Work Roll Lubrication System for Hot Strip Mills

The Work Roll Lubrication (WRL) system is a solution designed to tackle key challenges in the steel industry, especially within hot strip mills and Arvedi ESP plants. By reducing the coefficient of friction between work rolls and the strip, the Work Roll Lubrication system significantly lowers the rolling force. It improves the quality of the work roll surface. This leads to superior strip quality and enhanced operational efficiency. Its innovative design allows standard work roll cooling to remain active during lubrication, ensuring optimal performance without compromising cooling processes.

The Work Roll Lubrication (WRL) system features patented mixing nozzle units that apply a water-oil emulsion directly to the entry side of the work roll. This strategic application reduces the coefficient of friction, resulting in a significant decrease in rolling force. The system's design ensures that standard work roll cooling remains operational, which, in conjunction with optimal work roll lubrication, maintains the strip's surface quality. Additionally, quick couplings are integrated into the newly developed nozzle beam, facilitating faster maintenance and minimizing downtime.

Benefits of the Work Roll Lubrication (WRL) System

• Reduced rolling force: achieve lower rolling force through effective friction reduction
• Energy saving: lower rolling forces and lower rolling torques lead to a significant reduction of drive energy
• Improved strip quality: enhance strip quality with better work roll surface conditions
• Continuous cooling: maintain normal work roll cooling during lubrication for optimal performance
• Efficient maintenance: quick couplings enable faster maintenance of the nozzle beam