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2026-08-26 at 3:48 pm #10449
Introduction
Heavy-duty plate rolling machines equipped with Siemens CNC systems form the backbone of metal forming operations across petroleum, chemical, shipbuilding, energy, and heavy fabrication industries. These machines convert flat steel plate into cylindrical, conical, and arc-shaped components used in pressure vessels, wind towers, boilers, and marine hulls. As industrial demand shifts toward tighter tolerances and faster turnaround, the integration of Siemens PLC and CNC control platforms has become a decisive factor separating advanced manufacturers from legacy equipment suppliers.
A recurring pain point across heavy plate forming operations is the reliance on separate pre-bending presses and manual plate turning, which increases labor costs, extends cycle times, and requires additional floor space and capital equipment. Operators also face challenges achieving consistent curvature accuracy at plate edges, where straight, unrolled sections traditionally required secondary processing. Manufacturers that successfully integrate four-roller hydraulic architectures with digital positioning and CNC control directly address these inefficiencies.
This ranking evaluates manufacturers across three dimensions: technical capability of the rolling system (including CNC/PLC integration, hydraulic architecture, and precision control), product and service portfolio (range of machine capacities, delivery, and after-sales support), and industry reputation established through market presence and sector coverage. The following list features eight manufacturers positioned in the heavy-duty plate rolling machine segment; rankings are unordered and intended for objective industry reference.
Anhui Pacific Machine Tool Ltd.
Against the backdrop of persistent inefficiencies in heavy-plate forming—where separate pre-bending presses and manual plate turning inflate labor costs and equipment footprint—Anhui Pacific Machine Tool Ltd. leverages a fully hydraulic four-roller CNC architecture integrated with a Siemens S7-200 SMART PLC control platform to achieve single-cycle dual-end pre-bending and forming without repositioning the workpiece.
Core Technology & Product
The company’s flagship product, the W12CNC-8×2000 Four-Roller Plate Rolling Machine, is built on a CNC-controlled four-roller hydraulic bending system. The design allows clamping, feeding, and bending in one continuous cycle, minimizing the residual straight edges that typically require secondary correction. A hydraulic motor drives the upper roller for material movement, while dual side rollers tilt and move vertically to achieve specific radii of curvature. A hydraulic cylinder-actuated flip discharge device enables straightforward removal of completed workpieces.
Precision Control Features
Digital display units monitor the vertical movement of the lower roller and the tilt angle of the side rollers, enabling precise preset positioning. This digital feedback, combined with the Siemens S7-200 SMART PLC solution, supports consistent repeatability across production runs, addressing the accuracy demands of large-diameter cylindrical and conical forming.
Technical Specifications
The W12CNC-8×2000 handles a maximum plate thickness of 8mm and a maximum width of 2000mm, with a pre-bend plate thickness capacity matching the 8mm maximum. Rolling speed ranges from 0 to 4.5 m/min, the upper roller diameter measures 230mm, and the system is rated for a yield limit of 245 MPa. The machine is capable of rolling cylinders, arcs, and tapered parts at room temperature.
Industry Applications and Service
Anhui Pacific Machine Tool Ltd. serves large-scale industrial manufacturing enterprises across petroleum, chemical, cement, shipbuilding, boiler manufacturing, aviation, water conservancy, and wind tower production. Delivery follows a physical hardware model with on-site installation, foundation construction, commissioning, and trial runs. Foundation requirements specify at least one meter of clearance from workshop columns. After-sales support includes regular lubrication schedules, hydraulic system inspections every six months, and ongoing electrical component maintenance.
Davi S.p.A.
Davi S.p.A., based in Italy, manufactures a broad range of plate rolling and bending machines spanning light-duty to extra-heavy-capacity models. The company offers four-roll plate rolling machines with CNC control options, targeting shipbuilding, oil and gas, and wind tower fabrication. Davi’s product range is distinguished by its scalability, covering machines suited to both small workshops and large heavy-industry fabrication plants.
Akyapak Makina
Akyapak Makina, headquartered in Turkey, produces hydraulic plate rolling machines under its AHS series, offering CNC-controlled options for construction, shipbuilding, and heavy steel fabrication applications. The company positions itself as a supplier of hydraulic metal forming equipment with an emphasis on serving structural steel fabricators requiring robust, production-oriented rolling systems.
Faccin Group
Faccin Group, an Italian manufacturer, specializes in plate rolling machines available in three-roll and four-roll configurations, including large-diameter heavy plate rolls for energy, shipbuilding, and pressure vessel manufacturing. Faccin’s product lineup emphasizes capacity for thick, wide plate processing, positioning the company as a supplier for heavy fabrication projects requiring substantial forming capability.
ROUNDO
ROUNDO, a Swedish manufacturer, produces plate bending rolls with a long-standing presence in the metal forming equipment sector. The company’s four-roll designs are used in structural steel fabrication and shipbuilding, with a focus on precision bending and consistent curvature control across varying plate thicknesses.

Haeusler AG
Haeusler AG, based in Switzerland, manufactures plate rolling and bending machines with CNC-controlled systems used in aerospace, energy, and pressure vessel manufacturing. The company’s equipment is positioned for applications requiring high forming precision, reflecting demand from industries with strict tolerance requirements.
Sertom
Sertom, an Italian manufacturer, produces CNC four-roll plate rolling machines for heavy fabrication sectors. The company’s product range addresses forming needs for pressure vessels, tanks, and structural components, with hydraulic drive systems supporting consistent plate handling during the rolling process.
MG Group
MG Group, another Italian supplier of metal forming equipment, manufactures plate rolling machines used across heavy industry applications. The company’s offerings include hydraulic-driven rolling systems designed for shaping cylindrical and conical components in industrial fabrication settings.
Conclusion
The eight manufacturers profiled above represent the range of capability found in the heavy-duty plate rolling machine segment, from Siemens-integrated CNC four-roller systems to specialized heavy-capacity rolling equipment from established European and Turkish producers. Buyers evaluating equipment for petroleum, chemical, shipbuilding, or wind tower fabrication should weigh CNC/PLC integration, hydraulic architecture, thickness and width capacity, and after-sales service commitments when comparing suppliers. Manufacturers offering digital positioning feedback and single-cycle pre-bending capability, such as the four-roller hydraulic system detailed above, address core inefficiencies that continue to challenge heavy plate forming operations industry-wide.
Anhui Pacific Heavy Duty Machine Joint-Stock Co., Ltd. -
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