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China High-Speed Cr Coil Slitting Line Factory – Top Suppliers for High, Medium, and Low Speed Solutions

Introducing our advanced slitting line, a top choice among China suppliers known for its exceptional speed and versatility. Designed for varying production needs, this state-of-the-art equipment is available in three grades: high, medium, and low speed. It accommodates material thicknesses from 0.25 mm to 20 mm and widths ranging from 200 mm to an impressive 3,000 mm. Notably, our high-speed disc slitting line achieves speeds of up to 120 m/minute, making it ideal for high-efficiency operations in any factory setting. Choose our slitting line for reliable performance and quality that sets your business apart in the market

    Product Introduction

    The slitting machine is a key piece of equipment in industry for cutting wide metal or non-metallic coil materials into several narrow strips of the required width along the length direction. Its core working principle is to continuously roll-cut the material through the rotation of the upper and lower circular disc knife shafts.

    Core Structure & Unit Composition

    The core structure mainly consists of upper and lower knife shafts, fixed/movable frames, and a synchronous lifting mechanism. The knife shafts and frames undergo precise processing (such as turning, high-frequency treatment, grinding, and chrome plating, etc.) to ensure the rigidity and accuracy of the equipment.

    This series of production line is applicable to coils of various specifications. It is used for slitting the coil into required width for the use of punch line through the procedure of uncoiling, pre-leveling, cropping, slitting and recoiling.

    It has advantages such as proper layout, easy operation, highly automated and high production efficiency.

    Applicable Materials
    • Cold-rolled & Hot-rolled Coils
    • Silicon Steel Coils
    • Stainless Steel Coils
    • Colored Coils
    • Aluminum Coils
    • Plated & Coated Coils
    Industry Applications
    • Automobiles
    • Containers
    • Household Appliances
    • Food Packaging
    • Construction Materials
    • And many more industries

    This line consists of loading cart, uncoiler, slitter, scrap winder, cropping shear, tension controller and coil recoiler, etc. Loop bridge, pinch and deviation corrector are equipped between each machine.

    This automatic coil processing line is an integration of mechanical, electrical, hydraulic and pneumatic technology.

    Cr Coil Slitting Line (1) Cr Coil Slitting Line (1) Cr Coil Slitting Line (2)

    Main Technical Parameters

    Name \ Model 1.2×1250 2×1250 3×1600 6×1500
    Coil Thickness (mm) 0.2–1.2 0.5–3.2 0.3–3.0 1–6
    Coil Width (mm) 400–1250 400–1250 500–1600 500–1500
    Coil Weight (T) 10T 10T 16T 15T
    Coil I.D. (mm) φ508 φ508 φ508 φ508
    Recoiling I.D. (mm) φ508 φ508 φ508 φ508
    Main Shaft Dia. (mm) φ160 φ180 φ180 φ240
    Slitting Strips ≤25 ≤15 ≤25 ≤20
    Line Speed (m/min) 80–120 0–100 90–120 0–60
    Total Power ≤90KW ≤100KW ≤180KW ≤245KW
    Frequently Asked Questions (FAQ)
    What types of materials can the coil slitting line process?
    The coil slitting line is designed to process a wide range of materials, including cold-rolled and hot-rolled coils, silicon steel coils, stainless steel coils, colored coils, aluminum coils, and various plated or coated coils. It is suitable for industries such as automotive, construction, food packaging, and household appliances.
    What is the maximum coil thickness and width this machine can handle?
    Depending on the model, the machine can handle coil thicknesses ranging from 0.2mm up to 6mm, and coil widths from 400mm up to 1600mm. The model 6×1500, for example, handles thickness of 1–6mm and width up to 1500mm with a maximum coil weight of 15 tons.
    What is the maximum line speed of the slitting machine?
    The line speed varies by model. The 1.2×1250 and 3×1600 models can reach up to 120 m/min, the 2×1250 model up to 100 m/min, and the 6×1500 model up to 60 m/min. The speed is adjustable based on material specifications and production requirements.
    What components make up a complete coil slitting production line?
    A complete slitting line typically includes a loading cart, uncoiler, slitter head, scrap winder, cropping shear, tension controller, and coil recoiler. In addition, loop bridges, pinch rollers, and deviation correctors are installed between each machine to ensure smooth and accurate material flow.
    How is the precision and rigidity of the knife shaft ensured?
    The knife shafts and machine frames go through a series of precise manufacturing processes including turning, high-frequency hardening treatment, precision grinding, and chrome plating. These processes guarantee the dimensional accuracy, surface hardness, and long-term rigidity required for consistent slitting quality.
    Is the slitting line suitable for automated production environments?
    Yes. The slitting line integrates mechanical, electrical, hydraulic, and pneumatic technologies into a fully automated system. It features easy operation, a well-organized layout, and high production efficiency, making it an ideal solution for automated coil processing in large-scale manufacturing facilities.