Le steel rolling mill machinery plant stands as the backbone of modern metal manufacturing, transforming raw billets into precision-engineered steel products. These industrial complexes integrate sophisticated mechanical systems with cutting-edge automation to produce everything from construction rebars to aerospace-grade alloys.
Fundamentals of Rolling Mill Technology
À la base, un rolling mill plant utilizes compressive forces between rotating cylinders to reduce material thickness. The process begins with reheated steel slabs entering roughing stands before progressing through intermediate and finishing mills. Modern facilities incorporate laminoirs à chaud for high-temperature processing and laminoirs à froid for precision thickness control, both requiring specialized auxiliary equipment.
Critical Machinery Components
Steel rolling mill machinery plants incorporate integrated systems:
- Chandelles roulantes: Housing work rolls and backup rolls that progressively shape metal
- Systèmes de détartrage: High-pressure water jets removing surface oxidation
- Lits rafraîchissants: Controlled-temperature conveyor systems
- Coilers/Decoilers: For handling continuous strip production
- Contrôles d'automatisation: Siemens or ABB PLC systems regulating tolerances
Paramètres techniques des laminoirs modernes
Avancé équipement de laminoir operates within precise technical specifications. The following table details critical parameters for hot rolling systems:
| Parameter Category | Technical Specification | Industrial Standard | Measurement Unit |
|---|---|---|---|
| Vitesse de roulement maximale | 25-120 | OIN 10138 | MS |
| Rolling Force Capacity | 10,000-45,000 | DEPUIS 23105 | kN |
| Diamètre du rouleau de travail | 450-1,350 | OIN 16162 | mm |
| Capacité de production annuelle | 500,000-5,000,000 | ASTMA568 | metric tons |
| Tolérance d'épaisseur | ±0.005-0.05 | DANS 10051 | mm |
| Tolérance de largeur | +0/-5 à +0/-10 | JIS G3193 | mm |
| Puissance du moteur (Main Drive) | 5,000-12,000 | CEI 60034 | kW |
| Température de roulement | 900-1,250 | ASTM E21 | °C |
| Hydraulic System Pressure | 180-320 | OIN 4414 | bar |
| Minimum Final Thickness | 1.2-25.4 | DEPUIS 1543 | mm |
| Maximum Input Thickness | 150-350 | OIN 9444 | mm |
| Temps de changement de rouleau | 5-15 | OIN 3004-5 | minutes |
Solutions intégrées de Hani Tech
As a global leader, Hani Tech provides comprehensive solutions for steel rolling mill machinery plants. Leur systèmes de laminoirs à chaud feature:
- Energy-efficient walking beam furnaces with ≤1250 kcal/kg heat consumption
- Hydraulic AGC systems controlling thickness variation within ±5μm
- Intelligent coiling temperature control (±10°C accuracy)
Complementary metallurgical equipment from their sister division includes submerged arc furnaces and ladle refining stations that prepare raw materials with precise chemical compositions.
Systèmes de contrôle avancés
Moderne rolling mill machinery plants employ multi-level automation:
- Niveau 1: Drive control via PLCs (Siemens S7, Allen-Bradley)
- Niveau 2: Process optimization with AI-based rolling force prediction
- Niveau 3: Production planning integration (MES interfaces)
Propriété de HANI TECH rolling mill solutions incorporate IoT sensors that monitor roll deflection in real-time, reducing profile deviations by up to 40% par rapport aux systèmes conventionnels.
Entretien & Modernization
Proactive maintenance extends equipment lifespan in any usine de laminoir d'acier. Critical considerations include:
- Roll regrinding cycles (every 300-10,000 tons depending on material)
- Bearing lubrication intervals (8-24 hour continuous operation)
- Vibration analysis for early gearbox failure detection
HANI TECH provides specialized spare parts including work roll assemblies, gear couplings, and hydraulic AGC cylinders designed for rapid replacement during planned maintenance shutdowns.
Sustainability Innovations
Contemporain rolling mill machinery plants prioritize resource efficiency:
- Regenerative burner technology reducing gas consumption by 25-30%
- Closed-loop water cooling systems with ≤0.5 m³/ton consumption
- Waste heat recovery generating up to 15 MW/hour electricity
These innovations position modern steel rolling mill machinery as environmentally responsible manufacturing hubs.
L'évolution de steel rolling mill machinery plants continues to drive metal manufacturing forward. Through integrated solutions like those from HANI TECH – combining precision rolling mills with optimized auxiliary systems – producers achieve unprecedented quality while meeting increasingly stringent sustainability targets. As digitalization transforms these industrial complexes, the core mission remains: transforming raw steel into engineered excellence.
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