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China Skin Pass Mill Suppliers - High-Performance Factory Equipment for CR Strip Coil Processing

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Main Function of Equipment

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In China, suppliers offer advanced equipment designed to flatten cold rolled (CR) strip coils, effectively reducing stress and elongation at yield point. This process ensures that during stretching and punching operations, no slip line occurs in the strip coils.

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Post-annealing, the CR coil strip undergoes tempering, significantly enhancing its flatness (coil shape) and surface roughness. By adjusting the reduction rate during tempering, suppliers can create a range of mechanical properties within the coil strip, allowing for varying levels of hardness and plasticity to meet diverse functional requirements.

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Components and Features of the Equipment
Our factory is equipped with a variety of components including a hydraulic coil car, shear, uncoiler, front and back S roller, clean brush roller, skin pass (tempering mill), anti-wrinkle roller, recoiler, auxiliary recoiler, unloading car, motor, electric control, hydraulic AGC system, and hydraulic and lubrication devices. These components work together seamlessly to provide optimal performance for cold rolled strip processing.

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    Technical Parameter Table
    MODEL / PARAMETER 650 750 850 1000
    Material Normal carbon steel, stainless steel Normal carbon steel, stainless steel Normal carbon steel, stainless steel Normal carbon steel, stainless steel
    Material thickness (mm) 0.16~1.5 0.3~0.8~1.5 0.3~0.8~1.5 0.3~1.5
    Material width (mm) 550 650 750 900
    Elongation rate (%) 0.2~3.0 0.2~3.0 0.2~3.0 0.2~3.0
    Line speed (m/min) 180~300 180~300 180~400 240~600
    Tempering mill type 2 roll or 4 roll 2 roll or 4 roll 4 roll 4 roll
    Tempering force (KN) 1450 1700 2000 2500
    Driving method Working roll driving Working roll driving Working roll driving Working roll driving
    Hydraulic station pressure (MPa) 10 10 10 10
    Main motor Z4 series(omit) Z4 series(omit) Z4 series(omit) Z4 series(omit)
    Uncoiler motor Z4 series(omit) Z4 series(omit) Z4 series(omit) Z4 series(omit)
    Recoiler motor Z4 series(omit) Z4 series(omit) Z4 series(omit) Z4 series(omit)
    S roll motor Z4 series(omit) Z4 series(omit) Z4 series(omit) Z4 series(omit)
    Remark: the model and parameter shown in this table are for reference only. The design and production can be tailor-made according to user’s requirements.
    Frequently Asked Questions
    What materials are suitable for these tempering mills?
    Our tempering mills are designed to process both normal carbon steel and various grades of stainless steel efficiently.
    What is the maximum line speed achievable?
    The line speed varies by model, ranging from 180 m/min for the 650 model up to a high-speed capability of 600 m/min for the 1000 model.
    Can the machine handle different material thicknesses?
    Yes, depending on the model selected, the equipment can handle material thicknesses ranging from a minimum of 0.16mm up to 1.5mm.
    What is the difference between the 2-roll and 4-roll types?
    We offer 2-roll or 4-roll configurations for models 650 and 750, while the larger 850 and 1000 models utilize a 4-roll system to ensure stability and precise tempering force.
    Are the technical specifications customizable?
    Absolutely. While we provide standard models, all design and production parameters can be tailor-made to meet specific user requirements and production goals.
    What driving method is used in these mills?
    All models in this series utilize a working roll driving method to ensure consistent elongation rates and material quality.