Coil Eccentricity Expert

The Coil Eccentricity Expert is an innovative control system designed to address the challenges of coil eccentricity in cold-rolled steel production. Coil eccentricity, caused by factors such as strip head misalignment or mandrel eccentricity, leads to tension oscillations that can result in thickness errors and surface defects. These issues are aggravated at high rolling speeds, where traditional tension controllers fail to compensate effectively. Coil Eccentricity Expert offers a robust solution by modeling and compensating for eccentricity, ensuring superior strip quality and operational efficiency.

In the realm of cold-rolled steel production, managing coil eccentricity is crucial for maintaining consistent strip quality. The Coil Eccentricity Expert employs a model-based control system that adapts to all eccentricities during winding. By maintaining a stable compensation rate across all speeds, Coil Eccentricity Expert ensures consistent strip quality and effectively compensates for eccentricity during acceleration, accommodating various strip types, coil diameters, and pass reductions.

Coil Eccentricity Expert is designed to prevent the excitation of the winder shaft resonance frequency, avoid exceeding torque limits, and protect the gearbox from tooth-flank rattle. It uses a model-based approach to adapt to all types of eccentricities occurring during winding, ensuring stability and high compensation rates. The system operates effectively across all speeds, providing consistent performance during acceleration and deceleration. Its compatibility with all strip types, coil diameters, and pass reductions makes it highly adaptable to various production scenarios.

By offering maximum compensation frequency and amplitude, Coil Eccentricity Expert effectively manages coil eccentricity, ensuring optimal performance and safeguarding critical components in the production process.

Benefits of the Coil Eccentricity Expert

• Enhanced strip quality: stable strip tension improves thickness tolerances and surface quality.
• Maintenance friendly: utilizes existing sensors and instrumentation, eliminating the need for additional equipment
• Rapid implementation: easily integrates into existing basic automation environments, offering a fast CAPEX solution
• Versatile application: suitable for unwinders and rewinders in skin-pass cold mills, batch tandem cold mills, and tandem mills, improving tension and thickness quality

Features of the Coil Eccentricity Expert

• Model-based control: the expert uses a model-based approach to adapt to all types of eccentricities occurring during winding, ensuring stability and high compensation rates.
• Wide speed range: it operates effectively across all speeds, providing consistent performance during acceleration and deceleration.
• Versatility: the system is compatible with all strip types, coil diameters, and pass reductions, making it highly adaptable to various production scenarios.
• Protection mechanisms: the Coil Eccentricity Expert is designed to avoid excitation of the winder shaft resonance frequency, prevent exceeding torque limits, and eliminate tooth-flank rattle, thereby protecting the gearbox.
• High compensation frequency and amplitude: it offers maximum compensation frequency and amplitude to effectively manage coil eccentricity.