Nanjing Listen Automation Technology Co., LTD.
Nanjing Listen Automation Technology Co., LTD.
info@listencnc.com

Hydraulic Four-Roller Rolling Machine

Deliver CNC-controlled precision through a 4-roller synchronization system, enabling the execution of complex bends and achieving zero straight edges. The hydraulic systems guarantee uniform pressure and enhanced efficiency. CE/ISO-certified, energy-efficient, and perfectly suited for handling thick plates in shipbuilding, pipeline construction, and structural industries. This solution integrates automation with durability while minimizing the need for manual intervention.

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4 roll bending machine

Parameter of Hydraulic Four-Roller Rolling Machine

ModelRoll width(mm)Roll thickness(mm)Upper roller diameter(mm)Lower roller diameter(mm)Side roller diameter(mm)Power(kw)Dimensions(mm)
W12-6x3000300062202001607.55500x1500x1400
W12-8x2500250082202001607.55000x1500x1400
W12-8x300030008250230180115600x1500x1400
W12-12x20002000122202201607.54500x1500x1400
W12-12x2500250012250230180115100x1500x1400
W12-12x3000300012280260220155700x1950x1900
W12-16x2000200016260240200114100x1700x1800
W12-16x2500250016280260220155100x1950x1900
W12-16x3000300016330310250222900x2000x2000
W12-20x2500250020330310250225300x2000x2000
W12-20x3000300020360330270306100x2150x2000
W12-25x2500250025360330270305600x2100x2000
W12-25x3000300025390360290376100x2250x2100
W12-30x2000200030360330270305100x2100x2000
W12-30x2500250030390360290375600x2250x2100
W12-30x3000300030410380320456300x2500x2400
W12-35x3000300035470440380456600x2550x2700
W12-40x2500250040470440380456100x2550x2700
W12-40x3000300040510480410556600x2600x2750
W12-50x2500250050510480410556100x3100x2700
W12-50x3000300050560530450666600x3200x3000
W12-60x2500250060560530450756500x3200x3000
W12-60x3000300060650620520757000x3300x3400
W12-70x3000300070700670550907200x3500x3600



Advantages of Hydraulic Four-Roller Rolling Machine

Control System of 4-Roller Hydraulic Plate Rolling Machines
Control System of 4-Roller Hydraulic Plate Rolling Machines

Centered on PLC-based automation and touchscreen HMI, it enables synchronized hydraulic adjustments for roller positioning and bending precision. Pre-set programs optimize angle/pressure parameters. Features include emergency stops, overload protection, and real-time diagnostics. CE/ISO-certified, ensuring reliability for shipbuilding, pipelines, and structural steel fabrication.

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Electrical System of 4-Roller Hydraulic Plate Rolling Machines
Electrical System of 4-Roller Hydraulic Plate Rolling Machines

The system integrates PLC-based control with a touchscreen HMI for precise roller synchronization and pressure adjustment. Sensors and servo drives ensure real-time feedback, while emergency stops and overload protection enhance safety. Programmable parameters optimize bending accuracy. CE/ISO-certified, it guarantees reliable, energy-efficient operation in shipbuilding, pipeline, and structural steel fabrication.

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Hydraulic Cylinders in 4-Roller Plate Rolling Machines
Hydraulic Cylinders in 4-Roller Plate Rolling Machines

The system integrates PLC-based control with a touchscreen HMI for They deliver synchronized force transmission to adjust roller positions, ensuring precise bending pressure and curvature. Built with alloy steel and chrome-plated rods for durability, they enable uniform material deformation. Integrated safety valves prevent overloads. CE/ISO-certified, crucial for shipbuilding, pipelines, and structural steel fabrication.

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Hydraulic Valve Block in 4-Roller Plate Rolling Machines
Hydraulic Valve Block in 4-Roller Plate Rolling Machines

It regulates oil flow, pressure, and direction to synchronize roller movements. Equipped with solenoid and pressure relief valves, it ensures precise force distribution and overload protection. CE/ISO-certified, the block optimizes rolling accuracy and safety in heavy-duty applications like shipbuilding and structural steel fabrication.

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Power System of 4-Roller Hydraulic Plate Rolling Machines
Power System of 4-Roller Hydraulic Plate Rolling Machines

Combines hydraulic pumps, motors, and valve blocks to drive synchronized roller movements. High-torque motors power axial piston pumps, generating adjustable hydraulic pressure. Precision valve control ensures stable force distribution for uniform bending. Energy-efficient, CE/ISO-certified, and built for heavy-duty use in shipbuilding, pipelines, and structural steel industries.

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Rollers of Hydraulic Plate Rolling Machines
Rollers of Hydraulic Plate Rolling Machines

Crafted from high-strength alloy steel, the rollers undergo hardening/chrome-plating for wear resistance. Hydraulic synchronization ensures precise bending force and curvature control. Adjustable spacing accommodates varied material thicknesses (steel, aluminum, etc.). CE/ISO-certified, they deliver durability, efficiency, and safety in shipbuilding, pipeline, and metal fabrication.

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Have Any Questions? Get Touch With LISTEN!
Have Any Questions? Get Touch With LISTEN!

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