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China Skin Pass Mill Suppliers and Factory for Enhanced CR Strip Coil Processing

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MAIN FUNCTION OF THE EQUIPMENT

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Our advanced coil processing equipment effectively flattens cold-rolled (CR) strip coils with a controlled reduction rate, eliminating excess stress and enhancing yield point elongation. This innovative process ensures that during stretching and punching operations, the strip coil does not exhibit slip lines, maintaining high-quality material integrity.

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Post annealing, the CR coil strips undergo a tempering process, significantly improving their flatness and surface roughness. Adjusting the tempering reduction rate allows for tailored mechanical properties, ensuring that the hardness and plasticity of the coil strip meet diverse functional requirements.

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EQUIPMENT COMPONENTS AND FEATURES
Our state-of-the-art setup 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 systems, hydraulic AGC system, and hydraulic and lubrication devices. This comprehensive range of components makes our factory a leading supplier of high-performance equipment in China.

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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
    What materials are compatible with these temper rolling mill models?
    All four models (650, 750, 850, and 1000) are compatible with both normal carbon steel and stainless steel, making them highly versatile for various industrial applications.
    What is the maximum line speed achievable with these temper rolling mills?
    The Model 1000 offers the highest line speed range of 240–600 m/min. The Model 850 supports up to 400 m/min, while Models 650 and 750 reach up to 300 m/min.
    What is the difference between the 2-roll and 4-roll tempering mill configurations?
    The 2-roll configuration is suitable for lighter-duty applications and is available on Models 650 and 750. The 4-roll configuration provides higher rigidity and more precise control of elongation, and is standard on Models 850 and 1000, and optional on Models 650 and 750.
    Can the temper rolling mill parameters be customized to meet specific production requirements?
    Yes. All models and parameters listed in the technical table are for reference only. The design and production can be fully tailor-made according to the user's specific requirements, including material dimensions, speed, and rolling force.
    What type of motor is used across all models, and can it be upgraded?
    All models utilize the Z4 series DC motors for the main drive, uncoiler, recoiler, and S roll functions. Motor specifications are listed as "omit," indicating they can be customized or upgraded based on the customer's operational needs and power supply conditions.
    What is the hydraulic station pressure for these temper rolling mills?
    All four models — 650, 750, 850, and 1000 — operate at a standard hydraulic station pressure of 10 MPa, ensuring consistent and reliable hydraulic performance across the entire product range.