4-Hi rolling, redefined
Fully automated · AGC · touchscreen recipe control
Uncoiler → 4Hi Mill → Recoiler
Hydraulic uncoiler, 4-high stand with work roll bending, backup rolls, and automatic gauge control.
Wide scope
Entry thickness 1.5 – 6.0 mm, exit 0.15 – 3.0 mm · Width 600 – 1650 mm · High reduction per pass.
AGC automation
Hydraulic screwdown, position/force control, feedforward & feedback, X-ray gaugemeter. Siemens CNC.
Energy smart
Main drives with regenerative braking, optimized pass schedules – up to 15% energy saving.
⚙️ Three-stage core
- Uncoiler: hydraulic expansion, peeler, coil car, edge guide for precise centering.
- 4-Hi Mill stand: work roll bending, backup rolls, AGC cylinders, quick roll change.
- Recoiler: tension reel with separator, coil car, automatic banding preparation.
⚡ technical specifications
Materials processed
🏭 4-Hi Cold Rolling mill · Vietnam 2000
🔧 Output CRC Coils on stacker
📐 4Hi Cold Rolling Mill w/t AGC
Design focus
99% uptime, stiff mill housing, anti-friction bearings, quick roll change, CE safety, automated pass schedule.
Applications
Automotive sheets, appliance panels, tinplate, electrical steel, precision stamping, construction.
The TOKO 4Hi AGC mill gives us consistently ±3µm on 0.5mm sheet. Production increased 40% with the new automation.
Download 4Hi brochure / quote — we reply within 4h.
Request custom solution📦 24h custom service — coil dimensions, materials, AGC level, financing.