PLC-Controlled Reel
rewinding machine – Precision Uncoiling, Accurate Slitting, Seamless Recoiling for Industrial
metal coil processing This advanced PLC-controlled rewinding machine is engineered for high-efficiency, reliable performance in modern metal coil handling operations. Designed to transform raw coils into neatly wound, transport-ready rolls, it integrates precise tension control, automated positioning, and clean slitting capabilities—ensuring consistent quality across diverse materials such as steel, aluminum, and copper. Whether you're processing flat metal sheets or continuous strip material, this system delivers unmatched accuracy from uncoiling to final coiling, making it an essential asset in manufacturing, fabrication, and recycling facilities worldwide. Key Features: - Fully automated PLC-based control system for stable operation and minimal manual intervention - Dual-axis tension regulation ensures uniform winding without edge damage or slack - Integrated CPC (Center Positioning Control) and EPC (Edge Positioning Control) systems for perfect alignment during unwinding and rewinding - High-speed crop shear and disc shear for accurate cutting of coil segments - Reverse bending pinch rollers and entry/exit roller clusters that reduce material deformation and improve surface finish - Modular design with loading/unloading trolleys for efficient workflow and reduced downtime Detailed Description: The unit begins with a robust
steel uncoiler that feeds the incoming coil through precision rollers, maintaining consistent tension throughout the process. A sharpened blade or rotary disc shear then cuts the material to the desired length, while the CPC device aligns the centerline automatically to prevent off-center winding. After cutting, the strip passes through an entry pinch roller and trimming mechanism before reaching the rewinder, where it’s wound onto a core using a servo-driven motor system. The EPC edge guide ensures lateral stability, minimizing misalignment and waste. Once fully rewound, the new coil is securely held by the coiler and transferred via an unloading trolley—ready for storage, shipping, or further processing. With components like reverse bending pinch rollers, shredding shears, and anti-slip roller surfaces, this system minimizes material loss, prevents scratches, and enhances safety in industrial environments. Ideal Applications: This versatile reel rewinding solution is widely used in sheet metal fabrication plants, galvanizing lines,
cold rolling mills, and scrap metal recycling centers. It supports both continuous and intermittent processing modes, accommodating coil widths from 50mm up to 1600mm and thicknesses ranging from 0.1mm to 3mm. Industries involved in automotive parts production, construction materials, electronics, and packaging benefit significantly from its ability to produce tightly wound, defect-free coils that meet international standards for stacking efficiency and transport readiness. Customer Feedback: Users consistently praise the machine's reliability under heavy-duty conditions. One operator noted, “The automatic edge tracking eliminated our previous issues with misaligned rolls—now we’re reducing scrap by over 15%.” Another commented on the ease of maintenance: “The modular layout makes servicing quick and intuitive—we’ve cut repair time by more than half.” These testimonials reflect real-world gains in productivity, consistency, and cost savings across multiple sectors. Frequently Asked Questions: What makes this rewinding machine different from traditional models? Unlike older mechanical systems, this unit uses programmable logic controllers (PLCs) for adaptive tension management, allowing seamless transitions between different coil types and sizes without manual recalibration. Can it handle various metals including stainless steel and aluminum? Yes—it’s optimized for ferrous and non-ferrous materials, including galvanized steel, aluminum alloy, and copper strips, thanks to adjustable roller pressure and cutting parameters. How does it ensure coil integrity during re-coiling? Advanced tension sensors, coupled with CNC-guided winding mechanisms, maintain optimal force distribution across the entire width, preventing wrinkles, gaps, or loose layers. Is training required for operation? While basic familiarity with industrial machinery is helpful, the intuitive interface and clear visual indicators make it accessible even to technicians with limited experience in coil processing equipment.
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