Metal sheet unwinding machine
Stable tension control: Uses servo drive and tension sensors to ensure stable unwinding tension, reducing web breaks and coil rewinding issues.
High speed and high efficiency: Optimized drive and control algorithms to increase unwinding speed and reduce downtime, improving line throughput.
Broad material and specification compatibility: Compatible with various metal coils (steel, aluminum, copper, etc.), different thicknesses, widths, and coil diameters, enabling one machine to handle multiple products.
Precise positioning and centering: Coil centering devices and edge guiding achieve accurate alignment, reducing processing errors caused by coil misalignment.
Intelligent and online connectivity: Seamlessly interfaces with downstream equipment, PLC/HMI, and data acquisition systems; supports remote monitoring and fault diagnosis.
Robust structure and high reliability: Built with wear-resistant materials and a quiet design to withstand harsh industrial environments and low maintenance.
Safety first: Emergency stop, protective guards, and power-failure protection to reduce injury and equipment damage risks.
Easy operation and fast changeovers: User-friendly HMI, quick coil changes, and fast setup to minimize downtime.
Low energy consumption and operating costs: Efficient drive and low-friction design to reduce energy use and routine maintenance costs.
Strong customization capabilities: Can be tailored to customer coil specifications and production line needs (holding method, core adapter, tension range, remote monitoring, etc.).
The metal coil unwinding machine provides stable tension, high-speed unwinding, and intelligent monitoring, significantly improving line production efficiency.
Compatible with a wide range of metal coils, easy line changeovers, and safe and reliable—an ideal front-end device for medium- to large-scale slitting lines.
Product name: Unwinder
Description: The unwinder unit for metal coil production lines provides the core components of the unwinding section, featuring stable tension, precise centering, and fast line changes. It can seamlessly integrate with downstream equipment (slitting, straightening, coating, plating, etc.) and data acquisition systems, and is suitable for steel, aluminum, copper, and other metal coils.
Main features:
Stable tension control: closed-loop servo drive with tension sensors to ensure steady unwinding tension, reducing breaks and rewinding risk
Precise centering and edge guiding: centering devices and edge guides achieve high-precision alignment and lower processing tolerances
High-speed, efficient unwinding: optimized drive and control algorithms to boost unwinding speed and minimize downtime
Robust, low-noise, high-reliability construction: durable materials and quiet design for harsh industrial environments
Safety-oriented design: emergency stop, protective guards, power-failure protection to reduce risk of injuries and equipment damage
Easy operation and quick changeovers: user-friendly HMI, rapid coil changes and setups to shorten downtime
Energy and maintenance cost optimization: efficient drive and low-friction design reduce daily energy use and maintenance costs
Expandability and customization: supports multi-zone tension control, custom gripping, core adapter, remote monitoring, etc.
Key technical parameters (examples; to be filled per model sheet):
Unwinding method: servo-driven shaft or expansion arm
Coil outer diameter: customizable
Core inner diameter: customizable
Coil width range: customizable
Maximum unwinding speed: customizable
Tension range: customizable
Tension control: closed-loop tension sensing
Drive system: servo motor + reducer / variable-frequency drive
Braking system: electromagnetic brake or servo brake
Alignment accuracy: center deviation ± [C] mm; edge guide tolerance ± [D] mm
Control interface: PLC/HMI integration, supports remote monitoring
Safety features: E-stop, interlocked guards, anti-runaway protection
Power supply: [Voltage] V, [Phase] phase, [Frequency] Hz; IP [XX] protection rating
Operating temperature: [Temp]–[Temp_max] °C
Enclosure/weight: [L]×[W]×[H] mm; weight approximately [W] kg
Certifications: CE/UL as applicable
Maintenance interval: recommended service every [N] months
Standard components:
Unwinding shaft or expansion arm and core chuck
Tension rolls, tension sensors and load-control electronics
Edge guiding and centering devices
Servo motors and drive units
Safety guards, E-stop, interlocks
Operator panel and HMI
PLC interfaces and sensors
Base frame and vibration-damping feet
Downstream integration kit (communication interface, data acquisition interface)
Optional configurations:
Automatic coil loading/unloading system
Advanced centering/guidance (laser/optical edge detection)
High-grade guards and anti-collision systems
Multi-zone tension control for multi-product production
Direct interface modules with slitting/straightening lines
Applications & compatibility:
Suitable for steel, aluminum, copper and other metal coils
Wide support for thickness, width and coil diameter; specifics depend on model
Seamless integration with downstream equipment (slitting, straightening, coating/plating lines, PLC/HMI, data acquisition systems)
Packaging & delivery:
Standard packaging: moisture-proof wooden boxes, with transport protection and assembly guides
Factory testing: pre-shipment performance tests and acceptance checklist
Maintenance & service:
Standard warranty: 12 months (terms may vary by region)
Available customized maintenance services, spare parts kits, and on-site service

