HOGI cnc 4-Roller plate rolling machine 4-roller plate rolling machine
HOGI CNC 4-Roller Metal Plate Rolling Machine
HOGI CNC Hydraulic 4-Roller Plate Rolling Machine — Fully hydraulic with digital control, for HVAC ducting, pressure vessels, and cylinder fabrication.
- Straight-line side roller swing — excellent pre-bending effect, minimal straight-edge waste
- Hydraulic distribution valves + displacement sensors on pressure and side rollers — perfect synchronization
- Full servo drive — 40% energy savings, 2-3x higher productivity than 3-roller machines
- Minimum rolling diameter down to 1.5× roller diameter — shorter straight edges than other roller types
HOGI CNC Hydraulic 4-Roller Plate Rolling Machine
HOGI develops, designs, manufactures and sells intelligent welding, cutting and rolling equipment for ventilation and environmental protection engineering, fire protection, heating, cooling and ventilation fan industries. The machine achieves automatic, intelligent and parametric production for fan HVAC complete sets, angle steel flange automatic welding, electromechanical pipeline welding, and rolled round production lines.
Fully hydraulic drive with digital control, the whole machine structure is advanced, with superior performance and high efficiency — setting the leading standard in both international and domestic industries. The CNC hydraulic four-roller plate rolling machine features side rollers that swing in a straight line for excellent pre-bending effect, plus hydraulic distribution valves and displacement sensors on the pressure roller and side rollers to ensure perfect synchronicity during operation.
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Technical Advantages of HOGI 4-Roller Rolling Technology
Full Servo Drive Energy Savings: Drive power consumption is only 60% of traditional hydraulic machines. The servo system delivers power on demand, automatically adjusting torque and speed based on plate thickness and diameter requirements.
Permanent Lubrication System: Bearings are factory-filled with premium lubricant and sealed for life — no routine greasing required. This reduces maintenance downtime and extends component service life significantly.
Intelligent Clamping Control: Adjustable clamping pressure prevents plate slippage during rolling. The CNC system allows operators to set precise clamping force based on material thickness and width, ensuring consistent results — productivity 2-3 times higher than 3-roller machines.
Superior Pre-Bending Performance: The straight-line side roller swing design delivers excellent pre-bending effect with minimal straight-edge waste. Can roll cylinders at just 1.5x the roller diameter — tighter than 3-roller machines.
Hydraulic Synchronization Precision: Pressure roller and side rollers are equipped with hydraulic distribution valves and displacement sensors, ensuring perfect synchronicity and eliminating uneven bending or twisting.
Case Studies
Customer Testimonials
“The 4-roller design with hydraulic distribution valves gives us perfect synchronization every time. No more twisted cylinders or uneven edges — our reject rate dropped from 5% to under 0.5%.” — Production Manager, HVAC Components
“The permanent lubrication feature is a game changer. We run two shifts daily and haven’t touched the bearings in 18 months. Maintenance costs are practically zero.” — Plant Engineer, Pressure Vessel Factory
“Rolling cylinders at 1.5x roller diameter was impossible on our old machine. The HOGI 4-roller handles it easily — opens up new product possibilities for small-diameter work.” — Workshop Owner, Metal Fabrication Shop
Frequently Asked Questions
What is the advantage of 4-roller over 3-roller rolling machines?
What materials can this machine process?
How does permanent lubrication work?
What is the minimum cylinder diameter achievable?
Can this machine be integrated into an automated production line?
Why Choose HOGI 4-Roller Rolling Solutions
HOGI has been manufacturing intelligent welding, cutting, and rolling equipment for ventilation, environmental protection, fire protection, heating, cooling, and fan industries for over a decade. Our CNC hydraulic four-roller plate rolling machines deliver fully hydraulic digital control, advanced structural design, and superior performance that sets the international standard.
From thin 0.5mm stainless steel to heavy 6mm carbon steel plates, HOGI 4-roller technology delivers superior roundness, minimal straight-edge waste, and reliable low-maintenance operation. Every machine features permanent lubrication, full servo drive energy savings, and hydraulic synchronization precision.
Whether you need stand-alone rolling equipment or a complete automatic rolling-welding production line for fan housings, pressure vessels, HVAC ducts, or storage tanks, HOGI provides customized solutions backed by comprehensive technical support, training, and spare parts services.
Technical Support & Services
Professional on-site setup and calibration of your 4-roller rolling machine for optimal performance.
Hands-on training for CNC programming, hydraulic parameter setting, and routine maintenance.
Factory-sealed bearings — no maintenance needed. Replacement service available when required.
Complete automated rolling-welding line design, integration, and commissioning services.
Comprehensive warranty coverage on hydraulic system, servo drives, and structural components.
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HOGI CNC Hydraulic 4-Roller Plate Rolling Machine Manufacturer — HOGI specializes in customized automatic rolling equipment, intelligent welding equipment, and complete processing production lines for fan HVAC systems, angle steel flange automatic welding, and electromechanical pipeline welding applications.
Full Servo Drive Model — W12HG Series
| Model | W12HG-1.5×1300mm |
| Upper Roller Diameter | ∅72mm — 42CrMo Forged Parts |
| Lower Roller Diameter | ∅90mm — 42CrMo Forged Parts |
| Side Roller Diameter | ∅80mm — 42CrMo Forged Parts |
| Material | Cold Plate / Stainless Steel |
| Processing Range (Cold Plate) | 0.5~1.5mm |
| Processing Range (Stainless Steel) | 0.5~1.0mm |
| Maximum Rolled Thickness | 1.0mm |
| Maximum Pre-Bent Thickness | 1.0mm |
| Maximum Rolling Width | 1250mm |
| Work Roll Drive Type | Full Servo Drive |
| Sheet Yield Limit | ≤245 MPa |
| Rolling Speed | ≈10 m/min |
| Pre-Bend Remaining Straight Edge | ≤1.0 × Thickness |
| Minimum Roll Diameter (Cold Plate 0.8mm) | ∅85mm |
| Minimum Roll Diameter (Stainless 0.95mm) | ∅100mm |
| Total Power | 4.2 KW |
Hydraulic Drive Heavy-Duty Model — HGW Series
| Model | HGW12NC-6×1500mm |
| Upper Roller Diameter | ∅150mm — 42CrMo Forged Parts |
| Lower Roller Diameter | ∅150mm — 42CrMo Forged Parts |
| Side Roller Diameter | ∅130mm — 42CrMo Forged Parts |
| Material | Stainless Steel / Carbon Steel |
| Processing Range | 0.8~6mm |
| Maximum Rolled Thickness | 6mm |
| Maximum Pre-Bent Thickness | 6mm |
| Maximum Rolling Width | 1500mm |
| Work Roll Drive Type | Hydraulic Motor Drive (Upper Roller) |
| Sheet Yield Limit | ≤245 MPa |
| Rolling Speed | ≈3~6 m/min |
| Pre-Bend Remaining Straight Edge | ≤1.5 × Thickness |
| Minimum Roll Diameter (Full Load) | ∅250mm |
| Total Power | 4 KW |
Technical Principles — 4-Roller Synchronized Rolling
HOGI CNC hydraulic 4-roller plate rolling machines feature a straight-line side roller swing design. The upper roller provides downward pressure, while both side rollers move linearly to pre-bend plate edges before full cylinder rolling. Hydraulic distribution valves and displacement sensors on the pressure roller and both side rollers ensure perfect synchronicity throughout the entire rolling cycle. This eliminates uneven bending, reduces straight-edge waste, and achieves superior roundness compared to 3-roller designs.
Technical Highlights
1. Full Servo Drive Efficiency: Drive power consumption is only 60% of traditional hydraulic machines. The servo system automatically adjusts torque and speed based on plate thickness, delivering power on demand and reducing energy waste.
2. Permanent Lubrication Technology: Bearings are factory-filled with premium lubricant and sealed for life. No routine greasing required — eliminates a major maintenance task and extends bearing service life to 5-10 years.
3. Adjustable Clamping Pressure: The CNC system allows operators to set precise clamping force via servo motor torque control. Prevents plate slippage, accommodates different thicknesses and widths, and delivers productivity 2-3 times higher than 3-roller machines.
4. Minimum Rolling Diameter Capability: The 4-roller design can roll cylinders at just 1.5 times the upper roller diameter. Pre-bend remaining straight edge is significantly smaller than other roller types — as low as 1× thickness vs 2-3× thickness on 3-roller machines.
HOGI CNC Hydraulic 4-Roller Plate Rolling Machine — Live Demonstration
Live Demonstration Highlights
Watch our HOGI CNC hydraulic 4-roller plate rolling machine in action — available in full servo drive (W12HG series) and hydraulic drive heavy-duty (HGW series) configurations. This video showcases the straight-line side roller swing design, synchronized rolling operation, and automatic production line integration for cylinder forming applications.
- Straight-Line Pre-Bending: See how side rollers swing linearly to pre-bend plate edges before rolling — minimal straight-edge waste, excellent pre-bending effect, and superior roundness compared to 3-roller machines.
- Hydraulic Synchronization Technology: Live demonstration of hydraulic distribution valves and displacement sensors on pressure and side rollers — ensuring perfect synchronicity during pre-bending and rolling cycles, eliminating twisting and uneven edges.
- Full Servo Drive Energy Savings: Watch the automatic torque and speed adjustment based on plate thickness. Drive power consumption is only 60% of traditional machines — significant energy savings demonstrated in real-time.
- Small Diameter Rolling Capability: See the machine rolling cylinders at just 1.5× roller diameter — minimum diameters as small as ∅85mm for cold plate, ∅100mm for stainless steel — impossible on 3-roller machines.
Engineered for HVAC, Pressure Vessel & Automated Production Lines
As demonstrated in the video, HOGI 4-roller rolling technology is optimized for HVAC ducting, fan housings, pressure vessels, storage tanks, and complete automatic rolling-welding production lines. The combination of straight-line side roller swing, hydraulic synchronization, and permanent lubrication delivers faster production, lower maintenance, and superior cylinder quality. HOGI provides complete production line integration — from coil feeding to rolling to automatic welding — with comprehensive installation, training, and spare parts support worldwide.