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Leveling Unit
The leveling machine is suitable for leveling cold-rolled strip steel after annealing, with the primary purpose of enhancing the mechanical properties of the strip steel.
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Leveling Unit
The leveling machine is designed for the leveling of cold-rolled strip steel after annealing, with the primary goal of enhancing the mechanical properties of the strip—specifically, increasing its surface hardness, strength, and elasticity—while also ensuring superior deep-drawing performance, excellent flatness, and exceptional surface finish. The medium- and wide-width precision plate four-roll leveling machine series is equipped with a hydraulic AGC thickness control system and an automatic rolling line adjustment device. The work rolls feature a hydraulic positive-negative bending electro-hydraulic servo system, fully controlled online by a computer, enabling precise leveling processes such as constant elongation, constant rolling force, constant roll gap, and constant tension.
Unit process characteristics:
1. It employs AGC servo hydraulic lowering, offering advantages such as high control precision, fast system response, and a high degree of automation.
2. Hydraulic online roll changing, with short roll-changing time;
3. Utilizing work roll bending to adjust the contact pressure distribution between rolls, achieving high precision in strip shape control;
4. Utilize support roller drive.
Unit process flow:
Uncoiling → Hydraulic shear → Inlet S-roll → Inlet anti-crease roll → Leveler → Outlet anti-crease roll → Outlet S-roll → Coiler.
Production process parameters:
Raw Materials |
Board width |
Board thickness |
Leveling Speed |
Leveling Force |
Cold-rolled strip and sheet |
600–1,680 mm |
0.2–2.0 mm; 2–6.8 mm |
20–300 m/min |
5000–8000 kN |
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