 Thickness Accuracy: ±1μm
      🏗️ Four-High / Six-High / Twelve-High

      The continuous rolling mill achieves continuous plastic deformation of metal materials by connecting multiple rolling mills in series. Its core principle is based on the equal second flow model, meaning the volume flow of metal between each stand remains constant. Uniformity of the strip thickness (with an accuracy of ±5μm) is ensured through speed matching and tension control. The equipment consists of reducers, motors, universal joint shafts, roller systems, etc., and supports four-high, six-high or twelve-high stand configurations, suitable for the production of high-precision sheet and strip materials.

      Cold Continuous Rolling Mill: Using hot-rolled coils as raw materials, after pickling, they are rolled through multiple stands, with thickness accuracy reaching ±1μm. It is used for high surface quality products such as home appliance panels and car bodies.

      Process Flow
      1
      Hot Coil Pickling
      →
      2
      Multi-Stand Rolling
      →
      3
      Annealing
      →
      4
      Tempering

      Supports headless rolling technology to enhance continuity.

      Technical Parameter Table

      Mill Model / Technical Parameter 650 750 850
      Material Carbon steel and low alloy steel Carbon steel and low alloy steel Carbon steel and low alloy steel
      Material Thickness (mm) 2.0~3.0 2.0~3.0 2.0~3.0
      Material Width (mm) 400~520 500~650 600~750
      Finish Thickness (mm) 0.6~0.40 0.6~0.40 0.6~0.40
      Pressing Force (KN) 5000 6000 7000
      Support Roll Specification (mm) Φ520×550 Φ600×700 Φ700×820
      Working Roll Specification (mm) Φ175×600 Φ200×750 Φ240×850
      Mill Units 5 Sets Units 5 Sets Units 5 Sets Units
      Driving Method Working Roll Driving Working Roll Driving Working Roll Driving
      Main Motor DC Motor DC Motor DC Motor
      Speed Reducer Joint Gear Box Joint Gear Box Joint Gear Box
      Uncoiler (Specifications) Φ610×600 Φ610×750 Φ610×850
      Recoiler (Specifications) Φ508×600 Φ508×750 Φ508×850
      Rolling Speed (m/min) 360 420 480
      Uncoiler Loop Disc Loop or Ground Loop Disc Loop or Ground Loop Disc Loop or Ground Loop
      Recoiler Tension (KN) 25 30 35
      Pressing Method Hydraulic AGC Hydraulic AGC Hydraulic AGC
      DC Speed Regulator Siemens 6RA70 Siemens 6RA70 Siemens 6RA70
      Electric Control Siemens PLC Siemens PLC Siemens PLC
      ℹ️ Remark: The model and parameters shown in this table are for reference only. The design and production can be tailor-made according to user's requirements.

      Frequently Asked Questions

      Q
      What is the core operating principle of the continuous rolling mill?
      A
      The continuous rolling mill operates on the equal second flow model, which ensures that the volume flow of metal passing through each stand remains constant. Strip thickness uniformity (±5μm accuracy) is maintained through precise speed matching and tension control between multiple rolling stands connected in series.
      Q
      What stand configurations are available for the continuous rolling mill?
      A
      The equipment supports four-high, six-high, and twelve-high stand configurations, making it adaptable for a wide range of high-precision sheet and strip material production requirements.
      Q
      What materials can the continuous rolling mill process?
      A
      All three mill models (650, 750, and 850) are designed to process carbon steel and low alloy steel. The cold continuous rolling mill specifically uses hot-rolled coils as raw materials, which are pickled before being rolled through multiple stands.
      Q
      What thickness accuracy can the cold continuous rolling mill achieve?
      A
      The cold continuous rolling mill achieves a thickness accuracy of ±1μm, making it suitable for producing high surface quality products such as home appliance panels and automotive body panels where precision is critical.
      Q
      What control and drive systems are used in these rolling mills?
      A
      All models feature a Hydraulic AGC (Automatic Gauge Control) pressing method, Siemens 6RA70 DC speed regulators, and Siemens PLC electric control systems, ensuring reliable, precise, and automated operation across all production stages.
      Q
      Can the rolling mill specifications be customized to meet specific production requirements?
      A
      Yes. The models and parameters listed in the technical parameter table are provided as reference only. Both the design and production can be fully tailor-made according to each user's specific requirements, including material width, rolling speed, pressing force, and other key parameters.