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High-Quality Skin Pass Mill from China Suppliers and Factory for Enhanced Steel Strip Performance

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Main Function of Equipment

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The CR strip coil undergoes a controlled reduction process, which effectively reduces stress and elongates the yield point. This process ensures that slip lines do not develop during subsequent stretching and punching operations.

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Following annealing, the CR coil strip is subjected to tempering, significantly enhancing its flatness and surface roughness.

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By adjusting the tempering reduction rate, we can achieve a specific variation range in the mechanical properties of the coil strip, allowing us to tailor its hardness and plasticity to meet diverse functional requirements.

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Components and Features of the Equipment
This equipment includes a hydraulic coil car, shear, uncoiler, front and back S rollers, clean brush roller, skin pass (tempering mill), anti-wrinkle roller, recoiler, auxiliary recoiler, unloading car, motor, electric control system, hydraulic AGC system, and hydraulic and lubrication devices, among others. Our factory in China ensures that all components meet high-quality standards, making us a reliable supplier in the industry.

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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)

    Q1 What materials are compatible with these temper mill models?
    All four models (650, 750, 850, and 1000) are compatible with normal carbon steel and stainless steel. The machines are designed to handle a wide range of metal strips commonly used in industrial manufacturing and processing.
    Q2 What is the maximum line speed available across all models?
    The Model 1000 offers the highest line speed of up to 600 m/min, making it the most suitable option for high-throughput production requirements. The Model 850 supports up to 400 m/min, while Models 650 and 750 both reach up to 300 m/min.
    Q3 What is the difference between 2-roll and 4-roll tempering mill types?
    The 2-roll configuration is simpler and typically used for thinner or less demanding materials, while the 4-roll configuration provides greater precision and force distribution, making it ideal for heavier or more demanding processing applications. Models 850 and 1000 exclusively feature the 4-roll type for superior performance.
    Q4 Can the temper mill parameters be customized based on our production needs?
    Yes. All models and parameters listed in the table are for reference only. The design and production of each temper mill line can be fully tailor-made to meet specific user requirements, including material type, width, thickness, line speed, and motor configuration.
    Q5 What type of motor is used for the main drive, uncoiler, recoiler, and S roll?
    All four models use the Z4 series motor for the main motor, uncoiler motor, recoiler motor, and S roll motor. The specific motor power and specifications are customized based on the customer's requirements and are noted as "omit" in the standard reference table.
    Q6 What is the elongation rate range supported by these temper mills?
    All models support an elongation rate range of 0.2% to 3.0%. This range allows precise control over strip flatness and surface quality, which is critical for producing high-quality steel coils used in downstream manufacturing processes.