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

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MAIN FUNCTION OF EQUIPMENT

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The CR strip coil undergoes a flattening process with a small rate of reduction, effectively eliminating a significant amount of stress and reducing yield point elongation. This ensures that during stretching and punching, slip line issues in the strip coil are mitigated.

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Post-annealing, the CR coil strip is treated through tempering, which significantly enhances both the flatness of the strip (coil shape) and its surface roughness.

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By carefully adjusting the reduction rate during tempering, we can achieve specific variations in the mechanical properties of the coil strip. This flexibility allows us to tailor the hardness and plasticity of the coil strip to meet diverse functional requirements, making it ideal for various applications.

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COMPONENTS AND FEATURES OF THE EQUIPMENT
Our advanced equipment includes 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 systems, hydraulic AGC system, and hydraulic and lubrication devices. As a leading manufacturer and supplier in China, our factory is committed to providing top-quality solutions for coil processing.

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    Technical Parameter Table
    Model / Technical 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 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 (FAQ)
    What materials are compatible with these temper mill models?
    All four models (650, 750, 850, and 1000) are compatible with both normal carbon steel and stainless steel, making them versatile for a wide range of industrial metalworking applications.
    What is the maximum material thickness these temper mills can handle?
    All models support a maximum material thickness of 1.5 mm. The Model 650 can process material as thin as 0.16 mm, while Models 750, 850, and 1000 start from 0.3 mm thickness.
    What is the difference between the 2-roll and 4-roll tempering mill types?
    The 2-roll configuration is available for Models 650 and 750 and is suitable for lighter-duty applications. The 4-roll configuration provides greater rolling force and precision, and is standard for Models 850 and 1000, which require higher tempering forces of up to 2500 KN.
    Can the technical parameters be customized to meet specific production requirements?
    Yes. The models and parameters listed in the table are for reference only. Both design and production can be fully tailor-made to match your specific operational requirements, including material width, line speed, elongation rate, and more.
    What type of motor is used across all temper mill models?
    All models use the Z4 series DC motors for the main drive, uncoiler, recoiler, and S-roll functions. Specific motor power ratings are determined based on customized configuration and are provided upon request.
    What is the hydraulic station pressure for these temper mills?
    The hydraulic station pressure is standardized at 10 MPa across all four models (650, 750, 850, and 1000), ensuring consistent and reliable hydraulic clamping and rolling force control during operation.