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China Skin Pass Mill Suppliers | High-Performance Factory Equipment for Cold Rolled Coil Processing

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MAIN FUNCTION OF THE EQUIPMENT

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This China-manufactured equipment is designed to efficiently flatten Cold Rolled (CR) strip coils with a low reduction rate, effectively eliminating a significant amount of stress and yield point elongation. During processes like stretching and punching, the strip coil will not exhibit slip line issues.

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Once the CR coil strip undergoes annealing, it proceeds through a tempering process that enhances both the strip's flatness (coil shape) and surface roughness. By fine-tuning the reduction rate during tempering, this system can adjust the mechanical properties of the coil strip, allowing for variations in hardness and plasticity to meet diverse functional requirements.

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COMPONENTS AND FEATURES OF THE EQUIPMENT
This advanced production system 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, Hydraulic AGC System, and Hydraulic and Lubricate Devices. Our factory ensures that each component is crafted with precision to deliver optimal performance.

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    Technical Parameter Table

    Technical Parameter / Model 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 can these tempering mills process?
    These tempering mills are designed to process normal carbon steel and stainless steel, ensuring optimal flatness and surface quality.
    Can the technical parameters be customized for our specific needs?
    Yes, absolutely. The model specifications and parameters listed in the table are for reference only. We offer tailor-made design and production services to fully meet your specific production requirements.
    What is the difference between the 2-roll and 4-roll tempering mill types?
    Depending on the model, we offer 2-roll or 4-roll configurations. Models 650 and 750 support both 2-roll and 4-roll types, while the larger Models 850 and 1000 utilize a 4-roll configuration to handle higher tempering forces and wider materials.
    What is the maximum line speed and tempering force of Model 1000?
    Model 1000 features a maximum line speed of 240~600 m/min and delivers a tempering force of up to 2500 KN, making it suitable for high-capacity industrial production.
    What driving method is utilized in these machines?
    All models in this series utilize the working roll driving method, which ensures stable operation and precise control over the elongation rate.