In an industry where new hot rolling mills command premium prices, this Used 750mm Hot Rolling Machine (fully refurbished 2024) bridges the gap between affordability and high performance. Engineered for hot charging rolling mill efficiency and hot skin pass mill surface quality, it transforms 300mm slabs into 5mm sheets with ±0.1mm precision—ideal for carbon steel, stainless steel, and aluminum alloys across construction, aerospace, and consumer goods sectors.
Table: Competitive Advantages
3.1 Carbon Steel Dominance
Products: Construction rebars (Ø10–40mm), 20mm thick plates.
Hot Charging Advantage: Processes 950°C slabs directly from furnaces, cutting reheating energy by 30%.
Precision: Holds ±0.15mm tolerance under 1,200°C thermal stress.
3.2 Stainless Steel Excellence
Products: Marine-grade fittings (316L), kitchen sinks (430 stainless).
Hot Skin Pass Mill Function: Integrated tension control eliminates orange-peel effect.
Corrosion Resistance: High-pressure emulsion spray removes scale without watermarks.
3.3 Aluminum Alloy Innovation
Products: Truck chassis (6xxx series), aircraft skin panels (7075).
Crack Prevention: Adaptive roll gap control for 0.5mm ultrathin sheets.
Thermal Management: Liquid nitrogen-assisted cooling prevents recrystallization.
4.1 Smart Sensor Ecosystem
AI-Powered Anomaly Detection: Predicts roll wear/thermal camber 72h in advance.
Hardness Compensation: Auto-adjusts roll force when material hardness fluctuates >15 HB.
4.2 High-Pressure Cleaning System
Scale Removal: 250-bar water jets eliminate surface oxidation pre-skin pass.
Surface Finish: Achieves Ra ≤1.6 µm (equivalent to cold-rolled quality).
4.3 Energy Recovery Architecture
Regenerative Drives: Convert braking energy into 480V auxiliary power.
Heat Recapture: Recovers furnace exhaust to preheat incoming slabs.
5.1 Refurbishment Certification
Component Overhaul: Rolls reground to ±5µm cylindricity; bearings replaced with SKF Explorer series.
Stress Testing: 500+ hours of continuous operation simulating 200-ton/day production.
5.2 Cost-Benefit Analysis
5.3 Safety & Compliance
SIL-2 Emergency Stop: Halts rolls in 0.8 seconds via redundant hydraulic brakes.
CE/PED Certified: Meets EU pressure equipment directives for slab rolling.
Construction: Rolling 40mm ASTM A36 plates to 8mm I-beams at 2.5 m/s.
Automotive: Producing 6061-T6 aluminum truck frames (5mm) with ≤0.1mm warp.
Consumer Goods: Creating brushed-finish stainless steel cookware (Ra 0.8–1.2 µm).
Performance Parity: Matches 90% of new hot rolling mills specs at 60% cost.
Future-Proof Upgrades: Compatible with Industry 4.0 IoT platforms (OPC UA/MTConnect).
Legacy Integration: Retrofits existing hot charging rolling mill lines with minimal downtime.
